YASA Motor Works | Fully Charged

A quick visit to the YASA motor works to see the incredible developments in electric motor design and construction.
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Fully Charged is an online show hosted by Robert Llewellyn (Red Dwarf, Scrapheap Challenge, Carpool), which looks at why we need to change how we think about energy consumption now. From looking behind the myths of renewable energy, to seeking the truth about electric cars, Robert Llewellyn demonstrates what the future could have in store for us all.

[@The8BitGuy]

Those motors looks like they could be "stackable" so if you needed more power you could put 2 or 3 of them in a vehicle.

[@lucamuller6729]

Yes, they wrote it on their website, looks odd but really cool modularity! Cheers

[@learningcomponents5809]

Yeah they're axial field motors. They're the future!!! And btw, I watch your videos they're so good. OMG! This comment is 10yo this is way more precious than Ether.😂

[@bingosunnoon9341]

@@learningcomponents5809 They are the future and always will be.

[@naveenarora6467]

@@learningcomponents5809 this comment is amazing and so is that guy and so are u :D

[@naveenarora6467]

@@learningcomponents5809 this comment is amazing and so is that guy and so are u :D

[@SW-lw6mt]

YASA Flux motors came up on my feed and my KZbin search brought up this video - fully charged was there at the beginning :) Good to see this is being used in production.

[@DSDMovies]

Brilliant as usual. The balance between sort of knowing what you're talking about, enough to ask the right questions and not knowing is what makes these little programmes so good. And also your clearly genuine enthusiasm for the subject.

[@Nirabulator]

I only recently discovered your channel, and I find it one of the most inspiring and positive things on the Internet. More please!

[@HeathenGeek]

Can we get an update on how things are going with YASA and their motors. Maybe a more technical aspect on how they work too?

[@agent00klc]

Its in Koenigsegg Regera :)

[@joshuakeeling1]

HeathenGeek I'm on placement there at the moment, all I am going to say is you will start to see their motors appear in many more applications and consumer products, they are getting lighter, smaller and more efficient. Now just waiting for the battery tech to catch up!

[@ikechukwucollins2401]

hi. I want to apply for the yasa motors placement for 2017. I would like to know ur experience working with them if its not too much trouble

[@joshuakeeling1]

ikechukwu collins Tim Woolmer is still there, and he is the man who inspired me to join them. You will learn a lot and they are a great team of people!

[@suppapornsuksai4653]

แสดงความเห็นเสริม. a).ในทุกๆ VDO หากทำได้ควรแปลภาษาได้หลายภาษา เพื่อการสื่อสารที่สมบูรณ์ในการเสนอเนื้อหาของ VDO

[@phatcowboy76]

Most motors have a rotating armature and a stationary field. The stationary field can be copper windings with field current flowing through it to create a magnetic field. This magnetic field pulls on the magnetic field of the armature creating torque. In this case they use rare-earth magnets as the stationary part to produce the field . The magnets then are the field windings. This type of motor is simpler and the magnetic field from the magnets is fixed. In other motors (especially larger DC motors) the field voltage and current can vary. Also the maximum efficiency (or Carnot efficiency) of a petrol engine is about 40%. That is only a theoretical efficiency and impossible to achieve. So the maximum real-world efficiency of petrol engines is high in the 20's or 30's. These YASA motors have real world efficiency's in the 90's. No comparison.

[@fullychargedshow]

@LosDTenaces Um, couple of things. DON'T SHOUT! It's rude. I admit it wasn't explained clearly enough in this episode, but truly, they don't need gears. Each motor drives one wheel, the motors are fitted side by side in the central part of the chassis, they do need universal joints but it is an absolute direct drive from the motor to the wheel just as we said. There are NO GEARS on the Delta E4 Coupe, the car briefly featured. It has two of the YASA motors, each one driving one rear wheel.

[@victoryfirst2878]

Shame you are located on the other side of the pond. I would just love to see this company and the products. Thanks for showing us all on KZbin. Peace vf

[@anthonymannwexford]

First time i've watched this show and I'm a fan already. Going to pass it on to friends... Love it..

[@dlittlester]

+Anthony Mann , Yes, they're all good.

[@lumpyfishgravy]

LOL at 7:17! I spent a summer working at a magnet factory - awesome stuff. They were just rolling out rare earth assemblies and people were breaking fingers they were so strong.

[@funny-video-YouTube-channel]

More compact motor = more space in the car itself. Great technology !

[@jamesgarlick4573]

200 year old technology in fact! The first axial motor was invented by Faraday

[@aaronsaldanha2815]

I am watching this ten years later!! and this is the year (2021) when Rolls Royce made its "Fastest Electric plane" with Axial Motor.

