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From: "Phil Allison"
References: <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org>
Subject: Re: Help - Power mosfets - difficult load
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Tue, 22 Oct 2002 23:28:41 +1000
NNTP-Posting-Date: Tue, 22 Oct 2002 23:19:44 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
"George Gonzalez" wrote in message
> A late thought- should have been my fiest question-- are you
> really sure you need the torque and RPM's of a car starter motor?
> What is the maximum anticipated pull? What max pull speed do you need?
> If you're talking about your standard model airplanes, with engine HP much
> less than 1 HP, then you probably don't need the torque of a car starter
> motor-- something more like a car antenna motor sounds like a much closer
> I suspect a car starter motor could tether anything up to a DC-3
** In fact a DC-3 usually has two 1200 horsepower, 14 cylinder, Pratt
and Whitney radial engines to get it moving along at a modest speed.
A car starter motor is widely used for the job Bill Allison is
intending - but with a simple resistor bank and switch to vary the rpms.
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