Here is an interesting idea.
the spring keeps the heat shield spaced out
from the tangential muffler and allows air to
flow through for cooling.

Paul Lamar

Gary Buster wrote:

Do the springs have a resonation BUZZZZZZ???.

Gary Buster
Tyler, Texas-- 

He did not mention it. Perhaps I will happen by when he runs the
engine sometime.

Paul Lamar
 
The AirCraft Rotary Engine NewsLetter.              Powered by Linux.

http://home.earthlink.net/~rotaryeng/            http://www.linux.org