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FWIW Dept.
It might be worth reviewing this page:
http://home.hiwaay.net/~langford/corvair/dynamo.html
since it was updated in August. Of special interest is the reference to 35A unit, at the bottom of the page.
Dale R.
COZY MkIV #1254
From: Ernest Christley <echristley@nc.rr.com>
Date: 2004/12/08 Wed AM 11:03:35 EST
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: gear drive for distributor and oil metering
pump
David Carter wrote:
> Output Alternator Alternator . . . Regulator . . . . Regulator
> Amps . . . . P/N . . . . wt & cost . . . . P/N. . . . . . . . . .wt & cost
> . . . Total cost & wt
> > . . 20 . . AM877557 . 1.81#, $145.49 . AM101406 . . 0.2# $66.56 . .
> $212.05 & 2.01#
> > The above info is an extract from 1st line of a spreadsheet about John Deere
> PM alternators.
> > On 2 Apr 2003, Ned Thomas reported:
> "I went to the local John Deere dealer and bought the 20 amp PM alternator.
> I then bought a 14 amp PM alternator that is used on the 3 cylinder diesel
> Kubota engines. It is 2 lbs lighter than the 20 amp and I think is adequate
> for a backup alternator. Fell free to give me a call to discuss further.
> . . . Ned Thomas, 405-360-4298, Norman, OK, RV9A"
> David, I've been counting on a minimum of 20A to just run the engine...13 for the ignition and fuel pumps and 7 for the EWP. I would like to see 35A for reliable system power in a VFR panelled airplane, and I don't believe that will be to hard to achieve.
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