I want to compliment you on your clear voice, enunciation, and proper diction. Easy to understand. You don't talk faster to cram more content into a smaller time frame. Thank you. I have been listening to KZbin videos since its inception and probably listen to 20 or more a day. I say you are the best.
@johngalt973 жыл бұрын
What he said, but less of your face, please.
@phills67323 жыл бұрын
The audio is so clean it doesn't feel like it's coming from the video that's on the screen
@garyfrancis61933 жыл бұрын
Enunciation.
@sovereignman69513 жыл бұрын
Shame no effort was made to pronounce Oerlikon correctly.
@1950dcs3 жыл бұрын
Except he doesn’t know how to pronounce Oerlikon…
@ImplyDods2 жыл бұрын
Sometimes old engineering answers are just amazingly effective. The Archimedes screw is a great example. A very short version is still used to propel most of our watercraft ie the propeller.
@adriangabrielgramada10162 жыл бұрын
H.S.U.V = hyper steam universal vehicle... Same good old steam + vacuum insulated carbon fibre tanks + electromagnetic valves + heat from sunlight & IR lamps = the absolute best heat to mechanical direct and super efficient energy conversion with ... ZERO BATTERIES, COMPUTER CHIPS / AI + ZERO COLLISIONS / ACCIDENTS / INJURIES OR DEATHS (by using radio waves cushioning)
@nazeerahmed24342 жыл бұрын
Really Interesting..
@yelectric18932 жыл бұрын
Or grain in a lot of places
@johnkufeldt35642 жыл бұрын
used to move grain on every farm in Canada
@Einstein20202 Жыл бұрын
I would like to add that the Archimedes screws are the reseason that the Netherlands is not a sea.
@MervynPartin3 жыл бұрын
In the UK, the Parry People Mover is a flywheel driven light railbus operating the Stourbridge Town branch rail line, and is in regular reliable use, so the transport technology is not dead.
@brianfretwell38863 жыл бұрын
I did ask when using it a few years ago and was told it had a gas engine on it and the flywheel wasn't brought to speed by electricity. Obviously it needed more power than the decent to the town level put back into the flywheel.
@MervynPartin3 жыл бұрын
@@brianfretwell3886 That is correct, but the flywheel does recover some of the energy so at least, there is a fuel saving. Parry have had electrically powered flywheels, but I am not sure if there are any in use.
@dr_dr2 жыл бұрын
From memory the engine in the WMT Class 139 Parry people mover is a small internal combustion engine from a Ford Focus (?) so the emissions are far lower than those from a traditional diesel DMU, and if you consider if all the passengers had taken the same journey in their own cars with similar engines, then the potential overall reduction in emissions is significant.
@brianfretwell38862 жыл бұрын
@@dr_dr I was told (when I asked after a trip on it) it was a "Gas engine" as it is in the UK I would assume it was LPG or propane not the US definition of gas (liquid petrol).
@dr_dr2 жыл бұрын
@@brianfretwell3886 I think you are correct, the Class 139 uses a Ford 2.0l DSG423 86hp engine. This engine is designed for using LPG or propane, but some references (Wikipedia) state it to be using diesel to confuse things.
@trulyinfamous3 жыл бұрын
I feel like flywheels are like the mechanical equivalents to supercapacitors. They are better for transport though, because they are cheaper and more easily scalable. That gyrobus was an awesome thing and I wish we could use more mechanical energy storage.
@MajorWolfer3 жыл бұрын
Z
@FreeSatTracker2 жыл бұрын
The drawbacks have ben mentioned. Gyroscopes resist changes in momentum. It becomes hard to steer such vehicles. Also steering them will lose energy. This tech is best suited for non movable energy storage.
@xrayban22 жыл бұрын
I recently visited a datacenter which had a flywheel as emergency battery, pretty impressive.
@DoctorMangler2 жыл бұрын
No they aren't super capacitors don't care if you make a left turn or decide to go down a hill.
@pdr_27032 жыл бұрын
@@DoctorMangler what part of "mechanical equivalents" you didn't get?
@marklewus54683 жыл бұрын
what I really like about this channel is that you explain things simply. But you also include the math for science-y types. Great job on this one.
@northwestrockgem97453 жыл бұрын
That's right I completely agree with what you just stated.
@jamesporter56302 жыл бұрын
I never would have imagined “pimp my ride”, Keith Richards and fly wheel energy all in the same video. Bravo.
@TwoBitDaVinci2 жыл бұрын
Haha! It wasn’t easy :)
@markwallin2 жыл бұрын
Yes I caught that too. Yes Little Boys and Girls Keith Richards really is that old and still Lives. LOL Should he be told?
@yrunaked42 жыл бұрын
Keith Richards will still be here long after the flywheel has faded into history 🤣🤣
@SIMKYUSHA2 жыл бұрын
I grew up in sf in the 70s and 80s riding our electric gyro busses. Dad explained the tech but I had never seen it until now!
@johnkufeldt35642 жыл бұрын
those buses have constant contact with overhead lines, used to pull them off if a bus driver cut me off as a bike messenger in my youth.
@greenleafyman10282 жыл бұрын
Flywheel is good as a backup battery of a Trolleybus/Pantograph Truck in case that it needs to go off-road or off in the overhead wire for some situations for a short period of time. If the flywheel is not in use, it will charge using the overhead wire while the trolleybus is running.
@lcarliner3 жыл бұрын
The gyroscopic effect could be canceled out by using two counter-rotating flywheel devices side by side.
