Noise Limits for FAI

[Aviram Arbel]

Hi Bill
I'm using APC 4 blade 15.5X12 30% CP - 87-89 DB 
 
Aviram

________________________________

From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org] On Behalf Of vicenterc at comcast.net
Sent: Monday, June 27, 2005 3:50 AM
To: discussion at nsrca.org; discussion at nsrca.org
Cc: William Ahrens
Subject: Re: Noise Limits for FAI


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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