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Old 07-30-2021, 02:28 PM   #221 (permalink)
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Originally Posted by oil pan 4 View Post
So basically everything was wrong in the alpha and nothing lives on in the next prototype.
I don't know if you can say it was "wrong," (suspension, maybe?) but that it could be improved. The changes all seem incremental. But the last time they went bankrupt it was chasing incremental changes until they ran out of money.

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Old 07-30-2021, 07:06 PM   #222 (permalink)
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Sounds like they redid the body, the aero, how and where the driver sits in the vehicle, made a lot more interior room, made it longer, we know the original suspension is trash, the doors and windows are being completely redone, we know they are at least 3 versions of hub motor from a sellable one
The last time they went under it was because they were trying to go proprietary on everything but the tires.
Either way the shills needed to be fed and the company needed a major hubris check.
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Old 08-04-2021, 02:09 PM   #223 (permalink)
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Old 08-05-2021, 06:18 PM   #224 (permalink)
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Sandy Munro thinks better efficiency, including aero improvements, as well as hub motors are more important for improving future EV's and their range than bigger or better batteries.

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Old 08-05-2021, 06:33 PM   #225 (permalink)
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Which is better for aerodynamics? One one inch diameter driveshaft or three fat orange cables?
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Old 08-05-2021, 07:50 PM   #226 (permalink)
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I really enjoy listening to Sandy, but I have no idea why people ask for his opinion on EV related stuff when it's clear that's not his core competency.

I'm more qualified to comment on the future of EVs than Sandy simply because I know the difference between a GigaWatt and a MegaWatt.

Why is hardly anyone using hub motors if they are superior?

It seems inconceivable they could be more efficient because they are subjected to way more stress, and as a result, require beefier construction and larger tolerances.
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Old 08-05-2021, 09:21 PM   #227 (permalink)
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Quote:
Originally Posted by freebeard View Post
Which is better for aerodynamics? One one inch diameter driveshaft or three fat orange cables?
That depends where they are. However, it sure is hard to bend an axle so that it fits behind or inside suspension parts and it still be able to turn at the same time.

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Originally Posted by redpoint5 View Post
Why is hardly anyone using hub motors if they are superior?

It seems inconceivable they could be more efficient because they are subjected to way more stress, and as a result, require beefier construction and larger tolerances.
Pros and cons. Maybe there are too many cons, but only time will tell. I was watching a YouTube video the other day on why there have been hardly any diesel motorcycles. It's not that they couldn't work, there have been a few that have worked and got great fuel mileage and could run on just about any fuel (which was the goal).
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Old 08-05-2021, 09:56 PM   #228 (permalink)
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Youtube wanted me to see the video as well.

I remember the press when one was introduced. The pitch was that you could walk into any grocery store and buy a bottle of cooking oil and put it in the tank.
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Old 08-05-2021, 11:03 PM   #229 (permalink)
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Quote:
Originally Posted by Isaac Zachary
That depends where they are. However, it sure is hard to bend an axle so that it fits behind or inside suspension parts and it still be able to turn at the same time.
Inside an airfoil sleeve. Portal axle so it aligns with the upper A-arms.

I watched the video. Sandy Munro is a fan. His pitch about instant weight loss in a 40% offset frontal collision would really only apply to open wheel cars. The part about better efficiency contradicts what he was saying earlier about cable length.
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Old 08-06-2021, 10:54 AM   #230 (permalink)
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Quote:
Originally Posted by Isaac Zachary View Post


Pros and cons. Maybe there are too many cons, but only time will tell. I was watching a YouTube video the other day on why there have been hardly any diesel motorcycles. It's not that they couldn't work, there have been a few that have worked and got great fuel mileage and could run on just about any fuel (which was the goal).
I think it's actually the construction methods as they are similar to all airccooled engines by which the heads spontaneously eject at the very high cylinder pressures diesels use.

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