@markmuir73383 жыл бұрын
But you significantly reduce storage capacity by doing that. 2*(r/2)^2 < r^2
@lcarliner3 жыл бұрын
See revised post above.
@riscnx3 жыл бұрын
@@lcarliner I think even better should be, if we let the flywheel's frame/container move freely, keeping flywheel in constant orientation.
@lcarliner3 жыл бұрын
Both methods should be tested to see if different gimbal mountings would as satisfactory as counter rotating pairs.
@williamrbuchanan41533 жыл бұрын
Getting the best from flywheel is just bleeding off some of its energy.a static site away from population or other industry. Being slap fed outer by a power top up. . Like a top and whip of childhood days. On a gigantic scale. Reverse of braking, power added instead of taken. Huge cost to do it but it will last forever with engineering technology of today’s control systems. Get money off the scene and do it, space exploration, war, cost consideration is not a feature. Just do it. What’s money anyway, just a carrot to humans and greed.
@archivushka3 жыл бұрын
I'm so glad to see some content about this exotic and forgotten piece of engineering
@mikecharette92583 жыл бұрын
I have always been interested in this concept, having created in my head twenty years ago and wondered why no one had done it before---- then I found out that it had been created long ago. Very Fascinating story.
@eskimocommotion49652 жыл бұрын
I did too! I still think it can be used safely but I think I have to do it and be sole benefitter.
@pan65933 жыл бұрын
A little comment worth is that Zurich replaced the gyro-busses with wired electric ones. Zurich has a big history/legacy in electric transport, still making it extremely carbon/emission reduced.
@Jim-si7wz2 жыл бұрын
yeh I find it a shame when countries try their best to save the planet, and others just dont care, it is all about money.
@robinkelley64272 жыл бұрын
Yess that coal powered grid is quite green
@louisrafaelcom2 жыл бұрын
@@robinkelley6427 There are no coal powerplants in Switzerland.
@lestermarshall65013 жыл бұрын
This show reminded me of when I was in the navy going to Class A damage control school on Treasure Island in San Francisco Bay. One weekend I was walking down the street where the cable cars ran and found the power house for the cable cars. Walked into the building and the engineer who was running it gave me a tour. It had a huge flywheel that powered the cable and it was very quiet. I understand that they shut the cable cars down later but then brought them back at a later time. If you are ever in San Francisco and have a change, do that tour.
@MrMechanicandy3 жыл бұрын
Well if they had charging Staunton for buses and cars that would make grid operable
@653mld3 жыл бұрын
&in moi
@tenlittleindians3 жыл бұрын
I'd love to see a flywheel storage system designed for a typical home. Run off solar during the daylight hours and off the flywheel for nighttime energy requirements.
@bugabookatzenjammer6613 жыл бұрын
Nah, what youd need is something like solar harvesting energy to power capacitors to feed a repeating accelerative impulse at regular enough periods to maintain the inertia
@tenlittleindians3 жыл бұрын
@@bugabookatzenjammer661 A capacitor is just a battery with a short memory and has all the problems a battery has. The lifespan of a stationary flywheel far exceeds batteries or capacitors. Especially in parts of the world that have below freezing temperatures for many months out of the year. Selling excess energy to the grid and buying it back when needed doesn't work because they pay little when buying from you and charge much when you buy your energy back.
@tenlittleindians3 жыл бұрын
@Shawn Stoudt Batteries and flywheels are both impractical in locations such as Alaska. Geothermal works in Iceland; too bad we don't all have access to such an abundance of free energy.
@duketogo26163 жыл бұрын
@@tenlittleindians Alaska is very geologically active.
@y2kmadd3 жыл бұрын
It's good for short outages only. More of a voltage regulator.
@dustygreene33353 жыл бұрын
Fun episode, flywheel are an interesting piece of historic tech being brought back to life.
@mikeznel60483 жыл бұрын
Not being brought back to life... They're an everyday part of your existence... You just know where or how they're being used but they're everywhere around us...
@dustygreene33353 жыл бұрын
@@mikeznel6048 examples?
@porcorosso43303 жыл бұрын
@@dustygreene3335 Many power plants use fly wheels to store backup power. Just in case their machines broke down so they have a chance to gracefully reduce power or maybe for sudden power demand. I think Tom Scott did a video in a flywheel chamber not too long ago.
@MrRoadWorrier3 жыл бұрын
@@dustygreene3335 Every vehicle with an internal combustion engine.
@powertothesheeple54222 жыл бұрын
Bonus Fact: When KERS was allowed in F1 Williams adapted flywheel tech for their racecars back in 2009. Not sure if they are still used today but it worked.
@daveedson86073 жыл бұрын
Every small ICE has a flywheel. Its mass is the magnets needed to power the magneto, thus solving 2 issues, ignition and smoothing the engine. Larger ICE's with manual transmissions all have flywheels to store the surge of energy required while engaging the clutch. There is also a lightweight flywheel on automatic transmission ICE's. Industrial presses utilize flywheels to store the energy of a small electric motor until it is sufficient to stamp the part, so a clutch drives the ram down and back up where the motor brings the flywheel back up to speed for the next cycle. The old hit and miss ICE is the best illustration of a flywheel that I can think of.
@bobpeters613 жыл бұрын
When I was in Seattle several years ago, I was impressed by the fact that they had electric busses powered by overhead cables through poles attached to the busses and hooked over the cables. It wasn't unknown for a bus to fail to manipulate a turn in just the right way, forcing the driver to get out and re-hook a power pole on the cable.
