Roger Enns wrote:

Just the ACRE web site below Roger. We are working on a couple of books.
The web site gets updated from time to time as we determine the best
course of action on a particular problem.

Are you thinking of replacing the EA81 turbo with a rotary?
BTW what does your firewall forward package weigh?

Paul,

Firewall forward less prop is about 215 lbs.  Estimated 95 hp @ 3600 rpm/8
psi boost.  We've got somewhere approaching 200 hrs on this setup, and it
has been bulletproof thus far.
I've always been a rotary fan, and have a ported 13b in my '79 rx7.  I'm
quite interested in single-rotor conversions, as they would be in the hp
range for the aircraft I'm interested in.  What is the most common psru
arrangement with the rotaries?  The psru seems to be the weak link in many
conversions...

Roger Enns
C-GIIV EA81DDT-powered Dragonfly

Its the Ross unit based on a Ford C6 planetary from an automatic
transmission. The four pinion gear set alone weighs only
five and a half pounds. Tracy Crook got 600 hours out of one
before he had to have it overhauled. According to Chris Ross there
was a missing lube hole. Improvements in the Ford C6 PSRU can be made
and
Tracy Crook is working on a new design. There are some other ones in the
works as well. See the Power Sport web site on the ACRE news letter
web site links. 
 
Paul Lamar
 
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