Mailing List flyrotary@lancaironline.net Message #43124
From: Greg Ward <gregw@onestopdesign.biz>
Subject: Re: [FlyRotary] Mufflers
Date: Sun, 8 Jun 2008 14:23:27 -0700
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
That someone was me Todd, and I said it somewhat with tongue-in-cheek.  I will start out with the turbo, and no muffler on the ground testing phase, and check the noise levels at different rpm's, and then make a determination if some sound suppression is necessary.  I have been in Lancairs with conventional installations, and they are not exactly the quietest on the ramp.  What irritates me more, is the choppers hanging overhead, sometimes for hours at a time, when there is a wreck on a nearby freeway, and TCA lets them hang there forever, getting their news at 5:00.  So, saying the unmuffled Rotary is the worst offender, is not exactly a truism.  I can point out a certain Stearman at HMB, that makes the rotary sound mute.....my point is, that each installation is different, and I don't want to end up a statistic just to sooth someone's sensitive ears.
Greg Ward;
Lancair 20B, a little further down the Road 
 
----- Original Message -----
Sent: Sunday, June 08, 2008 11:22 AM
Subject: [FlyRotary] Mufflers

Yesterday someone said something to the effect that since the muffler posed so many risks he was going to omit it and get a good pair of noise canceling headsets instead. You really need to reconsider this. All of general aviation needs to address this, but us rotary enthusiasts in particular. No other motor vehicle is allowed to operate in public with out a muffler (other than at raceways, etc.). The growing green movement is demanding an end to all the fun that we powersport enthusiasts enjoy, and when we call their attention every time we fly over, they will make more noise of their own.

            As the unmuffled rotary is perhaps the worst offender, we even have a reputation amongst the Lycosaurus crowd as being obnoxiously loud. This is unacceptable in my opinion. We may not need their support but we certainly don’t need to generate any more opposition from them.

           

Let’s lead by example and take the muffler off our heads and put it on the engine where it belongs.

 

Todd Bartrim

 

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