@r0bhumm3 жыл бұрын
In the UK those were called trolleybuses and were quite a common site in various places it was my understanding that the pick up didn’t actually hook over the cable but pushed up onto them there was a trolley bus terminal I visited in Hastings I think it was after that all shutdown that was being converted to a museum.
@RandyTWester3 жыл бұрын
I vaguely recall riding on a trolleybus in California in the mid 1970's, and the driver had to go and rehook her power lines in an intersection. A flywheel or battery with enough storage to go a half block would have helped a lot.
@RandyTWester3 жыл бұрын
There are trolleybuses operating in Vancouver, BC every day.
@juliogonzo27183 жыл бұрын
@@RandyTWester Toronto had them probably into the early 90s but not anymore. Now they just have streetcars only using overhead wires
@GalenlevyPhoto2 жыл бұрын
Ive witnessed a trolley bus one of the power pole went into the wrong power line and the bus stalled. He had to come out and re-hook to the right ones. Also other event, saw a articulated trolley bus power pole ripped off the bus and was hanging on the power line. ouch, man.
@LQhristian3 жыл бұрын
The modern replacement would be the supercapacitor! Almost instant charging and 'slow' discharge!!
@TwoBitDaVinci3 жыл бұрын
very true!
@ingmarmaul44643 жыл бұрын
But you would need much more space to store the same amount of energy, Porsche raced a flywheel powered hybrid 911 while the 24hrs at the Nürburgring in 2010. And they could stay out one more round instead of the regular 911. My opinion is that only the bad pollution rules stopped this technic to make it into production cars.
@punker4Real3 жыл бұрын
@@ingmarmaul4464 hybrid cars are more practical if they really want to change things WE NEED A pre fab DROP IN kit for existing cars all ready on the road esp for older suvs that are 2WD and (such that support 4WD i.e chevy tahoe, subrban pickups ) these are the ones that waste the most fuel .... as they only get about 10-14mpg city/hwy I have a chevy tahoe hybrid suv it gets 23 to 32mpg(depending on the route i take...) on the highway with a v8 engine 6.0L the city is 18MPG.... considering the normal 6.0L engine only gets 9MPG and 13mpg on the highway most cars all ready have electronic throttles since like year 2004..... also battery replacement for existing hybrids need subsidized.... as building new cars just will cause even more waste product and more pollution....
@ingmarmaul44643 жыл бұрын
@@punker4Real yes you are right, tiny evolutions makes the world better. Question is how you implement that in the engine management especially with manual gearboxes. We do have a lot of them here over in the European country’s.
@roberthunker89573 жыл бұрын
@@ingmarmaul4464 True. Although it was engineered by Williams F1 / Advanced engineering in 2008 and used in season 2009. End of 2014 Porsche bought he whole Kers department from Williams.
@fredashay3 жыл бұрын
This might work better on trains or trams that run on smooth tracks with wide curves rather than vehicles that have to drive over rough surfaces and sharp corners. Especially with regenerative braking and friction-less magnetic bearings.
@WesternOhioInterurbanHistory2 жыл бұрын
*overhead catanary* Trains are already limited to their tracks, so you might as well use overhead wire.
@Lestibournes2 жыл бұрын
@@WesternOhioInterurbanHistory or a third rail
@WesternOhioInterurbanHistory2 жыл бұрын
@@Lestibournes those are very unpopular as when installed along longer distance lines. People would touch them and die.
@MilwaukeeF40C2 жыл бұрын
@@WesternOhioInterurbanHistory Overhead or third rail are expensive and I know all about 600 DC dropping significantly over 1.5 miles from the substation. Energy storage would let short sections of power collection be used either at speed or station stops. The high resistance electricity return path (usually through the running rails and ground) becomes less of an issue if electricity doesn't need to be returned most of the time.
@artmatthew12 жыл бұрын
@@WesternOhioInterurbanHistory expensive, I like that flywheels effectively toss the locamotive from one station to the next.
@thorbjrnhellehaven57663 жыл бұрын
Flywheel for grid sounds great! Having multiple wheels to handle different use. Some wheels running at high speed to take ober, but batteries do a good job at this too. Stopped or slow wheel to accelerate to store overproduction: + Sudden increase from wind or solar, to make time to adapt, then slowly discharge to grid and/or battery. + Sudden drop of demand, from accidental line failure, or planned or expected events
@RenoSaxGuy2 жыл бұрын
I remember seeing a Popular Science article on this technology decades ago. The one disadvantage of this is if the flywheel has a sudden failure. The article touted that the flywheels were specially designed to disintegrate into a fine harmless powder in case of a failure. That is like saying a stick of dynamite accidentally discharged gets converted to a harmless gas. Whatever energy is stored as mechanical energy will explode with the equivalent amount of energy of the same energy released on an explosive like TNT.
@JeffDeWitt2 жыл бұрын
True enough, but as I recall (and I think I read that article too), the fear was the flywheel exploding and big chunks of material penetrating the housing and hurting people. If the flywheel disintegrated into powder the same amount of energy would be released, but not of the individual bits of powder would have enough energy to penetrate the casing. Kind of like the difference between being bashed with a 2 lb pillow vs a 2 lb hammer.
@finnk12892 жыл бұрын
I'd rather have the odd flywheel failure every 2 years then huge tracts of land ruined by lithium production and an ensuing recycling nightmare here when our batteries wear down.
