Mailing List lml@lancaironline.net Message #6579
From: John Kleber & Annette Worthington <73761.230@compuserve.com>
Sender: John Kleber & Annette Worthington <73761.230@compuserve.com>
Subject: Turboprop Engine for Legacy
Date: Mon, 4 Sep 2000 10:23:55 -0400
To: lancair.list@olsusa.com <lancair.list@olsusa.com>
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Hi:

I am a Legacy (about to be) builder with kit #9.  I expect to take delivery
of my kit and attend the builder's workshop in December.   In a perfect
world, there is only one thing I would change on the kit.......the engine.

With the EPA pressing hard to get the lead out of  the fuel we use, 100LL
will surely become more scarce and more expensive.   A few months ago,
"Sport Aviation" did an article on the demise of 100LL.  It appears Jet A,
on the other hand, will be readily available for many years to come.  So
I'm asking myself "why install a Continental IO-550-N  or any other engine
for which fuel may be at a premium?"  Why not install  a turboprop?  I
realize there are factors such as cost, fuel consumption rate, and
availability.  However,  here are a few questions, the answers to which
might start heading me in the right direction:

1.  What is the formula to convert "pounds of thrust" into horsepower?
2.  Does anyone know of a turboprop engine designed (not derated) to
produce the equivalent of 300-350 horsepower?
3.  What other considerations must be addressed to make a turboprop Legacy
a reality?
4.  Is anyone else interested in installing a turboprop engine on their
Legacy?

Any positive and constructive help will be greatly appreciated!

Sincerely,

John Kleber
        

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