Speaking of power
David Harmon
k6xyz at attbi.com
Thu May 29 20:49:09 AKDT 2003
Leading is one thing....getting the rest of the non competition modelers
to follow is quite another.
Dave NSRCA 586
-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
On Behalf Of Ed Miller
Sent: Thursday, May 29, 2003 4:25 PM
To: discussion at nsrca.org
Subject: Re: Speaking of power
We all should be. The number of flying sites lost each year, especially
on the east and west coasts due to noise, is a crime. Long term noise
reduction/enforcement for all models should be an AMA priority, plan and
goal. Unfortunately the almighty buck spent on advertising seems to get
more attention and takes priority. Pattern flyers as a community have
and should continue to lead by example in this arena.
Ed M.
----- Original Message -----
From: Gray E <mailto:gfowler at raytheon.com> Fowler
To: discussion at nsrca.org
Sent: Thursday, May 29, 2003 6:35 PM
Subject: Re: Speaking of power
Who's pressing for lower noise?
Gray Fowler
Principal Chemical Engineer
Composites Engineering
"wgalligan" <wgalligan at cnbcom.net>
Sent by: discussion-request at nsrca.org
05/29/2003 04:10 PM
Please respond to discussion
To: <discussion at nsrca.org>
cc:
Subject: Re: Speaking of power
Based on all other models... our pattern planes are by far the quitest
airplanes in the air. I have seen a few IMAC's that have the noise down
some but they still get a good prop rip at speed. The .15 to .60 size
engines make an iratating high pitch whine.
Why is it that the pattern planes are some of the quietest yet we are
still pressed for lowering the db even more?
WG
----- Original Message -----
From: <mailto:d.pappas at kodeos.com> Dean Pappas
To: <mailto:discussion at nsrca.org> discussion at nsrca.org
Sent: Thursday, May 29, 2003 3:55 PM
Subject: RE: Speaking of power
Thank You for making my point Tony ... actually I am even more concerned
with the subjective in-the-air noise.
I fly at a beautiful and genuinely noise-sensitive site (1/4 mile from
the site of Washington's crossing the of the Deleware on the Jersey
side).
I don't even look at the meter anymore: my ears are tougher!
Dean
-----Original Message-----
From: Tony Stillman [mailto:tony at radiosouthrc.com]
Sent: Thursday, May 29, 2003 4:17 PM
To: discussion at nsrca.org
Subject: Re: Speaking of power
Actually, it's 2 db OVER if your flying at the Team Selection Contest!
Yes, these high-power engines turn bigger props, so noise is a factor...
Tony Stillman
Radio South
3702 N. Pace Blvd.
Pensacola, FL 32505
1-800-962-7802
<http://www.radiosouthrc.com/> www.radiosouthrc.com
----- Original Message -----
From: <mailto:getterflash at yahoo.com> Bob Kane
To: <mailto:discussion at nsrca.org> discussion at nsrca.org
Sent: Thursday, May 29, 2003 12:09 PM
Subject: Speaking of power
Has anyone measured the sound levels of the larger two strokes turning
the big props? We measured a YS140DZ with ES pipe turning a 17X12 APC
and came up with 96dB, right on the limit. Just curious.
Bob Kane
<mailto:getterflash at yahoo.com> getterflash at yahoo.com
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