@RenoSaxGuy2 жыл бұрын
@@finnk1289 I couldn't agree more on lithium batteries. I know nothing of the manufacturing of lithium batteries, the impact on the environment, nor the impact of recycling. I know that improperly disposed lithium is extremely bad on the environment. However, I don't think flywheels are a safe means of storing large amounts of energy. I will make a little back of the envelope calculation for you. Let's say you have the energy equivalent of one quart of gasoline stored in a flywheel. That could take a bus maybe 5 or 10 miles. However, if the flywheel has just been "charged" with the amount of energy in a quart of gasoline and the flywheel fails, the equivalent energy of 30 sticks of dynamite has just been released. If there isn't sufficient shielding to protect the rest of the bus, passengers, pedestrians, and other vehicular traffic, there could be a real mess. I can see flywheels as an effective way to provide a small amount of energy to be able to move a bus or trolley a brief distance to get from an electrical source A to source B, but not for a great distance.
@katiegreene39603 жыл бұрын
I like the grid application for flywheels.
@DJJAW113 жыл бұрын
Nice pic Kate 🤩
@ivanangelov88257 күн бұрын
That one charging station application is really good. It reduces greatly the grid pressure and can be real saver if new battery tech comes by, enabling for much faster charging.
@rickrys27293 жыл бұрын
Amber kinetics makes flywheel storage for grids. The MIT plasma fusion lab reactor used a 75 ton Alcator C-Mod flywheel that transferred its energy in about 2 seconds to just a few particles. Formula 1 used the KERS system flywheel. Great for high power, and many charge cycles in principle, but storing lots of energy is pricy. Also rotating machinery = maintenance. Amber kinetics typically buries their vertical flywheels in case they fly apart.
@mattos42033 жыл бұрын
Williams F1 designed and made the flywheel KERS system, but they never raced with it. They adopted battery based tech instead like all F1 teams utilise now. They did licence/sell the technology though, and it has been used to good success in other racing categories.
@kallebengtzon52402 жыл бұрын
@@mattos4203 it is also used in busses and other veichles that do a lot of stopp and starts.
@kaptnwelpe53223 жыл бұрын
Flywheels were used around 2010 in endurance racing (LeMans etc.) by Porsche etc.
@denvera1g13 жыл бұрын
Little side note, when a flywheel is used to adjust the angle of a space craft by either adding energy, or taking it away, they're referred to as reaction wheel, usually having 3 of these wheels on 3 different axis
@merlinious013 жыл бұрын
It is likely usually more than 3, as that has no refundancy. More likely 6
@robertwoodliff25363 жыл бұрын
Three or six the effects the same.
@denvera1g13 жыл бұрын
@@robertwoodliff2536 Merlin is right, every system for management/control should have at least 1 redundancy, IIRC the space shuttle had something like 7 computers to combat cosmic ray bit flips in RAM/cache, with a 'voting' system where whichever 'answer' had the highest number of votes won
@robertwoodliff25363 жыл бұрын
@@denvera1g1...thank you, 3 or 6 the effect is the same, the longevity may be improved, depending on build quality/design. Always think the Shuttle seals put these in context. But then,'we' built the De Havilland Comet.
@merlinious013 жыл бұрын
@@robertwoodliff2536 True, but they are such a vital component that you'd want redundancy on your 100 million dollar satellite
@louisgiokas22062 жыл бұрын
My father worked at an Army weapons lab. When I was a teenager and taking physics and caliculus in high school. He set me a problem. They had a flywheel. The dimension were set, as was the speed of rotation. The only thing they could vary was the density of the material. So he had me calculate the density. Of course, it was all classified, so he couldn't tell me anything about the application, but I firmly believe it was a power generation system used in the field. This was about five decades ago.
@alstud13 жыл бұрын
Your Keith Richards reference made me laugh out loud 😅
@Tron-Jockey3 жыл бұрын
I think Kieth died several years ago and they simply had him stuffed and now set him up on stage where ever the Stones are playing. Kieth never was very animated so they get away with him just standing there. Idon't think anyone has noticed yet :-)
@differous013 жыл бұрын
It's like mantras on a Tibetan prayer wheel; spinning the vinyl keeps the Stones Rolling.
@fvrrljr3 жыл бұрын
@@Tron-Jockey LOL
@fvrrljr3 жыл бұрын
HAHAHAHAHAHAHAHAHAHAHA i was going to say something similar I'm behind you 100%
@bobhoven39592 жыл бұрын
Great , thank you, Claire 👋
@octane82673 жыл бұрын
I remember these busses in Switzerland back in the 1970s
@domenicputti42283 жыл бұрын
The only gyroscopic effect present with this flywheel orientation is one which keeps the bus from flipping over, and that is a good thing.
@ricnyc27593 жыл бұрын
Flywheel, you wont be forgotten!
@nathangagnon7012 жыл бұрын
Wow that’s dangerous. A flywheel with that much mass spinning at 3000 rpms. If one broke free in an accident there would be NO stopping it. Imagine that happening near a crowd.
@codeman99-dev3 жыл бұрын
I think the most amazing use of fly wheels were only pictured in this video: Large scale manufacturing. In particular, in combination with a long drive shaft and many slack belts to drive different machines. Hardness one river or windmill or a huge single-cylinder engine to power the majority of a factory.
