Mailing List flyrotary@lancaironline.net Message #55685
From: Dave <david.staten@gmail.com>
Subject: Re: [FlyRotary] Re: Flywheel sizes
Date: Thu, 14 Jul 2011 00:29:08 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
On 7/14/2011 12:12 AM, William Wilson wrote:


As for whether the manual flywheel could be used in place of the flex plate, I don't know as I don't really understand how the PSRU hooks up.  I know the flex plate is different "somehow" as it takes yet another kind of starter.

Attached is a picture of the proper flex plate, the counterweight is behind the flex plate and out of view.


Easily visible are two of the 4 lightening holes. In between them is a dimple with a hole in it. That dimple and hole is one of the 4 bolt holes that the RD-1 mates to. I'm running from memory here, this picture is from 2005.

The manual flywheel is solid iron and weighs much much more, and does not have the needed mounting holes or lightening holes.

Dave
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