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Tiny electric motor can produce more than 1,000 horsepower

supercarblondie.com

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Re: Tiny electric motor can produce more than 1,000 horsepower

#111

Post by OvervCW »

mrtksn wrote: post #50
agys wrote: post #18

Everything but the Metric System: “The new YASA axial flux motor weighs just 28 pounds, or about the same as a small dog.” :)

I wonder if Americans don't have a mental image for measurement units so that they alway use some physical object as a reference. Sure, its useful to use a common object as a reference but I don't see that much often in other places. Most people usually understand what it means something to be 20 meters, 5kg or 2 liters intuitively. Like, when I hear that something is 60m tall I intuitively think if it as 20 story ap…

Which is strange, since one of their measurement units is literally based on a body part.

Re: Tiny electric motor can produce more than 1,000 horsepower

#112

Post by 7952 »

thelastgallon wrote: post #96
davedx wrote: post #6

Could lead to significant efficiency gains for EV's, because 1/4 of the motor weight means better power-to-weight ratio... a lot of things will automatically get better. YASA was founded in 2009, a spin out from Oxford University following the PhD of founder and still CTO, Dr Tim Woolmer. "Over the decades that followed both of these technologies were explored. But despite the potential for weight reduction, smaller…

> This is awesome. Lighter motors also make electric flight more viable The next innovation we need is Aerial refueling[1] for electric planes. High density swappable batteries and high altitude wind/solar plants that can swap batteries mid air. Perhaps some billionaire will develop a large fleet of these to service all flights! If no western billionaires, we just have to wait for China to develop this tech. [1] http…

Surely it would be easier to recharge rather than swap batteries? I wonder if in the future war will be like a turn based strategy game as everyone wait for drones to recharge before making a move.

Re: Tiny electric motor can produce more than 1,000 horsepower

#113

Post by iamtheworstdev »

philipwhiuk wrote: post #80
qwertox wrote: post #44

Earlier quoted context omitted.

Tesla, Inc. (TSLA) – ~ US$1.50 trillion Mercedes‑Benz Group AG (MBG.DE) – ~ US$62 billion

MBG AG: Revenue - €153.2 billion (2023) Production output - 2,491,600 -- Tesla: Production output - 1,773,443 vehicles (2024) Revenue - US$97.7 billion (2024) -- Maybe Tesla is just hillariously overvalued and MBG AG can afford them once the hype bubble implodes.

when the hype bubble implodes.. Tesla doesn't exist anymore. None of their perceived future value is based on automobiles.

Re: Tiny electric motor can produce more than 1,000 horsepower

#114

Post by lloeki »

thelastgallon wrote: post #90
zufallsheld wrote: post #63

Earlier quoted context omitted.

I guess you're in the minority here. In Germany, everything Remotely large will be measured in football fields or "Saarlands".

Whats the speed of light in football field terms?

Approximately 7 708 937 142 soccer fields per half time.

Re: Tiny electric motor can produce more than 1,000 horsepower

#115

Post by varispeed »

exasperaited wrote: post #109
thelastgallon wrote: post #76

Earlier quoted context omitted.

But why limit only to cars? Can this be used for motorcycles, e-bikes, electric buses, train wheels, e-unicycles, electric golf carts, etc? There are probably a range of application where in-wheel makes perfect sense.

Motorcycles I could imagine. Do e-bikes really need significantly more power than they have? They already run arguably dangerously fast for their application. Is efficiency not the primary target there?

If engine can be produced cheaply, can it be limited "in software"? It's like saying people shouldn't use Rasberry Pi to blink an LED.

Re: Tiny electric motor can produce more than 1,000 horsepower

#116

Post by gushie »

thelastgallon wrote: post #96
davedx wrote: post #6

Could lead to significant efficiency gains for EV's, because 1/4 of the motor weight means better power-to-weight ratio... a lot of things will automatically get better. YASA was founded in 2009, a spin out from Oxford University following the PhD of founder and still CTO, Dr Tim Woolmer. "Over the decades that followed both of these technologies were explored. But despite the potential for weight reduction, smaller…

> This is awesome. Lighter motors also make electric flight more viable The next innovation we need is Aerial refueling[1] for electric planes. High density swappable batteries and high altitude wind/solar plants that can swap batteries mid air. Perhaps some billionaire will develop a large fleet of these to service all flights! If no western billionaires, we just have to wait for China to develop this tech. [1] http…

Apologies for the turbulence, we're just flying through a thunderstorm to top up the batteries

Re: Tiny electric motor can produce more than 1,000 horsepower

#117

Post by mattmaroon »

thelastgallon wrote: post #88
mrtksn wrote: post #50

Earlier quoted context omitted.

I wonder if Americans don't have a mental image for measurement units so that they alway use some physical object as a reference. Sure, its useful to use a common object as a reference but I don't see that much often in other places. Most people usually understand what it means something to be 20 meters, 5kg or 2 liters intuitively. Like, when I hear that something is 60m tall I intuitively think if it as 20 story ap…

It helps to understand that the only freedom Americans only cared for (and the only freedom they have left from the looks of it) is the freedom to choose standards of measurement and vocabulary. This will provide historical context: https://www.youtube.com/watch?v=JYqfVE-fykk (Washington's Dream - SNL)

Huh? Britons get locked up for social media posts. Most of the world doesn’t have guns. And among the first world we’re the only ones free to go bankrupt from medical bills!

Our problems don’t stem from lack of freedom, they stem from too much of it.

Re: Tiny electric motor can produce more than 1,000 horsepower

#118

Post by TJSomething »

exasperaited wrote: post #109
thelastgallon wrote: post #76

Earlier quoted context omitted.

But why limit only to cars? Can this be used for motorcycles, e-bikes, electric buses, train wheels, e-unicycles, electric golf carts, etc? There are probably a range of application where in-wheel makes perfect sense.

Motorcycles I could imagine. Do e-bikes really need significantly more power than they have? They already run arguably dangerously fast for their application. Is efficiency not the primary target there?

While more power may not make sense, less weight is an easy way to get more efficiency. And if you can keep the same power at a lower weight, that's a win.

Re: Tiny electric motor can produce more than 1,000 horsepower

#119

Post by ajross »

davedx wrote: post #6

Could lead to significant efficiency gains for EV's, because 1/4 of the motor weight means better power-to-weight ratio... a lot of things will automatically get better. YASA was founded in 2009, a spin out from Oxford University following the PhD of founder and still CTO, Dr Tim Woolmer. "Over the decades that followed both of these technologies were explored. But despite the potential for weight reduction, smaller…

> Could lead to significant efficiency gains for EV's

Not really. EV's are very heavy from non-motor weight. A Model Y weighs ~4300 lbs. A motor that is 75 lbs lighter is a 1.7% savings. That's not nothing, but I wouldn't say "significant". You can do better by swapping for fancy wheels or eliminating some of the glass roof.

And really this is true up and down the electric vehicle world. Weight-sensitive applications are always going to be completely dominated by battery weight. Making the motor smaller just isn't going to move the needle.

Basically this is good tech without an application, which is why it's having to tell itself with links like this.

Re: Tiny electric motor can produce more than 1,000 horsepower

#120

Post by mattmaroon »

inglor_cz wrote: post #82
agys wrote: post #18

Everything but the Metric System: “The new YASA axial flux motor weighs just 28 pounds, or about the same as a small dog.” :)

Is even a 13 kg dog "small"? It certainly does not feel small if you are carrying it upstairs.

While there’s no formal definition, I think it isn’t. It would be considered medium sized. I live with a 4 lb dog.

I’d say 25-50 lbs would be medium, small below that and large above.

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