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Rotax engines- LSA's hope, or curse?



 
 
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Old April 14th 06, 02:51 AM posted to rec.aviation.piloting
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Default Rotax engines- LSA's hope, or curse?

Well, there's a couple of things going on. Without commenting on the
crashes you mention, which I know nothing about, the majority of Rotax
engines are installed on ultralights... with all the variance in care
and maintenance that you see on ultralights. Some are well
maintained, and others aren't maintained at all... and it shows in
their reliability.

Second, to the get the kind of power to weight ratio UL's and LSA's
demand, you have to turn the engine faster. This naturally leads to
reduced reliability... an A-85 redlined at 2500 rpm (IIRC) is just
naturally going to last longer than a 912 redlined at 5800 rpm... and
the A-85 weighs a LOT more... and both weigh more than a comparable
2-stroke. It's all about compromises.

-Dana

On Mon, 10 Apr 2006 18:43:20 -0400, "Morgans"
wrote:

Am I the only one who thinks that Rotax still leaves a lot to be desired,
even their 4 strokes?

I still will not set foot inside an aircraft that is powered by one. Until
an alternate engine is available, LSA is dead on arrival, IMHO.

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