@timsmith51332 жыл бұрын
It never pays to reinvent the wheel. Thanks for showcasing these electric busses. I rode on the electric busses in San Francisco with the double telescoping wands that get their power from the overhead lines. I like the street cars that run down the middle of Market Street, the cable cars that run up and over various hills , and the driverless BART subway. The newest technology among those I listed is from 45 years ago.
@maozedong5493 жыл бұрын
this type of device was thought to be used in formula 1 by the Williams team.
@NicksStuff3 жыл бұрын
Williams developed that for Formula 1. They didn't really use it because the regulation changed but they licensed it to Porsche who used it on a 911 in endurance racing
@BriefNerdOriginal3 жыл бұрын
Now I can imagine a better steampunk future :-)
@KanishQQuotes3 жыл бұрын
Capabuses are an amazing option for intracity traffic they use capacitors at stops to charge the capacitors for short distances.
@TwoBitDaVinci3 жыл бұрын
Probably warrants a video!
@Krullmatic3 жыл бұрын
Awesome! You showed the RTA from Dayton, OH! That tripped me out when I seen that big green turd! They got rid of all the trolleys, and now have a fleet of silver and black hybrids, but they've still got the green turds as well. Cheers from Dayton!
@PlainlyDifficult3 жыл бұрын
Great video!!
@BennysBenz3 жыл бұрын
Love your videos! 👍
@NoName55892 жыл бұрын
When two legends combine Thank you both for your lovely videos
@nyakwarObat2 жыл бұрын
Well it's all just talk though. All these so called innovations that could change the world and the best we can do is some guy on you tube monetising on it while the establishment is busy yet with another climate and environment saving palaver full of chat and little to no action
@bassreflex27192 жыл бұрын
Plainly Difficult, love your videos bro ❤️, there awesome keep up the amazing work bro xx🔥👍🏻❤️
@tvdinner3252 жыл бұрын
So well presented. Thank you.
@mikecr49163 жыл бұрын
It merely accepts more energy losses from additional conversions. Oil was still burned to add the energy to the flywheel, as it is today to charge electric cars.
@nasseemmuttur7782 жыл бұрын
Exactly. And it's cheaper and more practical to either run the busses wired or on batteries.
@NilsKullberg3 жыл бұрын
Thanks for the very interesting video! - Audi Le Mans 24 hours racing cars used flywheel(s) as "supercaps" for their hybrid KERS system in year 2012. I think they were quite successful also.
@stevecadman1372 жыл бұрын
I would imagine that rough roads and rapid changes of direction would have a significant impact on the flywheel.
@shawnr7712 жыл бұрын
Yes the roads would have to be pretty smooth. Rule out Dallas Texas. More potholes than people. Stationary grid storage is a great idea.
@MilwaukeeF40C2 жыл бұрын
Probably less of an issue with modern technology.
@RUDEBOYY2K802 жыл бұрын
The Keith Richards gag was very funny 😆
@jongabrielsen38683 жыл бұрын
Don't forget about using water as a storage device, pumping water back up into hill to upstream of hydro electric dams.
@mikeznel60483 жыл бұрын
You still need more energy put into it to move the water than you can get back out of it. We can not achieve 100% or greater efficiency in our world. Its physically impossible.
@garypeatling79273 жыл бұрын
Or you can use pressure to compress a spring was used to power tower bridge
@tin20013 жыл бұрын
Recycled hydro is only suitable Inna very small set of geographic locations where large dams can be built at both a low and high place. It can be done on a smaller scale using large water tanks, but you'd still need an excessive land area to achieve it... Such as a farm with hilly areas that go unused.
@glenkeating73332 жыл бұрын
What I think your referring to is that all the surplus energy during the day is used to pump the water uphill to a reservoir and then the used to power a generator when the wind is not blowing and solar is not available.
@nigelrogers95192 жыл бұрын
As a bus driver I can tell you that modern Gyro buses do exist. Now I'm not saying gyro only, but in a hybrid configuration with a diesel engine and using regenerative braking as its power source. Commercially available and built and operational here in Scotland.
@Arek_R.3 жыл бұрын
All I need is the bus to always turn up, and turn up on time - be reliable. A lot of countries/cities have private business owned public transportation system that is focused on maximum profit but at the cost of most people hating it, it being crap in every way and anyone who can affort will stop using it and get a own car.
@urkururear3 жыл бұрын
The fact it is public or private owned is not important, public services are not inherently better.
@anivicuno94733 жыл бұрын
@@urkururear In this case, public is better in that public opetions are not required to turn an accounting profit. Public transit is usually implemented to solve societal negative externalities. For societies, negative externalities are a problem. For private enterprises, they're not. Therefore, if a public system operated at an accounting loss, they can still be overall "profitable" if the negative externalities that they solve are factored in. This can't be done with a private enterprise, since those live and die by accounting profits.
@ulliwm3 жыл бұрын
… as the Townmayor of Bogota put it once: →A modern society is not determined by even the poorest own a car but by even the richest use public transport.←
@urkururear3 жыл бұрын
@@anivicuno9473 The idea of using the people's money in something that couldn't be self sustaining is what generates great problems in the economy. If a private company gives a bad service it will fail, but then another company can take place, with public services they have monopoly, so you can't compete and you are chained to the service they give you, even when it could be bad.
@Lestibournes2 жыл бұрын
I live in a country where public transportation is tightly controlled by the government and I think the biggest companies are government-owned and it's crap.
@thierrypauwels2 жыл бұрын
I am from Gent, the city in Belgium that tested the gyrobus (though I am just not old enough to have known them). I was told that the main problem with the gyrobus is that when it was caught in a traffic jam, it could not get to the next loading station before the flywheel stopped rotating. Then a normal bus had to be brought to tow the gyrobus to the next loading station.