[@a-aron2276]

I watched this 12 years ago, but even then I missed the part where they drive it on full power and only need the losses in the system to power it. What a cool rig.

[@dialog245]

28 SEPTEMBER 2021 Mercedes-Benz has acquired electric motor company YASA, giving it access to the UK-based operation’s axial flux motor technology and expertise.

[@shawnhollahan590]

I would love to see an update of where they're at 5 years later.

[@HeathenGeek]

Yes. . . me too. Also some proper technical stuff about how it works.

[@bernardfinucane2061]

Probably not a revolution technically. Just using really good modern batteries and really good modern solid state switches to tweak existing designs.

[@sammyd7857]

nowhere, because their ratings are bullshit

[@sithukyaw9019]

they are developing full electric flight with R-R. They just signed the deal with automotive OEM too. It is not too bad for once PhD student making millions out of his studies.

[@johnbenton4488]

Let's hope that when full production takes place (and it will!) it is done in UK for a change.

[@martythemartian99]

At 6:25 I started to wonder how long it would be before he hurt himself when one of the magnets was turned around. The answer was at 7:17 so... not long at all. :D

[@luxorasmodeus]

so where is it now?

[@freggo6604]

I didn't know Fully Charged was around for that long! Wow, way to go :-)

[@alphafort]

pls give us an update!!!! pls pls

[@carlo6870]

In case you haven't seen it in other videos, Ford's Mach E uses multiple Yasa motors! Truly cutting edge stuff

[@rammuk]

How many poles does the motor have? And is the number of permanent magnets the same as the number of poles? (I think for smoothness, the numbers should be relative primes).

[@superchargedVR1]

Would love to see one of these motors as a hub motor in the rear wheel of an electric bike..

[@TheLateBrakeShow]

I wanted to use a pair of these in my Flux Capacitor EV drag car. Perhaps YASA want to play with my next project?

[@zaheer4024]

The Formula Student team at my university acquired this motor for their electric car.. not sure how far they got with building the car.. google NMMU racing for more info.. i got to inspect the motor close up as i was briefly a member of the team.

[@Andresander1972]

Maybe Emrax motor is cheaper solution!

[@Leafyfpv]

Robert is a great video host, feeling like i want to watch some junkyard wars now! haha

[@111danish111]

This video is five years old . Has their products found themselves in affordable cars unlike that 2m $ Regera ??

[@glennwehmeyer]

Keep up the good work! Nice to see the Brits are pushing the envelope of electric motor technology. Most production electric vehicles are direct drive to the wheel and don't need a differential. The computer in the motor controller takes care adjusting it to give maximum traction and adjust rotational speed as it goes around corners. Makes it much simpler when you scale it to 4 wheel drive or 8 wheel drive (KAZ electric limo) My Nissan Leaf's on order and can't wait to test 0-60 too

[@grendelum]

It is *_remarkable_* how far EVs and renewables have come in the six years since 2011 !!!!! (FullyCharged production values seem to be the only industry that's able to keep up !!)

[@andrewwhite1065]

Always wanted an electric compact high output motor to do a conversion on a motor scooter. Might need to beef up the chassis and brakes as well. No mention of voltages needed, I'm assuming 72 or 144? If the price could be kept at under $1000 for the 16kg 200kw 2019 version, then Yasa a will sell millions of the units.

[@Mosfet510]

I can't believe the size vs power output! They have to be the smallest and most powerful for their given size that I've seen. I remember Jamie Hyneman(?) from Mythbusters doing some experiments with Neodymium magnets, but **ULTRA Strong ones and the attraction/repulsion of those was unbelievable.

[@jonfrancis1365]

Robert's film is from 2011. Please see www.yasa.com for up-to-date information.

[@winning4522]

Axial Motor Generator, right? Nice! Love it!

[@nibiruresearch]

Just an advice: Use the microphone in mono to get a better speech quality.En keep it closer to the subject in noisy or reverberand rooms.

[@quarkmarino]

7:17, so funny, i was completly inmersed on his talking, but suddenly Ouhh!!, made me laugh hard.

[@mightyeagle]

And how much electric is used each day to refine that oil? The answer is a lot , you can plug in anywhere but you can't get petroleum at home, Ect.

[@wayneartist]

I had my first play in a Nissan leaf today at the Melbourne international motor show, they had it displayed on the dyno and I was amazed at how quickly I reached 140 kph

[@twelvebears1971]

The motor technology shown here is truly exciting. Electric motors have always been impressively compact and light compared to internal combustion engines (it's the power source that's the bulky bit) but these are amazing. A motor with that power and torque which weighs 25kg!! As Robert says, they need no gears whatsoever as even the differential effect can be achieved electronically with motors driving individual wheels.

