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(retitled) alternative engines

 
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slyck(at)frontiernet.net
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PostPosted: Wed Sep 20, 2006 5:49 am    Post subject: (retitled) alternative engines Reply with quote

Here is most of what I sent to Ellery:

In addition I may caution that in an effort to "beat the Rotax$$"
you might beat yourself going down the dead ends of mistaken
applications. -buying a lot of parts that end up on the shelf.
In my case the worst was only a Mikuni, bought new and cheap
off Ebay that didn't work worth diddly. Not much lost but time
and good humor.
My original cost migrated upwards over time but still likely
south of $3000. MeanwhileI must have spent the savings over
the Rotax on beer to keep myself sedated.
Quote:

Subject: G10

Ellery, it has been a learning experience as I had to design all the
subsystems; induction (modified manifold, carb), electric and
ignition,
water and oil cooler. Now 99% debugged and running well.

What are you considering putting one on? FS?

The 3 cylinder engine is very well built and reliable but if you want
super smooth, the 4 cylinder has it beat according to owner reports.
The 3 has a sort of throbbing sound like an old radial engine.

The two major redrive contenders are Raven cog belt and the Russian
SPG-2 gear drive. I think the gear drive would be less maintenance
but a little heavier than the belt. The Raven prop shaft bearing
assembly
is a finicky setup utilizing a premeasured bearing spacer (sleeve)
for the proper preload. I had initial problems with it but once set
up right
it is reliable.
The russian drive has a rubber doughnut inside to absorb harmonics.
It has a good rep so far.

If you want a G10 on a FS it would work well providing you did all
the weight-saving stuff possible. The best things about this engine
are reliability, very low maintenance, and cheap overhauls.

Be glad to answer any further questions.
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WillUribe(at)aol.com
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PostPosted: Wed Sep 20, 2006 12:14 pm    Post subject: (retitled) alternative engines Reply with quote



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