Re: (ET) 12V winch - PWM controller from scooter

[David C Robie <mycroftxx1 juno com>]

Controllers;  some of em aren't for 2 wire DC motors, they are for the
brushless type, some of em got more wires going to the motor than I can
count up to.  So be sure you specify (or they specify) that it's for a
brush type motor.

Dave
Weymouth MA



On Thu, 31 Aug 2006 22:35:23 -0400 JBR <reinharj frontiernet net> writes:
> If you can find a junked one of those kids scooters that runs on 36 
> volts, you 
> might be able to pull the motor speed control module out of it, and 
> use it to 
> control the winch motor.  One I found with cracked frame had a good 
> motor and 
> controller in it.  Motor was only rated 400 watts, so controller is 
> about 
> same.
> 
> Related to that, you might check Ebay, or otherwise online for 
> Scooter type 
> motor speed control only - I think I saw them for $20 or $30 a month 
> ago.
> 
> IF they are not rated for enough current, the circuit might be easy 
> to modify, 
> by adding FET's in parallel.
> 
> On Thursday 31 August 2006 4:42 pm, et jpjt net wrote:
> > Hump, the problems I have with the winch (Superwinch 1500) are it 
> is too
> > strong and too fast. Running at 36V would make it faster (and 
> stronger?)
> > and that would be a bigger problem. Already I have to use some 
> kind of
> > disposable sacrificial link between the strap and the implement so 
> as to
> > avoid ripping the fixture right off the implement.  I use a 1.5" 
> or 2"
> > diameter split ring (keyring).  When the snowblower is all the way 
> up
> > against the stop and I haven't managed to get my finger off the up 
> switch,
> > the split ring uncoils and stretches so that nothing breaks.  I've 
> been
> > trying to brainstorm some kind of fairlead mounted on a spring arm 
> so I can
> > get a visual indication of imminent damage, but I haven't got 
> anything yet.
> >
> > The other possibility I've been considering is some way of 
> implementing a
> > limit switch, but that would need a different setup for each 
> implement, and
> > has other electromechanical issues.
> >
> > Still thinking...
> >
> > Joel
> >
> 
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