<DIV>I have also used the RS meter and found that it does a good job. Mine correlated very closely to the readings that were taken of my plane at the '93 Nats.</DIV>
<DIV> </DIV>
<DIV>Bob R.</DIV>
<DIV><BR><BR><B><I>John Pavlick <jpavlick@idseng.com></I></B> wrote:</DIV>
<BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">Does anybody know the requirements for a sound level meter capable of<BR>testing for AMA noise requirements? I've found a few that measure A and C<BR>weighted response. Some are IEC Type 2 compliant. Is this good enough for<BR>AMA standards? Also, there's no spec. for the measured frequency range<BR>requirement. All meters specify a range (i.e. 30Hz - 12KHz). What range does<BR>an AMA approved measuring device have? There must be a list of requirements<BR>somewhere, otherwise it's going to be a guessing game. It's not like buying<BR>a tape measure.<BR>I've been thinking of getting one for several reasons. First, I want to<BR>test some of the planes at my club field to get an idea of how much noise<BR>the average sport model generates compared to a lawnmower or a weed whacker.<BR>Second, I would like to include a noise measurement for the airplanes that I<BR>write magazine reviews for.
I think it would be a good idea for the general<BR>public to see that most pattern planes are VERY QUIET - I don't think they<BR>realize this.<BR><BR>John Pavlick<BR>http://www.idseng.com<BR><BR></BLOCKQUOTE>