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

Tracy,
Sounds pretty good, I imagine it would be possible to fair the muffler and
get that 2-3 mph back.  I went to the spintech website.  As far as I can tell
they just sell mufflers.  Does this mean that we still need to build our
manifolds?  How do we order the one that you have?

Dave Leonard

 
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