Subject: Spintech muffler
From: ACRE NL
Date: 1/3/2002, 3:29 PM

snips..

But I can go faster than 210 mph NOW! (at a lot less than 8100 rpm)   In the
first annual rotary air race (10-27-01) I averaged 202 mph including a start
at around 130 mph, a 180 deg pylon turn, very turbulent air and less than
WOT.  On a standard day, my top speed was around 215 mph.  I recently lost
2 - 3 mph with the installation of a new muffler (custom Spintech,  see
http://www.spintechmufflers.com ).  Speed loss was due to dirty aerodynamics of
exposed muffler, not HP loss.  I actually gained HP with the spintech (and
lost some noise).   Engine rpm at 215 mph is 6450 rpm.

Tracy Crook
tcrook@rotaryaviation.com
http://www.rotaryaviation.com

Can you get them in thick wall stainless steel Tracy? What material is yours
made from now?

Paul Lamar
 
The AirCraft Rotary Engine NewsLetter.              Powered by Linux.
ACRE NL web site.
http://home.earthlink.net/~rotaryeng/            http://www.linux.org