@MilwaukeeF40C2 жыл бұрын
Just throw an underpowered engine on so the bus can get slowly to the charging point.
@jameshughes30143 жыл бұрын
That was fascinating. Now I want a desktop magnetic bearing flywheel powered lamp :D Imagine a modern company building a device that lasts for 200 years like that james watt steam engine. If it were built today it would be intentionally made with parts that wear out, plus a proprietary lubricant it wouldn't work without, that you have to replace each six months and ends up costing 50 bucks for a gram of the stuff in a wasteful plastic tube.
@gecsus3 жыл бұрын
If it were an Apple product, you nailed it.
@jameshughes30142 жыл бұрын
@@keithschneidly3922 right.. And when they say lifetime, they mean until you're supposed to just buy a new car, why make it serviceable? Lifetime of the car, not the owner..I think they secretly mean
@julianagil24272 жыл бұрын
"The flywheel is sort of like Keith Richards" 🤣😂🤣😂 that made my day
@GoodBalak2 жыл бұрын
Maybe a flywheel can be used to get quick charge, and then it can discharge slowly into the EV battery. This can easily be accommodated in the front part of an EV.
@downix2 жыл бұрын
*blink* *blink* That's brilliant
@redjack26292 жыл бұрын
The issue is that, if we go to EV production on the scale Musk wants, estimating that we have decades, plural, before running out of lithium is being generous. No batteries at all is the best option, thinking long-term. I would like rechargeable batteries to still exist when I die.
@downix2 жыл бұрын
@@redjack2629 - you are off by an order of magnitude. If we don't recycle any of it, replacing all vehicles with Lithium Ion systems, we would run out of Lithium in 2397.
@MilwaukeeF40C2 жыл бұрын
@@downix Lithium will be economically scarce long before that, the mining and refining will also be horrible.
@downix2 жыл бұрын
@@MilwaukeeF40C Hence recycling.
@mauriciomp5712 жыл бұрын
"It´s like Keith Richard... it´s still here long before what we thought it would be" HAHAHAHA That alone is worth the video!! LOOLL
@TwoBitDaVinci2 жыл бұрын
🙏
@odbo_One3 жыл бұрын
The ultimate fly wheel on earth is earth itself.
@jamesmccollom72462 жыл бұрын
What if I've got a gyrosphere motor sketching... Who might be a good person to partner with, that could bring my sketching to life???
@GiesbertNijhuis3 жыл бұрын
Sweet animations! Well done.
@kolbjornnystrand2 жыл бұрын
I think Porsche used a flywheel in some models to be added energy into while breaking and when flooring it, this would add the stored energy to the drivetrain.
@toddwmac3 жыл бұрын
Great stuff as always. Love you branded flywheel and wish you had been my physics teacher a long time ago. Thanks!
@TwoBitDaVinci3 жыл бұрын
Hah I’m so honored to hear that!
@starwarsnerd952 жыл бұрын
Its all fun and games until the bus gets into an accident and the flywheel goes rogue
@SH852 жыл бұрын
An authentic gyrobus can still be viewed in the museum of public transport in Antwerp (Vlaams Tram- en Autobusmuseum), Belgium. At 6'55" you can see the gyrobus in the city of Antwerp (Belgian license plate). And at 9'00" you can see the actuel bus of the museum.
@pcno28322 жыл бұрын
Chrysler tried something similar on an experimental car about 20 years ago, but they made the flywheels out of plastic, reinforced with carbon fiber or Kevlar or something along those lines. They had embedded magnets so they effectively levitated within their chambers and didn't need mechanical bearings. One of the "last details" that needed ironing out was the fact that despite being gimbal-mounted, the flywheels, going 100,000 RPM, could crash their enclosures if the car went over a big bump in the road. I have not heard anything about them since.
@jamesengland74613 жыл бұрын
Flywheels aren't in modern transmissions; they're bolted to the engine. They primarily smooth out imbalances in the engine. They are the minimum mass possible to achieve their benefits.
@wngimageanddesign95463 жыл бұрын
Actually, it depends on the transmission. Manual transmissions require a flywheel bolted to the back of the driveshaft, on which the clutch is mounted. Not related to the harmonic balancers bolted to some engines.
@wholegrain273 жыл бұрын
@@wngimageanddesign9546 transmissions don't require flywheels, engines do to smooth out the power stroke impulses. The 'flywheel ' for a engine coupled to an automatic transmission is the torque converter.
@wolfganggugelweith87602 жыл бұрын
Very interesting! Tank You‘ Many Greetings from Linz-Austria🇦🇹😎👍🏔⛷🛶🍺🥨😊✌️💪💙🐺 Europe!
@akshayc41453 жыл бұрын
when the supercapacitors evolve.. similar kind of buses will be on road, backed up with a very low sized battery, runs on the huge capacitor charged at every stops..which are very efficient than battery. . engineering never fails..it just convert and creates way for newer ones.. thanks for the amazing video..
@chethan933 жыл бұрын
I never imagined such a technology!! Crazy..
@jonascale3 жыл бұрын
Seems like to me Flywheels might be what should replace or augment solar home energy storage.
@janami-dharmam3 жыл бұрын
That it is not so today means simply that there are too many problems waiting to be overcome. It is simply messy, too expensive and too inefficient.
