Flywheel Energy Storage using Lego Technic! Crazy Power! 4k

[@riggsvsoliver]

I wonder what this would be like, if the flywheel was in the middle or front, but also in an AWD variant so that you’re getting full traction, along with some wild gear ratios for fun

[@GazRsExtremeBrickMachines]

Hey nice idea maybe I’ll try that soon! Cheers 😀

[@GeomancerHT]

@@GazRsExtremeBrickMachines Two flywheels, one for each axis, that way you get AWD plus double the energy stored, without adding steel or lead weights. Also, you can double the width of the flywheel and quadruple the energy stored.

[@GeomancerHT]

Also, a clutch would be great to disengage the wheels while flywheel is spinning up.

[@jaakkopontinen]

Isn't there a bigger diameter version of the turntable arcs? Maybe not. Aaaanyway, now make two more of the same kind of flywheel, add 4wd and center-mount.

[@AtomicWaffle]

@@GeomancerHT YES! THIS 👆

[@jeansonne100]

Let it roll down a slope and then up and identical slope. That would be a really good test of how efficient it is. I bet it’s pretty good at storing power.

[@GazRsExtremeBrickMachines]

That’s a great simple idea! I love it. Cheers Jordan!

[@jaakkopontinen]

Good idea :)

[@sowmyasoman8306]

:3

[@B_Poort]

Really liked this! maybe test the car outside of the studio, and check how far it will go on just flywheel power (both high and low gearing) in some kind of hallway? or test it outside?

[@robitbobit3395]

That's a good idea

[@hooningmoose8941]

A treadmill be perfect for that

[@B_Poort]

@@hooningmoose8941 yeah

[@GazRsExtremeBrickMachines]

Hey there thank you very much! I wish I had of done now! I really didn’t expect it to have much energy storage with the king gearing but it surprise me. I’d have to do it on the road where I am and that could be tricky! 😀

[@B_Poort]

@@GazRsExtremeBrickMachines ah ok

[@rs37_]

The flywheel would deliver much more energy if the weight was as far as possible on the outside of the flywheel... And for the fast gear transmission you could use a wheele bar, that would work way better. All else great video :) Thanks for the time and effort

[@Reverend_Salem]

even just in the middle would be better. or have it be front engine frontwheel drive

[@GazRsExtremeBrickMachines]

Hey there thank you for that appreciate it! I just couldn’t get any more weight nearer the edge using these parts so I packed it as much as possible. I guess with some metal/lead I could have done it. I used a car on the last run, I just thought it was more eventful like that lol 😀

[@autisticboi2992]

maybe instead you could turn the flywheel horizontal and see if it has enough gyroscopic force to keep it stable

[@IstasPumaNevada]

Can only get so dense using legos; they could add steel or lead but at that point we're on the slippery slope to "is it even a lego mechanism anymore?" Filling in the disc also reduced losses to wind that the two flat spokes were creating in the last iteration.

[@colinsmith6340]

Flywheels follow a bit of a weird law. If you double the weight it only doubles the stored power, but if you double the RPM you quadruple the stored power. A small lighter flywheel that can spin twice as fast actually stores 4 times the energy. "And since the kinetic energy of a spinning object (E in the equation above) is related to the square of its angular velocity (ω2), you can see that speed has a much bigger effect than moment of inertia. If you take a flywheel with a heavy metal rim and replace it with a rim that's twice as heavy (double its moment of inertia), it will store twice as much energy when it spins at the same speed. But if you take the original flywheel and spin it twice as fast (double its angular velocity), you'll quadruple how much energy it stores. That's why flywheel designers typically try to use high-speed wheels rather than massive ones. (Compact, high-speed flywheels are also much more practical in things like race cars, not least because large flywheels tend to add too much weight.)" www.explainthatstuff.com/flywheels.html

[@zoomosis]

I remember having a small toy motorcycle that had a flywheel for the rear wheel. A "rip cord" with teeth on it would attach to the flywheel to spin it up. The bike would easily ride across a room, on a solid floor. Edit: Turns out it was a Tomy Pop Cycle, from about 1981.

[@GazRsExtremeBrickMachines]

Hey thank you for that I’ll take a look now :)

[@alexking1129]

That parallel motor set up is insane lol

[@GazRsExtremeBrickMachines]

Lol glad you liked that 😀

[@mbcommandnerd]

Damn, that thing’s so powerful, IT DOES WHEELIES!!!

[@wuemsad3248]

you should make a flywheel saw!

[@GazRsExtremeBrickMachines]

That would be interesting thank you :)

[@z9cubing574]

i love flywheels!

