<br><font size=2 face="sans-serif">Who's pressing for lower noise? <br>
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Gray Fowler<br>
Principal Chemical Engineer<br>
Composites Engineering</font>
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<td><font size=1 face="sans-serif"><b>"wgalligan" <wgalligan@cnbcom.net></b></font>
<br><font size=1 face="sans-serif">Sent by: discussion-request@nsrca.org</font>
<p><font size=1 face="sans-serif">05/29/2003 04:10 PM</font>
<br><font size=1 face="sans-serif">Please respond to discussion</font>
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<br><font size=1 face="sans-serif"> To: <discussion@nsrca.org></font>
<br><font size=1 face="sans-serif"> cc: </font>
<br><font size=1 face="sans-serif"> Subject: Re: Speaking of power</font></table>
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<br><font size=2 face="Arial">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.</font>
<br><font size=2 face="Arial"> Why is it that the pattern planes are some of the quietest yet we are still pressed for lowering the db even more?</font>
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<br><font size=2 face="Arial">WG</font>
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<br><font size=3 face="Times New Roman">----- Original Message ----- </font>
<br><font size=3 face="Times New Roman"><b>From:</b> </font><a href=mailto:d.pappas@kodeos.com><font size=3 color=blue face="Times New Roman"><u>Dean Pappas</u></font></a><font size=3 face="Times New Roman"> </font>
<br><font size=3 face="Times New Roman"><b>To:</b> </font><a href=mailto:discussion@nsrca.org><font size=3 color=blue face="Times New Roman"><u>discussion@nsrca.org</u></font></a><font size=3 face="Times New Roman"> </font>
<br><font size=3 face="Times New Roman"><b>Sent:</b> Thursday, May 29, 2003 3:55 PM</font>
<br><font size=3 face="Times New Roman"><b>Subject:</b> RE: Speaking of power</font>
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<br><font size=2 color=blue face="Arial">Thank You for making my point Tony ... actually I am even more concerned with the subjective in-the-air noise.</font>
<br><font size=2 color=blue face="Arial">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).</font>
<br><font size=2 color=blue face="Arial">I don't even look at the meter anymore: my ears are tougher!</font>
<br><font size=2 color=blue face="Arial">Dean</font>
<br><font size=2 face="Tahoma">-----Original Message-----<b><br>
From:</b> Tony Stillman [mailto:tony@radiosouthrc.com]<b><br>
Sent:</b> Thursday, May 29, 2003 4:17 PM<b><br>
To:</b> discussion@nsrca.org<b><br>
Subject:</b> Re: Speaking of power<br>
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<br><font size=2 face="Arial">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...</font>
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<br><font size=3 face="Times New Roman">Tony Stillman<br>
Radio South<br>
3702 N. Pace Blvd.<br>
Pensacola, FL 32505<br>
1-800-962-7802</font><font size=3 color=blue face="Times New Roman"><u><br>
</u></font><a href=http://www.radiosouthrc.com/><font size=3 color=blue face="Times New Roman"><u>www.radiosouthrc.com</u></font></a>
<br><font size=3 face="Times New Roman">----- Original Message ----- </font>
<br><font size=3 face="Times New Roman"><b>From:</b> </font><a href=mailto:getterflash@yahoo.com><font size=3 color=blue face="Times New Roman"><u>Bob Kane</u></font></a><font size=3 face="Times New Roman"> </font>
<br><font size=3 face="Times New Roman"><b>To:</b> </font><a href=mailto:discussion@nsrca.org><font size=3 color=blue face="Times New Roman"><u>discussion@nsrca.org</u></font></a><font size=3 face="Times New Roman"> </font>
<br><font size=3 face="Times New Roman"><b>Sent:</b> Thursday, May 29, 2003 12:09 PM</font>
<br><font size=3 face="Times New Roman"><b>Subject:</b> Speaking of power</font>
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<br><font size=3 face="Times New Roman">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.</font>
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Bob Kane</font><font size=3 color=blue face="Times New Roman"><u><br>
</u></font><a href=mailto:getterflash@yahoo.com><font size=3 color=blue face="Times New Roman"><u>getterflash@yahoo.com</u></font></a><font size=3 face="Times New Roman"> </font>
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