This is from SAE paper 92059 Showa Aluminum and Honda.
Everything is based on the Honda rad used in 1990 or so.
One might be able to relate this data to one of those
rads as everything here is relative. No real numbers.
This just indicates designs trends.

Paul Lamar
 
The AirCraft Rotary Engine NewsLetter.              Powered by Linux.
ACRE NL web site.
http://home.earthlink.net/~rotaryeng/            http://www.linux.org