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Date: Fri, 03 Feb 2012 16:15:05 -0500
From: Ernest Christley <echristley@att.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: New Flywheel for RD-1x redrives
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Gordon and Tracy

Todd described what he had to do to make the Harley generator work with the RD-1 here:

http://lancair.net/lists/flyrotary/Message/45942.html?Language=?altLanguage=

If eliminating the damper plate gives back 1/2", it looks like the Harley generator would be an easy install.

Gordon Alling wrote:
> Tell us more about this in-line generator.  This is the first I've heard of
> it and it sounds interesting.  Is it a commercial product?  From whom?
> 
> Gordon C. Alling, Jr., PE
> President
> acumen Engineering/Analysis, Inc.
> 
> 540-786-2200
> www.acumen-ea.com
> 
> 
> -----Original Message-----
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
> Behalf Of Ernest Christley
> Sent: Friday, February 03, 2012 2:33 PM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: New Flywheel for RD-1x redrives
> 
> Tracy wrote:
>> Don't know the dimensions of the generator in question but one of the
>> design goals was to change as little as possible, so the distance
>> between engine and gearbox was unchanged.
>>
> Off the top of my head, the rotor is 1.25" deep, and would need a 6" dia
> flat on the engine side of the gap, centered on the shaft.  The stator
> fits completely inside the rotor, so it only needs 1/8" to allow for
> routing the wires out.  If the space has been expanded even a small
> amount, it should allow for a relatively easy addition of a compact 38A
> generator, eliminating belts and pulleys.  I only have a microscopic
> amount of time on mine, but it has been working so far.
> 
> --
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