[@Youalreadyhaveitall]

I love and enjoy every one of your videos. Thank you so much!

[@HemantGiri]

love this man always follow him and i love electric car.... sadly we dont have any in india

[@ricnyc2759]

How did I find this video? Ok. I've been thinking that people are only focusing on the batteries... What about the motors? Then I started to find some news about axial flux motors. A "new tech" that's more efficient... And I see this 10-year old video about it. :) The new development like Rolls Royce using it and breaking records made it even more interesting.

[@inox1ck]

Really nice lightweight modular design,

[@seaplaneguy1]

Working on motor that can get 80-90% of the fuel out. It is a distributed IC engine. One motor is 6 inches diameter by 12 inches and weighs 35 lbs. 84 hp at 8400, can go to 12,000 rpm for peak 120 hp, just like the electric motor shown. About the same space.... 80:1 expansions. Can run on solar thermal and battery (electricity) at 45%. It can also do boundary layer active drag reduction as well as power on lift for 10 CL on wings. Land at 1/2 speed. It can go in car or roadable airplane. Range 2100+ miles on Natural Gas at 100 mph. $33 in fuel to go 2100 miles, or 200 mph at 10 cents/mile on gasoline. 1 cent/mile at 100 mph on Ng at $1/gallon equiv. In contrast, electricity is 15 cents/kwh in USA and 25-30 in Germany. That is $5/gallon. Battery is 12 cent/kwh to use it or $4/gal. That is $9/gal. Then you add in boundary layer....allowing a car to get 200 highway and 400 city. No idle. Can dead torque like an electric motor. This can use Ethanol, Gasoline, Diesel, propane and battery if wanted. This engine can also be 24/7 and distill water via vapor compression distillation.... Heat, cooling, water and power. All that a house need, 24/7, all from NG or solar (80% of the time). There is a better way...

[@staffansvahn]

Thank you. I enjoy your program very much. Best wishes Staffan

[@zodiacfml]

wow took them more than 11 years until they got something out of it, partnering with MB. Though Axial flux is nice, it is easy to make but requires huge diameters to make it powerful for EVs

[@movieklump]

Been watching your vids for a while, just like say great show! Keep up the good work.

[@LoriCiani]

All I can say is one word, amazing!

[@LosDTenaces]

@yyarross they both will need to maintain the same torque and general speed to keep straight, but in a corner the outer wheels need to spin faster than the internal wheels to allow the car to go around the corner properly, thats why most cars have rear diffs instead of a solid rear axel

[@bboaze]

The no gears thing seemed very well explained to me. U-joints and shafts seem the best way to connect anything to the wheels of a car, IMHO.

[@Milosz_Ostrow]

(6:23) Fooling around with rare earth magnets with bare hands is not a good idea. They have a tendency to break like glass, creating razor-sharp edges that can cause serious lacerations.

[@killallfornothing]

First thing is that electric engine generate almost same HP in all rpm range, and in the same time petrol motor need around 3-4k rpm to get his nominal amount of HP. Second thing is that energy circulation loop - acceleration- deceleration is known quite long time, and that is a problem for controller, not for engine ( engine unit is only chassis with electromagnets, disk with permanent magnets, and hall effect sensors to give info to controller about shaft position in motor because its need to be sequenced) So its can be easy use as a motor and as a generator. (It is possible to get some voltage pics coming from motor, when is accelerating, so it is also generating power even when is use as a motor only) Third thing is that we have giant problem about storing electric energy. You can store way more energy with one liter of fuel than one kg of batteries. Four is that wee are so green but generating electrical energy is still very poisonous for enviroment and very primitive in the same time, same like using petrol... Impressive about electric motor is only amount of power generating by that tiny motor, noiseless and fact that you need much less oils and parts to keep thing running.

[@RealitysSuccessor]

@DanFrederiksen actually with some quick googling 4th is usually about 1:1. 1st is closer to 4:1 (1/4 the speed but 4x the torque). An EV doesn't need the gearing because even at very low RPM it has the torque needed to move the car quickly. Adding gears would just reduce efficiency. The only place you might want gears with an EV would be for very large vehicles like say a bus or a delivery truck that has a heavy load. Since you can add more motors it wouldn't be necessary but might be cheaper.

[@naturescritter4691]

Can you imagine a motor directly connected to the drive train…. Me: Yes I can imagine a catastrophic failure without it having a clutch that allows free spinning. Ahhh the best idea of seeing a vehicle traveling at 60mph (96.6km/h) suddenly stop for no reason at all.

