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Old 11-10-2005, 04:49 AM
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Buzz Lightyear
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Join Date: Apr 2004
Location: Canberra, AUSTRALIA
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Default RE: DA-50 noise restrictions?
Guys

Noise test result done today with a brand new calibrated noise meter.

C-ARF Extra 2x2 with DA50 and KS1060 swinging a 2 blade Mejzlik 22x12 at 6400rpm.

First test 94.9db at 3m on grass with aluminium spinner
Second test 90.9db at 3m on grass without aluminium spinner!!!

Each test was done 3 times cause I couldn't believe my eyes. I was told that an aluminium spinner made a lot of noise but.......

Cheers

Buzz
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