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I went back to the exhibit buildings, and took some photos of the psru’s
offered by www.autopsrus.com . I will
forward these later today as every thing gets transferred . They are spur gear
drive, have there own oil supply and pump, use pressure fed roller bearings,
will provide oil for a constant speed prop, and are available in many reduction
ratios. They make a unit that can be straight through, suitable for the 13-B,
the casing is CNC machined. They use a flywheel for the torque damping, and it
has a centrifugal clutch that disengages the prop below ~900 engine rpm, so when
starting there is no prop load. Will likely be heavier than Tracy’s
I have to reduce the size of the pictures before I can send them.
Sent: Sunday, July 26, 2015 1:59 PM
Subject: [FlyRotary] Re: Anyone or everyone in
Oshkosh?
Tracy,
That is very
interesting! Could one be built specifically for my combination of a high HP 20
B? I would have more peace of mind knowing how it was put together by me along
with your knowledge and experience. The thought of someone just starting out
making them does not sit well with me as they are an unknown.
Let me know what
you think and I will be in touch.
Thanks for your time!
~~~tg~~~
From: Tracy
<flyrotary@lancaironline.net>
To: Rotary motors in aircraft
<flyrotary@lancaironline.net>
Sent: Sunday, July 26, 2015 10:04 AM
Subject: [FlyRotary]
Re: Anyone or everyone in Oshkosh?
The design is royalty free. Anyone
who wants to build it is more than welcome. I can help with info if
you need it.
Tracy
Sent from my iPad
Well, barring the passage of the “Affordable
Airplane Act” perhaps we should start trying to solve our own problems.
I don’t know what the transaction was regarding
production of Tracy’s design but if it’s based off of royalties for every unit
sold, I would say that it’s not benefiting anyone.
Perhaps a competitive bid is in order?
Absent a viable PSRU
solution, there probably is no, “rotary engine option”…
:>(
B2
From: Rotary
motors in aircraft [mailto:flyrotary@lancaironline.net]
Sent: Saturday,
July 25, 2015 2:01 PM
To: Rotary motors in aircraft
Subject: [FlyRotary]
Re: Anyone or everyone in Oshkosh?
___________________________________________________________________________
What I have found is that if you want there to be a
Rotary Engine forum, you have to do it yourself.
If I had a flying Rotary, I would be willing to do
this but as I do not, it would not be appropriate.
We should make an effort to have a “Fly Rotary” forum
and present our case for the Rotary Engine as a viable alternative to the
piston solution.
I would propose that this comes from our group rather
than as a piggy-back on to any of the other alternative engine
groups.
I would not want for our engine solution to be
sandwich between the Corvair, Subaru and Volkswagen
groups.
If you want to see it there, you have to make it
happen.
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