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From: Dale Rogers <rogersda@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] PM alternator (was: Re: gear drive for distributor and oil metering)
Date: Thu, 9 Dec 2004 11:29:30 -0500
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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.