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Thanks Lynn,
I plan on fiberglass skin instead of fabric on the Delta's center-section belly and
very aggressive insulation for sound around the cockpit area..............I very much
appreciate your opinions...............
Thanks Again,
--
Kelly Troyer
"Dyke Delta"_13B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifold
-------------- Original message from Lynn Hanover <lehanover@gmail.com>: --------------
Lynn,
Another thought.............What do you think an "Extractor" system (In my "Delta's" case
one on each side of the bottom "V") consisting of large diameter tubes (5-6" ?) exiting
behind the cockpit with 2" tubes down the middle and open to forward motion and prop
blast would do to noise level ??.............
Kelly Troyer
Just a guess. The sound is conducted out the front of the tube as well as the back.
Having such a tube around the exit of each pipe might have some good effect. At least worth a try.
Or even end the pipes inside such a tube as a Swiss muffler. Sound control with a fabric skin will be tough.
Lynn E. Hanover
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