- Is it possible to modify the oil pump in a vertical shafted briggs so
that it will run in a horizontal position? I was thinking of the 22hp
engine. Will a out side belt drive oil pump work?
Good to hear of other engine options that are
available. We are always looking at a way to meet our
design goals at a more affordable price but it seems
that everything cheap has a trade off.
Looked at the surplus engines at Oshlosh years ago.
Price is definitely right but it doesn't meet the
design parameters of the current aircraft regs. Just
too heavy an engine for an FAR Part 103 legal
ultralight and not near enough power for a Sport Pilot
aircraft. Could be made to work on a single seat
sport pilot aircraft I guess.
The next phase of our development with the direct
drive Geo is of course to add a new lightweight
version of our proven reduction drive and then we are
at 115 lbs. and 60 HP which will work so much better
than any direct drive- even one of the same
horsepower. Does cost more (especially for the
redrive) but with the modern liquid cooled Geo engine
and the efficiency of a redruction drive the redrive
kit is basically free in 500 hrs. of flying due to
fuel savings at 2 GPH compared to any two stroke Rotax
or certified aircraft engine of the same horsepower.
As fuel prices continue to rise the numbers just get
better and better. That how I look at affordable in
the long term.
Jeron @ Raven Redrives
--- solar4@... wrote:
> I prefer a 45hp engine that weighs only 120lbs____________________________________________________________________________________
> is a 4 stroke and is only costs about $200-$500
> for an engine ready to fly. Of course you have
> to like the sound of a 4 cylinder opposed engine.
> Hee hee..
> Stan B.
> Surplus engines moderator
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