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Old 10-05-2007 | 08:39 PM
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rcprecision
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Default RE: Sound-level with new engines
Attached to the end of the stingers are Pics of exhaust diffuser Mike is referencing produced by Karl Mueller mounted on my Integral and Twister. Karl can be contacted @ [email protected].

Foam in spinner + Hyde mount with CH nose ring + APC 15X11 4 blade @ 8700rpms + CH intake filter in addition to no rattling airframe parts = 92 db measured on hard surface at this year's NATS







Attached Thumbnails Click image for larger version Name: Ay74311.jpg Views: 21 Size: 59.5 KB ID: 777158   Click image for larger version Name: Xv64588.jpg Views: 21 Size: 80.9 KB ID: 777159  
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