[@tommycortez_]

This motor is installed in the mustang mach-e, they are producing 1400hp and crazy torque

[@greyareaRK1]

I wonder if the whine of high performance electric motor accelerating will eventually have the same cachet as the growl of a V-8 does now? Perhaps they will simply engineer the sound as they do with many of today's sports cars? Lastly, many bicycles today use in-hub constantly variable gears/changer. I wonder if it's possible to apply the same concept on in-hub electric motors to convert the torque. I love the idea of in-hub motors.

[@PathosBedlam]

I wonder if these are the motors in the Aptera? Might be time to revisit this company now after over ten years of major changes in the EV world. I'd love to see how far they've come. I saw on a Lesics video they might be doing aviation, because of the impressive power to weight of these motors.

[@Grumpy_old_Boot]

@DanFrederiksen You made a generally question regarding why no transmission, and the simple answer to that is, higher efficiency, less weight and less complexity. A normal manual transmission will loose you about 10% of your power, and an average automatic will loose you about 15%, between engine and wheels. A *bad* automatic transmission in poor condition is a whopping 20 - 25% !!! The savings while cruising with direct drive, more than makes up for the extra power used wihle acellerating.

[@homesandloans]

How much did just the motor only weigh?

[@cornelstan5536]

haw many kilometres you can drive 100km/h ? 600 ? like gasoline ?

[@Grumpy_old_Boot]

@DanFrederiksen Offcourse, with an electrical car, you don't need a full gearbox, and you could indeed make a smaller motor with a single gearing on it (no shifting). But then you sacrifice top speed, because the motor would run out of rpm's, or overheat, or suffer mechanical failure. With a full geabox, you end up with at least 6% loss, added weight, complexity, and expenses. Which may offset the very savings you were looking for in the first place. So, Direct Drive have many advantages.

[@stefanweilhartner4415]

wow. this was 11 years ago. now they are in a hybrid ferrari with two of them in the front and soon they are in some AMG versions of mercedes BEV. cool. i downloaded the efficiency curves and saw, that they have an efficiency of almost 98% from 10 to 90% of max rpm. that is insane efficient! i hope that this can be more efficiently produced in the future to bring cost down to see it in average cars like the ID.3. who would not like 10% more range just because of a better motor? i don't know about the cost of this motor, but if it is 500€ more expensive than a conventional one, you would already save 500€ with a smaller battery to get the same range. and then you would still profit from the weight savings and save about 10% money on the electric bill. can you talk a bit more about cost?

[@philipfreeman72]

Are they working on a 40-60 hp. motor for ultralight aircraft ?

[@johnfaulkner6776]

I stopped keeping up after the Lynch motor! Some went into battery powered boats .... they had bags of torque!

[@ElectricCarVideos]

Imagine if I had one of these Yasa motors in my Electric Go Kart!

[@Grumpy_old_Boot]

@LosDTenaces Having made actual tests with RC controlled cars with hub motors, I found it fairly trivial to link the two speed controllers of each motor with the steering servo, so that they would not break traction. Basically goes like this - Turn wheels N degree left ? back off power by x amount on left traction wheel and add y amount of power to the right traction wheel. Simple enough, but takes a lot of testing to get the values right. Gets more complicated with 4 wheel steer though.

[@jimmartin7899]

Induction used for cooking and Manson engine design and you can create a electronic rotary engine you can throttle. Novartis

[@jimmartin7899]

These new electronic rotary motors can be in each wheel leaving lots of space for support components. IE heating and cooling cargo and much more. Lite metal construction can be used to improve the vehicles function. No more fossil fuel use. Novartis

[@roidroid]

@LosDTenaces they don't need diffs if those motors are used in the wheel hub - some electric car designs use this technique. Note that they ARE indeed "small" motors, so it's feasible. But granted, i doubt that's how the engines filmed here are going to be used.

[@viahttp]

So Now Mercedeze and VW has made contract with them to use this motors in their EV. Wow.. Nice.

[@UNITYN]

cracking little video, Its like you've brought back "Tomorrows World" for the 21st century! 10/10 Good luck to YASA motors too. GB doing what we do best Innovation and high end engineering. Good to see.

[@EdgyNumber1]

If these motors are located at the wheels, then one would hope that they are light enough to keep the in spring suspension masses low, otherwise momentum and inertia will be a major problem going over the bumps. neat ideas though.

[@weatheranddarkness]

Very few cars have in-wheel motors for this reason.

[@flechette3782]

Oil isn't "running out", but electric motors are cool. They will dominate only if batteries can advance.