[@FalseyWalsey]

3:20 That was wheely epic

[@GazRsExtremeBrickMachines]

Haha it did amuse me filming this 😀

[@איתיאוטולנגי]

Great video, 2 changes I'd love to see: 1. Make it all wheel drive 2. Tug of War with a brick on the car.

[@GazRsExtremeBrickMachines]

I’ll work on it thank you😀

[@DaPolack]

@@GazRsExtremeBrickMachines can you please tell me the tug car used? Or a set that comes close…

[@robitbobit3395]

Can't believe how much weight that fly wheel car drove up that incline with, expressive and entertaining thanks good work man!

[@GazRsExtremeBrickMachines]

Thank you so much! It really surprised me too, I’m surprised the front wheels didn’t collapses!

[@robitbobit3395]

@@GazRsExtremeBrickMachines you doing more with it in the future? Maybe make it longer so it stops catwalking lol that thing is awesome

[@lotmom]

So because of the physics of flywheels, you get a much greater return from speed as opposed to weight. 4 times as much, in fact. If you can find a way to better balance the flywheel so you can get it going to say, 8000 rpm, youll get way more power with a lighter overall design

[@GazRsExtremeBrickMachines]

Hi there thank you for that, I didn’t know that! 😀

[@Ailtir]

This just assumes its as easy to add speed as it is to add weight which isn't true. Its not even the weight we are directly interested in, its the moment of inertia of the flywheel.

[@whynachtsmann5796]

@@Ailtir i guess thats obvious, since it returns 4 times the power, that u need 4 times the torque to get it running, not counting air resistance, which is also squared with speed

[@connorpotratz1459]

You should make a lego car that can wheelie and stay in a wheelie for as long as possible.

[@williamsommersdorf9705]

That is impressive I never thought a flywheel could do stuff like that

[@jacobmonger7803]

You should make like a string pull starter like a lawnmower to be completely clean energy

[@GazRsExtremeBrickMachines]

I like the idea Jacob! Would save me charging all these batteries!! The only issue is the strength side but it would be great if it worked

[@MohammedAli-ml8ls]

Really cool. I get a giggle every time a leggo piece just flies off 🤣

[@Alexander_Sannikov]

efficient flywheel has all its mass located as far away from the axis as possible. like more of a ring with spokes and less of a disk.

[@GazRsExtremeBrickMachines]

Hey I tried that first time but I couldn’t get enough weight in it just using Lego so I did this 😀

[@nathanmoore6487]

Adam Savage tried doing this with a massive budget and professional tools and failed... My man GazR's showed him up with Lago well done lol

[@GazRsExtremeBrickMachines]

Haha Nathan I’ve not seen that will check it out! And cheers 😀

[@carmenrepucci]

Now that you have tons of adjustable weight, the truckload of pins used, could you try balancing the flywheel to increase the max rpm? Removing pins on the outside for a greater change in balance and pins on the inside to fine tune?

[@carmenrepucci]

I don’t know if the spacing would be the same, but a 2x2 cylinder instead of the bushings on the flywheel shaft might make the shaft stiffer, allowing more rpm as well.

[@GazRsExtremeBrickMachines]

Hey there that’s an interesting idea! I’ve taken it apart now to make something else but I will keep that in mind! Cheers!

[@rallydogmakes3861]

Make a pneumatic engine powering the flywheel and put a simple steering mechanism in the front

[@chefsnoop920]

MORE FLYWHEELS!!!! 3 should be good.

[@GazRsExtremeBrickMachines]

I may try two or one big one next and awd :)

[@stormedgiant6211]

Let's make flywheel in center and make 4WD :D Maybe two flywheels and 4WD?

[@GazRsExtremeBrickMachines]

Great idea! Definitely 4wd next. I’ll see if I have enough parts for two 😀

[@chrissbrick4989]

Awesome much more power now!

