Subject: CRACKS AND SIDE PLATES
From: Paul
Date: 9/1/1999, 12:41 PM
To: zz

X-Mozilla-Keys:                                                                                 
J. S. STROM wrote:

Gentlemen:
 I am relatively new to the news letter, as I have been only following it
for a week or so.  I do have some comments that may be of value to you.

1. Cracks on the cover:  Frequently features that look like cracks on
diecast aluminum parts are oxide inclusions in poor flow areas of the
casting that occur during the casting process from various causes including
dirty metal , tools ,etc., and frequently are found near the edges and
corners of various features.  Usually they are not very deep or very sharp
on their "crack tip radii".

2. Aluminum side plates:  It is my understanding that Racing Beat in
Anaheim, CA manufactures a part like this for the racers.

3. Question:  Does any one know of a source of detailed information
regarding the geometry of any of these engines that would be suitable for
designing one from scratch such that some of the Mazda parts could be
compatible?  I have considered building one , or parts for one, more suited
for small aircraft.

Thanks
Scott

Scott see our wankel type rotary engine literture list on the ACRE NL
web site below.

Paul Lamar
 
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