Use FWD electric lock-out clutches -- environmental discussion

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Subject: Use FWD electric lock-out clutches

Author:
Stephen

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Date Posted: 07:49:39 04/29/08 Tue
In reply to: billvon 's message, "Re: Going to build a street legal electric car." on 09:49:29 04/14/08 Mon

Why not use FWD electric lock-out clutches to reduce motor drag?

>
>>Basically, I'm looking at gel pack batteries, and
>>having electric motors mounted to all four wheels.
>>this would allow me to cut out two wheels when I reach
>>cruising speed, saving battery power for increased
>>range and accelleration.
>>
>>Any thoughts?
>
>Good luck on the hub motors. I have not seen any such
>motors that are "ready for prime time." Best you're
>going to do there are the Crystalytes, and they top
>out at about 3kW each.
>
>Cutting out two hub motors will not decrease drag.
>Each motor has a fixed amount of both mechanical and
>magnetic drag, and you'll "pay" that penalty whether
>they are powered or not.
>
>If you are serious about a conversion, a far simpler
>route is to choose a car you like, take the engine
>out, get an adapter plate for the transmission, and
>mount a motor in its place. Such conversions have
>been done hundreds of times with good success.
>
>Lead-acid batteries will get you a range of 40-50
>miles at speeds of 55-60. You'll likely need to beef
>up the car's suspension to handle the weight of the
>batteries.

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Replies:

Subject	Author	Date
one site I found recommended an A/C motor	sci guy	13:05:31 04/30/08 Wed
Re: one site I found recommended an A/C motor -- billvon, 09:21:25 05/13/08 Tue