Noise Limits for FAI

[vicenterc at comcast.net]

Hi Bill,

Did you check wiht 3 or 4 blade prop?  Probably you could reduce it wiht those props.

Vicente

-------------- Original message -------------- 

> Group 
> 
> For a YS 160 what prop and exhaust will get me to 94dB(A) and work well. 
> 
> Currently using a 17 x 12 wide with EX Composite pipe and 30 percent Nitro. 
> Today at about 101 degrees heat index my plane measured about 98dB(A) with a 
> Radio Shack meter. 
> 
> Thanks 
> Bill 
> 
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