[@GazRsExtremeBrickMachines]

Cheers Chris!! We love power! Lol

[@irishchavez890]

Thx for making flywheel heavier👍

[@samuelwashburn6486]

I think you should put some long wheelie bars on the back

[@Retrograde99]

Use those aluminium Lego bricks for the flywheel

[@thatelectropig8678]

This thing was surprisingly strong for a wheel powering wheels, and if you. Count gears as wheels, it’s a wheel using wheels to power wheels

[@GazRsExtremeBrickMachines]

Haha hey there I had to read that twice but yes! I’m going to attempt to make a big hamster wheel for my cats and drive a vehicle 😀

[@Dia1Up]

I used to have a flywheel drag car toy when I was a kid. It was a blast. I actually still have it and I'm still blown away at what it's capable of

[@GazRsExtremeBrickMachines]

Oh cool I’ll take a look at some older ones

[@Arjun_Sheoran]

This concept need to be used in drag racing

[@ghostrucok6617]

you should make it steerable. Like remote controlled but only the steering wheels

[@AIC_onyt]

a wheelie bar would be good

[@ScrimmyBingus42]

I just realized something that would be a co engineering challenge, flywheel dragster. Basically a dragster that's only powered by a spinning flywheel, and you have to improve the design to get the best run possible

[@aaa_aaaaaaaaaa]

try making a longer wheelbase so that it can actually use all that energy

[@BazilRat]

Damn thing needs a wheelie bar on teh faster gearing!

[@alexstasko696]

Maybe try making it awd + somehow even a bit more weight to flywheel, or just make another flywheel, put it somwhere in the front for better center of mass and conect it to the front wheels and with the first flywheel too so they would both spin equally fast

[@GazRsExtremeBrickMachines]

Hey Alex I think I will try this next time as the videos have had a lot of interest and a few have requested this! Nice idea cheers

[@dorianfeisel2945]

The car charges up the flywheel when it goes down the slope again. Maybe you can use another slope in the Opposition direction to make a pendulum where the car goes back and forth between the two slopes. By looking at this you could compare the efficiency of different setups. Apply lube to the gears, see if it oscillates for a longer time.

[@GazRsExtremeBrickMachines]

That’s a really good idea thank you! I wish I had of thought if that! I will do another soon😀

[@dorianfeisel2945]

@@GazRsExtremeBrickMachines Great. Looking foreward to it :)

[@mykellopez6197]

Increase the torque 👍

[@TheAquabears]

Having flashbacks to my Evel Knievel stunt bike.

[@JazzbLu]

I would like to see an even larger heavier flywheel. Most of the weight I would put as far out on the flywheel as possible. Great work though! I am stunned how much weight it would push up an incline!

[@KneppaH]

2 flywheels, front and back

[@GazRsExtremeBrickMachines]

Hey thank you Josiah! I will work on it! Surprised me too carrying the weight uphill!

[@Audi_Sport_Quattro_S1_E2]

I have an idea: put a wheely Bar on the fast one, so it does not waste energy doing a wheely

[@GazRsExtremeBrickMachines]

Hey there I did on the last run but found it fun like this 😀

[@gatomakonha7449]

make a lego drag car!

[@masgillan]

Part 3 please!!!!

[@hoynew7610]

Model is very interesting! I think you should make it 4wd

[@GazRsExtremeBrickMachines]

I will do and thank you 😀

[@baileyrobertson6006]

If you could make it all wheel drive, it could definitely climb some steep inclines. Keep up the good work!

[@GazRsExtremeBrickMachines]

Hey thanks Bailey! Awd next time :)

[@RealRequiem]

Maybe you could use the Lego magnets as weight? They are the heaviest official lego part compared to its size.

[@KneppaH]

use 2 flywheels. 2x torque, 2 x flywheel weight without overstressing the drivertrain

[@nomolossb9024]

You should put a wheelie bar on and make it a drag car

[@GazRsExtremeBrickMachines]

I’ll make a proper drag version soon thankyou

[@theadyro1696]

This ting strong, and is a dragster to =))

[@larryscott3982]

To prevent the wheelies you should’ve just run it backwards. With the flywheel in the front it would stay on ground

[@tristanhameleers7506]

If more weight is on the outside it also works better

[@hooningmoose8941]

Wheelied itself to destruction lol, you could maybe make a wheelie bar for it and see how long it would maintain the wheelie for in a bigger area

[@GazRsExtremeBrickMachines]

Hey there I did make a quick one for the last run but only with parts I had on hand 😀

[@pauleyboys3892]

Do big tank vs that huge bulldozer or those super strong ones that hold kids maybe?

[@pauleyboys3892]

You should do big tank vs bulldozer

[@GazRsExtremeBrickMachines]

I will be doing sometime this year cheers😀

[@old_channel898]

you should add links to some of the builds you do if they have manuals for them

[@That_Bot_6252]

i find it very surprising that a lego flywheel has this much power! great job!

