dean van winkle wrote:

Paul

The Beech Twin-Bonanza and Queenair, and the Aerocommander all used exhaust augmented cooling.  Even with special perforated liners ( something distantly akin to glaspacks) , they are LOUD.  I believe that a similar arrangement would do very little to muffle the rotary exhaust level.

Dean
RV-9A
13B

 
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