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Date: Thu, 19 Aug 2004 16:22:47 -0400
From: echristley@nc.rr.com
Subject: Re: [FlyRotary] Re: which book to buy?
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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----- Original Message -----
From: keltro@att.net (Kelly Troyer)
Date: Thursday, August 19, 2004 2:21 pm
Subject: [FlyRotary] Re: which book to buy?

> Ernest,
>    Snap me a photo (up close) of your front cover
including the
> oil metering pump mount pad. What do you know
about this
> 13B? Has it been overhauled? Has there been any
mixing and
> matching of parts from different year models,etc?
Do you have
> any way of finding out what year donor car the
engine came from?
>  Perhaps we can figure out what year engine came
from without
> opening it. On that note you can determine rotor
model year by
> examining the combustion cavity. The 86-89-1/2
have the cavity
> cast in the rotor face. The 89-1/2-95 have the
cavity machined
> in the rotor face. FWIW
> --
> Kelly Troyer 
> Dyke Delta/13B/RD1C/EC2 
> 
>

I'll get the picture tonight.  The motor was rebuilt
by Bruce Turrentine many years ago.  It wasn't
zeroed timed then (the rotor housings weren't
replaced), so the plan is to tear it completely down
and treat it as a junkyard part.

I'll also see if this new camera can take a picture
of the rotor faces through the exhaust ports.