[@GazRsExtremeBrickMachines]

Thank you very much, surprised me as there’s no bearing etc 😀

[@ThePlumAbides]

Looks like you should put a wheelie bar on it for the high speed test

[@Wesleystewart78]

See if you can't turn the fly wheel 90° should create a gyro effect and help stop it from doing a wheelie also would make it easier to feed into say a awd drive train would also be awesome to add one if your automatic gear boxes so it will accelerate faster without as much wheel spin

[@idlemuse]

I reckon you could do some truly crazy stuff with the lego ballast brick (part no. 73090b) for additional weight, with a larger flywheel, something to really compete with the high-torque trucks you have.

[@GazRsExtremeBrickMachines]

Hey thank you for that I’ll take a look! I big flywheel would be great too😀

[@ethanutz6457]

Maybe try steel pins to add more weight to the flywheel

[@corpsimmons575]

It so funny how is sounds like a train when spinning up. Its got the classic DC-AC (or whatever) switch sound and at top speed it sounds like a train going flat out

[@GazRsExtremeBrickMachines]

I know what you mean! Love trains!

[@Catworld379]

Add a automatic gearbox to the car to make it better for bumpy terrein

[@snufkinsnufkin2528]

try to make it a front wheel drive for the speed test!

[@c1a9h9r9]

Put in the efficiency, the energy used to speed up the flywheel, and the energy that the fly wheel can deliver...

[@GazRsExtremeBrickMachines]

I don’t think it would end up too well! Someone mentioned about having two slopes to see it go down and back up again on its own power to see this!

[@MegaMike1]

Thats extremely cool!!

[@GazRsExtremeBrickMachines]

Thanks Mike!! 😀

[@andymitchell2146]

I could be wrong but I don't think a heavier flywheel would necessarily make a difference. The energy given to it seems to be limited to the torque available from the spin up motors and the resistance in the system.

[@vctrnxav5908]

pretty nice video! try to install the flywheel in the middle of the chassis and try to built it an AWD, so it has more grip and its center of gravity is more central

[@vejetq3723]

If you'd put this int the "lego saw" from your another video, it'd have much more kinetic energy to cut hard stuff, before it slows down

[@GazRsExtremeBrickMachines]

I will definitely try this thank you! Soon hopefully 😀

[@lock7592]

Add a wheelie bar and make it a dragster

[@GazRsExtremeBrickMachines]

I’ll probably make a dragster version cheers 😀

[@masemasemasie]

Thanks for the tug o war lol. Your videos always amaze me.

[@GazRsExtremeBrickMachines]

Haha cheers Mason! Powerful one soon to hopefully compete 😀

[@thejerminator877]

You could make the flywheel even heavier by putting a 3L bar inside every 3L pin.

[@Parker-di7ef]

Wow! I loved all the improvements you made! Great work on that all Lego flywheel. I thought for sure you’d have to add weight to it with other materials.

[@GazRsExtremeBrickMachines]

Hey cheers Parker I’m glad you liked it! I think any more weight and the axle would be struggling to cope, I noticed after it had worn the plastic down quite bad lol

[@robertsteel3563]

I wander what will happen if you changed the gear ratio to make it go slower for more torque?

[@Xpl0jd1]

Nice one! Looks like it could use Some wheelebars to not lose as much energy.

[@gabrielgagne2183]

Wheelie bars next time please!!!

[@GazRsExtremeBrickMachines]

I did at the end :)

[@ferndalehennessy]

put a wheelie bar on it!

[@mozeskertesz6398]

Why not make the flywheel horizontal and contrarotating, which would allow it to be lower?

[@GazRsExtremeBrickMachines]

The big problem with this is all the weight will be pressed down onto a been and it will literally friction weld at high rpm. Even with this setup it melted the beam and the end of the axle slightly! A worm gear and a horizontal fitting is a great idea though :)

[@Jkauppa]

a lego brick spin launcher gun, directly detach from the rim, no trebuchet string, just let it go, at a wanted point, with a stopper-detacher, rapid fire mode also, disc keeps spinning, mass disc >> mass projectile

[@nathanielgrimaldo3519]

CRAZY POWERFUL BRUH

[@eastonchristensen3601]

That’s amazing!! The car pulling wheelies was definitely the best part😂 very impressive how much torque it has! Also 65k!!! What!!

[@GazRsExtremeBrickMachines]

Hey Easton cheers after a quiet two weeks it’s going well again😀! Yeah I had fun with this lol. The hill test with the weights blew me away!

[@eastonchristensen3601]

@@GazRsExtremeBrickMachines it’s crazy for sure! What if you did 4x4🤔

[@blenderbachcgi]

Try turning the wheel, instead of the flywheel, to bring the flywheel spinning at extreme speeds!

[@GazRsExtremeBrickMachines]

I don’t think the motors would have enough torque lol. Would be epic speed!

