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Interesting we have two different theories, with opposite conclusions. There should be lot's of ways to convert these theories to facts. If his exhaust eventually fails at the clamp point, that would be pretty decent indication. I hate attribute (good/ bad) testing. Oh well....
-al wick
----- Original Message ----- From: "Ernest Christley" <echristley@nc.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Tuesday, June 10, 2008 6:17 AM
Subject: [FlyRotary] Re: Exhaust and Muffler designs.
The tailpipe on a car is connected to the frame, which moves relative to the engine. Al G. has his firmly attached to the PSRU. If it moves relative to the engine, then I don't think he'll be worrying about his muffler much. Looks like the way he has it mounted, there would be some longitudinal flexing to allow for heat expansion of the pipe, but it would be very resistant to any vertical movement relative to the engine. A soft mount would be counterproductive in this case.
--
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-Al Wick
Cozy IV powered by Turbo Subaru 3.0R with variable valve lift and cam timing.
Artificial intelligence in cockpit, N9032U 240+ hours from Portland, Oregon
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