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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

#92
post #75
post #55

Earlier quoted context omitted.

> The link you're quoting, the one posted, is a second hand US report. You can tell, because a proper Brit would have given it as 2 stone, not 28 pound.

That seems unlikely, a proper Brit would know that a stone is defined for body weight (14 avoirdupois pounds), Wool (14, 15, or 24 pounds depending on wool class), Wax (12 pounds), Sugar and spice (8 pounds), or for Beef and mutton (8 pounds). ( Of course Scottish Britains used 16 Scottish pounds for a Scottish stone ). The point being that 'precious' metals used a different weight measure altogether .. (common lead…

Prior to the Revolution, in France alone there were allegedly 250 thousand various units in use! (All sorts of units, not just length.)

It didn't help that pre-Revolutionary France was a political Frankenstein stitched together from dozens of regions with completely different history (Celtic Brittany, Flemish Dunkirk, Germanic Alsace, Provencal South, Catalan Roussillon, Italian Nice) and thus very different local standards of everything, including measurements and law.

Unification of units removed a massive constraint on international trade and engineering. Except the US and Myanmar, of course... it is so frustrating to order anything from Myanmar e-shops, I must say. But Myanmar is at least promising to move on.

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

#94
post #37

Earlier quoted context omitted.

Ok, now I understand why this motor is only used in supercars - installing four (or even only two - according to https://www.mercedes-benz.de/passengercars/technology/concep... , even the AMG GT-XX has "only" three of them) hub motors with twice the power of a Tesla Model 3 in any other car would be ridiculous. So, the actual challenge is to make this motor even smaller while keeping the same power to weight ratio, s…

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.

Donut Labs markets a whole suite of axial flux motors. Sized from scooters through to large trucks. But no public pricing.

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

#96
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]https://en.wikipedia.org/wiki/Aerial_refueling

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

#97
post #21
post #10

EV motors are not that heavy. Ok it is 1/4 of a tesla motor but would that make much of a difference compared to the rest of the car since the weight of an EV motor is in single % of the entire weight. Sounds like it could be more important for drones?

Saving up even few % of weight while not compromising on comfort/safety is a holy grail for any decent car manufacturer. Not sure why the negatives in this thread (maybe too many folks hold TSLA stock?), this is properly awesome (r)evolution.

I do not know why people still think Tesla is a unique company. They are a regular car company now. Nothing more, nothing less. Yes, they disrupted the market and the reward is a standalone, viable car company. That is a huge achievement. But their disruption and uniqueness is gone. The rest of the car industry woke up and all are producing many more EV variants and EV cars in total.

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

#98
post #35
post #9

Earlier quoted context omitted.

Yea that's the thing right, the battery is so very much of the weight that optimizing the other parts are "meh" at this point. What is cool is that the 600Wh/kg solid state batteries seems like they are really finally here soon :) i.e removing 200-300kg from a car in one go will be a game changer.

No wonder electrics don't sell well in the US. People weigh more, you're basically saying that leaving grandma at home, is a "game changer".

That's true only if your very large "grandma" must at all cost sit on your batteries at all times.

If we could indeed leave "grandma" home, that would make things better.

And they don't sell well in the US because of oil lobbying and think tanks whose sole goal is to make you buy more oil.

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

#99
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…

Americans do not do metric. Americans can’t even balance a checkbook. Hence the small dog reference for mental “clarity”. We’re dumb. Just look at the news…

I don't think it's fair to insult all US citizens because of your personal shortcomings.

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

#100
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.” :)

Americans are very weird when it comes to metric. They often quote mobile phones as having something like "a six inch screen size but now only 12mm thick" - pick a measurement system people !
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