Mailing List flyrotary@lancaironline.net Message #40180
From: Kelly Troyer <keltro@att.net>
Subject: Hushpower II for Tracy's 20B
Date: Sat, 03 Nov 2007 14:15:39 +0000
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
 
Tracy,
   Curious as to the inlet/outlet diameter of the Hushpower II you
ordered for the 20B.........Somewhat larger I would presume........
--
Kelly Troyer
"Dyke Delta"_13B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifold




-------------- Original message from "Tracy Crook" <tracy@rotaryaviation.com>: --------------

Max static rpm on the 20B with 72 x 104" 3 blade prop is ~ 6000 rpm.  I think the peak rpm on the day of the video was 5970.  The sound of the engine, prop and windblast in the cockpit (canopy not on) is unbearable without the hearing protectors I was wearing.  Ordering a HushPower II muffler for it this week.  No muffler was installed during the video.
 
Thanks for posting the video Bob.
 
Tracy

 
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