Hi Paul & all,
Another question if you don't mind please. Does anyone know of a
similar belt PSRU installation on a 13B? (I know the 13B's output is
much higher than the engine's in the photo) And if so, would you
regard such an installation safe for use. Just by looking at it, it
seems to be both light weight and simple to fabricate. Plus, on an
amphip, it would allow the engine to be mounted lower with the prop
still clearing the hull which would be good for overall cg.
Regards,
Hennie
I think that is a great idea. Here is a an old drawing on the idea I did
back before Rhino. You would also have higher prop efficiency and lower
overall drag due to better pylon streamlining.
Contact Ken Welter. He has hundreds of hours with a belt PSRU of his
own manufacture.
http://homepage.mac.com/rotarycoot/
BTW Ken, does your girlfriend have a rotor tattooed on her stomach? :)
--
Paul Lamar ...No rotor no motor.
No she has a tattoo of a snake on her stomach and bat wings on her
back along with USN as she use to work on the flight deck of an
aircraft carrier. She also use to be a fire stripper until her daddy,
who is a congressman I will not name, saw her doing her naked
fire act on comedy central insomniac theater.
I find most of my copilots at the strip clubs as you can check out
their mile high qualifications.
As for the belt drive its very reliable but about twice the weight
of a planetary, and yes it did drop the cg on the engine which really
helped. If your building a pylon mounted high thrust line seaplane
don't... as it was the worst mistake I ever made. I would suggest changing
your plans and put the trust line in line with the wing, the high
thrust is very inefficient as its pushing down on the nose so the
tail has to push down more to compensate. Up is where you want
to go. When you pull back on the power the nose goes up and
wants to put you in a stall. This is all backwards to normal planes.
They also handle very bad in turbulence. My next plane is
going to be a hybrid version of a Spencer aircar.
Ken
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