48V, 93 MPH

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Jay   100 mW

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48V, 93 MPH

Post by Jay » Oct 25 2008 7:55pm

Gotta love these guys - almost 100 MPH with a 48V Etek:

http://www.evalbum.com/2142
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Link   100 MW

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Re: 48V, 93 MPH

Post by Link » Oct 25 2008 9:17pm

Eat your heart out, Deafscooter. :P
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etard   1 MW

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Re: 48V, 93 MPH

Post by etard » Oct 28 2008 8:48am

So 60 #'s of batteries? Why not use some Prius or lithium batteries?
This would seem to be your ultracapacitor application.
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svt/r&d   10 W

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Re: 48V, 93 MPH

Post by svt/r&d » Oct 28 2008 6:58pm

etard wrote:So 60 #'s of batteries? Why not use some Prius or lithium batteries?
This would seem to be your ultracapacitor application.
Thats EZ $$$$$$$$
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fechter   100 GW

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Re: 48V, 93 MPH

Post by fechter » Oct 28 2008 11:06pm

Yep, lead is cheap. That's why I still use it.

In a speed run like that, the extra weight is not that much of a disadvantage since you have plenty of time to accelerate. And it's flat...
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cerewa   100 W

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Re: 48V, 93 MPH

Post by cerewa » Oct 30 2008 1:25pm

In a speed run like that, the extra weight is not that much of a disadvantage since you have plenty of time to accelerate. And it's flat...
The extra weight is an advantage, maybe, in the sense that you do anything you can do to keep the thing going in a straight line with all of its wheels on the ground....
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safe   100 GW

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Re: 48V, 93 MPH

Post by safe » Nov 11 2008 9:46am

Image

This is proof that with good aerodynamics you can produce some serious speed. I wonder how much power they are developing? I would guess that they are up into the 12 hp range because that's how the Etek is rated at that voltage if you can pull the amps. The Etek is capable of up to 300 amps.

The Human Powered record is 80 mph, so they should be able to eventually get up to 120 mph if they keep improving things.
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