[@kriskeersmaekers233]

I dare you to make a flywheel with that 6kg lump of steel :D For real, lego has some very heavy blocks, it would store a magnitude more energy if you built a wheel around some of those. Keep in mind it is very important that the weight is as far outside as possible. 1118 Boat Weight block comes to mind, but that may not be the most practical to keep the flywheel balance.

[@GazRsExtremeBrickMachines]

Hey there Kris the only problem and it’s quite a big one is the axle was just about on the limit here. I used quite a bit of lubrication and even then it was wearing away quite quick. I will try a bigger one though with some weights thanks for the info too 😀

[@dirkstrider8783]

I wonder if there's something similar to/if not a transmission that can help limit the initial torque during that takeoff Either that or front wheel drive

[@GazRsExtremeBrickMachines]

Yeah it’s a good idea, I’ll try awd next time and a big flywheel :)

[@davesendit1348]

Very impressive work! I wouldn’t want to be the guy to have to take apart that fly wheel apart later with all those pins hahaha.

[@GazRsExtremeBrickMachines]

Haha thank you Dave! It was an absolute nightmare good observation!!!

[@OMNIDROID2995]

Friction i think is the main problem here. Graphitgrease on the Flywheel Axle maybe can help.

[@GazRsExtremeBrickMachines]

Hey there I did use some lub, the reduction hubs though have quite a bit of resistance unfortunately and they’re sealed units. I had to use them though for the tyres and secure fitting. Also they can handle serious torque 😀

[@Hide_and_Tweak]

wow this is really impressive !

[@GazRsExtremeBrickMachines]

Hey there thank you very much :)

[@joyfuflower]

I'd like to see it go down a ramp freewheeling and then with the flywheel attached to see the efficiency difference (aka how far it goes)

[@adriansue8955]

Surprise Slope results the performance plateau towards the middle might have to do with the weights affecting tire slip?

[@GazRsExtremeBrickMachines]

Hey yes that could be the reason, I didn’t look too closely tbh. Also the wood was getting a touch more bendy which helped the heavier ones at the start.

[@diodana2856]

For speed add a second fly wheel to the front axle and make is more front heavy

[@GazRsExtremeBrickMachines]

I like the idea cheers! Something for the future!

[@Wasbever_14]

Yay tug of war is back

[@GazRsExtremeBrickMachines]

Hopefully more very soon 😀

[@davidsalamoun6140]

make pls 4x4 with Flywheel Energy Storage

[@davidsalamoun6140]

(lock AWD)

[@GazRsExtremeBrickMachines]

I nearly did as it was an easy conversion but I didn’t want to lose to much energy through the drivetrain.😀

[@vakuzar]

Absolutely awesome, needs some back wheels for some take off. I really want to see how far you can take this concept.

[@GazRsExtremeBrickMachines]

Hey thank you so much! Yeah agree, I did put a bar there on the last run :)

[@CZpersi]

It reminds me the Gyrobus, which actually run in regular service for years.

[@OneBorko]

Is there a way to make bigger wheel? weight doesnt seem to be an issue, so you can try bigger scale with heavier spinning wheel!

[@GazRsExtremeBrickMachines]

I will try a bigger one next 😀

[@alfredsl1244]

Make a wheely stopper and se how Long you could hold the wheely

[@GazRsExtremeBrickMachines]

I put one on right at the end :)

[@naveedLbisram]

It's like a Top Fuel dragster

[@GazRsExtremeBrickMachines]

Yeah was crazy for a few secs lol

[@naveedLbisram]

@@GazRsExtremeBrickMachines 😂

[@Egerit100]

Is it possible to somehow make a car that is powered by a flywheel but have a smaller flywheel-powered car attached to it so after a certain amount of time it releases the small one. Maybe make the front of the car a ramp so the small car can get off more easily?

[@GazRsExtremeBrickMachines]

Hi there! That’s a weird but interesting idea! Hmm I will look into that! Definitely possible😀

[@astrobot3000]

you could put the tiny little rods inside the pins to make the flywheel even heavier

[@GazRsExtremeBrickMachines]

Argh nice thinking! I do have a few aswell!

[@davethm75]

That moment you need a wheely bar for that lego car

[@IstasPumaNevada]

Cool seeing you implement the suggestions we commented in the last video. You did a good job filling in that flywheel nice and solid.

[@GazRsExtremeBrickMachines]

Hey there thank you so much! I do really appreciate the input 😀

[@jesuslovesyou5819]

Really cool

[@GazRsExtremeBrickMachines]

Thank you very much 😀