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Re: Need speed switch for DIY funicular/hillside elevator



astutesolutions@xxxxxxxxxxxxx wrote:

>> I really have no idea how big an electric motor needs to be to act as a
>> brake when it is generating electricity into a resistive load (as shown in
>> the first link I cited) but, individual motors on the wheels of the tramcar
>> might be another possibility.
>
>That would require a battery to energize the stator (I think) and I
>don't want to have any electronics (other than the remote) on the cart.
> Besides, those wheels took me the whole weekend to get right, I don't
>want to touch them again if I can help it, lol.

I don't think so. A permanent magnet DC motor will act like a generator when
driven. The question is what size is needed.

http://davehouston.net
http://tech.groups.yahoo.com/group/roZetta/
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