@STARDRIVE3 жыл бұрын
Recycling being way more expensive than manufacturing new batteries, and every new gen using other chemical elements anyway, I expect a lot of surplus car batteries becoming available. They may not deliver the current anymore for driving a car, but a coffee maker wouldn't pose much of a challenge.
@carrioncrow81912 жыл бұрын
Loved the Keith Richards anecdote
@lakojake42153 жыл бұрын
"Then there's the hyperloop" Is there? Where? I don't see that ever happening.
@AlfredMogaji2 жыл бұрын
F1 used It for their KERS Kinetic Energy Recovery System.
@scottthomas62023 жыл бұрын
It's a simple technology with little to go wrong...where practical, it should be used. It's not a miracle, but it has a place.
@cdmalcolm25243 жыл бұрын
Flywheels with Springs cranks to help keep the flywheel moving. Put the energy into cranking up the springs and release the spring to spin the flywheel.
@cdmalcolm2524 Жыл бұрын
So the bus problem can be solved if two flywheels are spinning in the opposite direction of each other on the same rod. The gyro effect is canceled. It does require both flywheels spinning at the same RPM for this to work.
@debunkthejunk13 жыл бұрын
The reason we are likely to see more flywheels in the future is the fact they can be repaired and recycled. Those are 2 major failings of chemical batteries. RIght now there is a major push towards solid state batteries but I think once they are well established flywheels will become much more common. Unless fusion or some new technology becomes more viable in the interim.
@TwoBitDaVinci3 жыл бұрын
Great point!
@janami-dharmam3 жыл бұрын
mechanical stress is a big problem with flywheels; so we have to use carbon fiber based (composite) that are lightweight and low inertia. Low inertia means you need very high speeds. That means you need a vacuum chamber- means pumps and other paraphernalia. magnetic bearings are expensive. Repairing such systems may be very very expensive. And if you need maintenance regularly, forget about it!!
@debunkthejunk13 жыл бұрын
@@janami-dharmam Coincidentally they said the same thing about turbo chargers in the past and a turbo is little more than a pump flywheel. Modern manufacturing methods and materials have eliminated many of the obstacles that made turbos expensive and unreliable in the past. As we exit the age of carbon fuels I believe the need for energy storage is likely to drive flywheel technology in a similar manner. And let's be honest, even continuous maintenance is preferable to waiting 100 million years for the carbon fuel supply to replenish itself :D
@janami-dharmam3 жыл бұрын
@@debunkthejunk1 You see solar panels become cheap (affordable) thanks to the chinese. Do you think that americans would have let the price of solar panels to fall so low that common man can afford it? Batteries have problems but we are familiar with it and thanks to chinese they are affordable. Do not compare with the turbo-charger because they are only an incremental improvement most customers really did not care.
@debunkthejunk13 жыл бұрын
@@janami-dharmam The Chinese? Lithium ion technology is a result of American and Japanese innovation. LG and Panasonic, which are Japanese companies, manufacturer 50% of the lithium ion batteries being used today. CATL has only been in the game for 10 years and has 20% of the market share. And to be honest, they don't have the highest quality product. I have no idea why you would credit the Chinese for any of this. And I'm not talking about the performance of a turbo charger? I'm talking about the manufacturing processes like die casting aluminum, innovations like magnetic and ceramic bearings, laser balancing, metal alloys with more desirable thermal properties etc. Turbos are excellent example of a technology that people dismissed for the same reasons; too expensive, too unreliable, too complicated. Today you can find a turbo on just about anything. It would be foolish to dismiss flywheel technology for the exact same reasons because they're the exact same thing with a slightly different application!
@phoboskittym85002 жыл бұрын
We had gyro busses in Toronto when i was a kid, hooked up to the same power cables that street cars used.
@logik100.03 жыл бұрын
All was going so well then he said hyperloop.
@sparkycorkers11962 жыл бұрын
yes, lost a bit of credibility with that
@lloydevans29002 жыл бұрын
One aspect I'm surprised you didn't mention is that the commercial electricity grid has effectively been using flywheels to regulate the electrical load on the generation side ever since power stations themselves have existed. Any rotary generator (either an alternator, magneto or commutated dynamo) has a large rotating mass, composed either of permanent magnets or electromagnets. The rotating part of the generator plus whatever is turning it (such as a steam turbine) is essentially one massive flywheel, since both are mechanically coupled and rotate together. The rotors of large steam turbines can weigh in at hundreds of tons, so the stored kinetic energy is substantial. This means that any power station using rotary generators has some buffered capacity. If the primary energy source (steam pressure driving the turbine) is cut off for whatever reason, the rotor and generator will both continue to spin, albeit at a decelerating rate as their kinetic energy is converted into electricity. The system is also capable of smoothing out minor irregularities in electrical load: If demand drops below the nominal output of the generator, it will speed up slightly as the excess capacity is converted into kinetic energy. If demand rises above the generator output, it will slow down slightly, as some of the stored kinetic energy is converted back into electricity. The easiest way to determine if either scenario is happening is by monitoring the frequency of the AC waveform produced by the generator. The frequency is directly proportional to the rate of rotation of the generator: 3000 rpm produces 50 Hz, 3600 rpm produces 60 Hz. So if the generator slows down, the frequency will drop and vice versa.