[@Techyindian01]

Watching this video in 2021 👍

[@DanFrederiksen]

@XitUp magnetism is a tiny imbalance due to the motion of the electrons. when the electrons move (electrical current) their effect fade slightly due to relativity. it's not right but you can sort of think of it like a propeller becoming less visible when it spins fast and the force from the protons dominate a bit. that's why magnetism from a ring works out of the sides, not edge on. sideways the effect combines. edge on there is motion towards you and away from you so net zero force.

[@boomerrob9223]

Indeed, magnety things are the future!

[@DanFrederiksen]

@RealitysSuccessor actually you should google a little further :) 4th is about 1:1 in the gearbox but a typical car is two stage gearing. don't forget the diff

[@ReubenAStern]

How much do they cost, and where can I get one?

[@teaeaw3895]

i am in Ethiopia so i can not find access here please?

[@flyhouseoftruth470]

Will that work in a 1991 Ford Ranger, and how would I mount it in?

[@oddsman01]

I like it! Just curious though, what about heat dissipation with 6 or 7 times less mass? Is there an issue with premature stator or rotor wire insulation failure? Edit…this is an old video lol

[@XitUp]

@DanFrederiksen So you would drive a 3 cylinder petrol car, even though you hate them? Seems very strange. How do you get to work? Do you live within cycling/walking distance?

[@bradhaaf4749]

omg love it.. thought of a motor like this so long ago, i thought of it like a maglev train on a circular track the size of a wheel. Never could find one that matched what i was thinking nice to finally see something. Now they just need to use graphene, should improve weight cost and be able to 3d print optimal designs. Then you can make electric planes.

[@amazeddude1780]

Excellent reporting on how magnet-y things push against ferrous iron-y things! Speaking of irony...

[@XitUp]

@DanFrederiksen Seems very strange to despise a particular engine configuration. If you don't mind me asking, what do you drive?

[@LosDTenaces]

@fullychargedshow Thank you for explaining that clearly, sorry for shouting in keyboard font. I only have one question, with differentials in the front or rear of normal cars, their differential allow both wheels to move at different speeds when going around corners, while keeping the same speed strait. But what sort of system do these electric cars have because they have 2 independent motors on each wheel, but obviously they need to give the same power otherwise the car would be out of control?

[@DanFrederiksen2]

@Jesus45U the tesla roadster has a 1:8.27 fixed gearing and over 200km/h top speed. yasa proposes a more than 8 times higher gearing. surely 1600km/h is not strictly speaking required. they are currently producing a 32k$ drivetrain that'll only do 0-100km/h in 6seconds with a 1000kg car. that's not good. I think a 1:3-1:7 fixed ratio is interesting for them. for 1:1 they will need to make their motors much much cheaper

[@christianpaulroldan3662]

What is that at your back near your monitor? is that a speaker or something?

[@Neojhun]

Christian Paul Roldan Harman Kardon Soundsticks.

[@christianpaulroldan3662]

soundssticks?

[@RolandKontson]

Awesome design - modular - put 10 of those on one axle for a freaking bulldozer or something. It would have to be a big decent axle at that.

[@Erichvont01]

Where can I buy these Motor and what are the price ?

[@ProDigit80]

I wonder if these motors are able to run high load, for long time, like propelling a car at 75mph for 3 hours, without overheating?

[@gabrielbor2602]

Anyone knows how much is it cost?

[@ThalassTKynn]

750nm! 100kW! I need one of these as a hub motor on my motorcycle!

[@pxidr]

AC 3-phase synchronous motors seems to be bettter than AC 3-phase induction motors. They have a higher size/power/weight ratio and a better overall efficiency (about 95%).

[@futurepower89]

I love this show.

[@Kelsdoggy]

Love this show Robert

[@pxidr]

You're so lucky to drive electric cars every day... I should go to a Nissan dealer to make a little road test...

[@ssaabroadofficial4031]

Is this motor use for electric motorcycles

[@RenoWeed]

i love E Cars. They are not only the environmental solution for save the world. when more people should decide to buy one. but they are also very beautiful and special cozy designs. hope in near future there will be only E-cars on the street. the planet is only to save when all people do not think too long and decide quick !

[@pinkymd14]

This is sweet! How are they getting that much power?!

[@HeinrichErnst1]

...love it when he starts and says, that he will do the 0-60 test "completely unnecessairy - but I am gonna do it anyway." can´t stand it : )))

[@jessechen998]

does electric gets more efficient when its rpm gets higher or lower?

[@batlin]

Any figures on the amount of energy that can be recovered by regenerative braking with these things? A while back, I heard the state of the art was about 30%.... would be brilliant if that could be improved.