@KJSvitko3 жыл бұрын
Bicycles, ebikes, electric cargo bicycles and escooters are great options for last mile, short distance travel. Cities need to do more to encourage people to ride bicycles by providing SAFE, PROTECTED BIKE LANES and trails. Every adult and child should own a bicycle and ride it regularly. Bicycles are healthy exercise and fossil fuels free transportation. Electric bicycles are bringing many older adults back to cycling. Ride to work, ride to school or ride for fun. Children should be able to ride a bicycle to school without having to dodge cars and trucks. Separated and protected bike lanes are required. It will also make the roads safer for automobile drivers. Transportation planners and elected officials need to encourage people to walk, bike and take public transportation. Healthy exercise and fossil fuels free transportation.
@sirgaymeerkat19943 жыл бұрын
I agree completely but we also need to change the way we eat! 13% of greenhouse gasses come from all transport but 18% comes from animal agriculture! without changing both we are still doomed to fail!
@stevedoubleu99B2 жыл бұрын
I've read about this bus, but your excellent presentation is far more detailed. Fascinating stuff!!
@rockrl983 жыл бұрын
that wheel shouldn't really impact steering much, since it was horizontal, going over speed bumps and alike would be really hard on the bus frame and flywheel bearings tho.
@odometric59463 жыл бұрын
It also seems like the bus should want to roll over more easily when the grade changes at the top or bottom of a hill.
@rockrl983 жыл бұрын
@@odometric5946 roll over, really?
@odometric59463 жыл бұрын
Basically a gyroscope will exert a torque 90 degrees out from a torque applied to it. So if the gyroscope is lying horizontal (flat, which is different from a bike), and the bus starts flipping end over end, the gyroscope will exert a force (torque) to make it want to roll side to side instead. The force it exerts might be really small though, because that all depends on how quickly the bus crests a hill, how steep it is, and how much angular momentum the gyroscope has (mass, moment of inertia, and rpm).
@rockrl983 жыл бұрын
@@odometric5946 yeah, I just replayed some gyro experiments in my head, and I get it now...
@Redmenace962 жыл бұрын
Amazing video! #1 never heard of the bus system. #2 outline of current uses, never heard of, #3 inspirational to young engineers...... will show this in science class.
@beansdad702 жыл бұрын
Hey! That wheel is really nice…. Yea it’s fly…😎
@GarrettGardnermusic2 жыл бұрын
Interesting. As far as others comments about the gyroscopic forces, I propose passing out chickens out for passengers to hold in their laps. Their heads will cancel the forces out. and as a bonus, help the growing need to socialize the increasing number of chickens that need a bus buddy.
@Laffingbooda7772 жыл бұрын
It makes more sense to use flywheels for energy storage than on bus or car in a stable form with no movements ...... There are so many forms of alternative energy vehicles already ... this ancient tech can only help where it is needed
@henryseldon60773 жыл бұрын
This technology reminds me of a video I saw some time ago about a wind up car. No gas or electricity needed. It had limited range and speed but perfect for some situations.
@Low7602 жыл бұрын
I had this explained to me as a bus apprentice mechanic by an electrician who'd been doing it 40 years. Never found anything on it till now. Thanks
@Frazzy872 жыл бұрын
Lovely video..! High quality video, narration, and knowledge-wise
@Boerje693 жыл бұрын
Insane idea indeed.
@ericogden45892 жыл бұрын
Harold Rosen, the inventor of the fly wheel / gyroscope used in satellites, was working on exactly this in the early 2000's prior to his passing...Rosen Motors.
@Helliconia542 жыл бұрын
I believe Britain was looking at gyro busses in the 60's Biggest issue was building a flywheel that was both light weight AND strong enough to NOT blow apart at high revs.
@raphialhebert2 жыл бұрын
Wow, definitely learned somethin new today. Thank you for covering this!
@absash78382 жыл бұрын
That Red bud is more beautiful than any modern-day super car..😍
@miss__caroline2 жыл бұрын
I fell in love with flywheels when I learned the old Audi R18 LMP1 car used it for its hybrid system.
@jackasshomey2 жыл бұрын
i just figured out a way they could fix the gyroscopic effect, they could instead of having 1 flywheel they could have 2 flywheels stacked ontop of each other each spinning in the opposite direction of each other, you then cancel the gyroscopic effect
@misamsung61912 жыл бұрын
Rotary Uninterruptible Power Supplies have been around for a long time. I've seen them in use for backup power supplies for buildings where other forms of standby power were unavailable. I've also seen them in use in military applications to provide the equipment to power down gracefully. If we look at transportation it would probably work a lot better for a street/trolley car application where the tracks are straight mostly and usually have very gentile curves.
@MrJethroha2 жыл бұрын
Could still be practical in space, where you don't need a vaccume chamber and could use multiple flywheels for both attitude control and energy storage at the same time. Also, if you think about it, large rotating space stations (if they were ever built) would be like the ultimate fly wheels. You could store energy by drawing weights/pumping water toward the center, increasing percieved gravity at the extremities, then let the weights/water turn a turbine on their way down, decreasing percieved gravity.
@timwatson38792 жыл бұрын
..I remember reading about this in Popular Science Magazine as a kid ( 1968 ) They were experimenting with variants at that time for a "comeback"....
@bobthompson43192 жыл бұрын
The one on the iss is one of the coolest uses of one iv seen
@tactical_snails21982 жыл бұрын
This guy is amazing making such a boring topic interesting and telling you all the important facts
@jamesfisher122 жыл бұрын
We need this back now and better it could use it for for everything 👍
@Mastermindyoung142 жыл бұрын
I've always wanted to make a motorcycle that used this and could stay upright at stop lights.