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From: Barry Hancock <sportform@cox.net>
Subject: Re: [LML] Re: Turbine Revolution
X-Original-Date: Mon, 1 Aug 2005 20:28:21 -0700
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On Aug 1, 2005, at 5:54 PM, Brent Regan wrote:

> If you calculate the horsepower derating based on the density delta=20
> from 0 to 9,000' MSL you will have 76 horsepower where you once had=20
> 100 so you now have 8 gallons per hour per 76 horsepower or (given 8=20=

> lbs per gallon for Jet-A) 64 lbs per hour per 76 horsepower or=A0 0.84=20=

> pounds per horsepower hour.=A0 My Lycoming running at 75% power and =
150=20
> deg F rich of peak burns 0.47 pounds per horsepower hour. To be fair,=20=

> there are 15% more pounds in a gallon of Jet-A than a gallon of 100LL=20=

> and Jet-A is ~10% cheaper so the fuel consumption of the Innodyne only=20=

> 116% of the Lycoming comparing dollars per...

Brent!  Stop!  I have a headache already!   ;)-

So, for us non-engineer types your telling us that the fuel specifics=20
v. power trade off for this engine are just not there????

Thanks!

Barry "layman" Hancock
122LL

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On Aug 1, 2005, at 5:54 PM, Brent Regan wrote:


<excerpt><fontfamily><param>Arial</param>If you calculate the
horsepower derating based on the density delta from 0 to 9,000' MSL
you will have 76 horsepower where you once had 100 so you now have 8
gallons per hour per 76 horsepower or (given 8 lbs per gallon for
Jet-A) 64 lbs per hour per 76 horsepower or=A0 0.84 pounds per
horsepower hour.=A0 My Lycoming running at 75% power and 150 deg F rich
of peak burns 0.47 pounds per horsepower hour. To be fair, there are
15% more pounds in a gallon of Jet-A than a gallon of 100LL and Jet-A
is ~10% cheaper so the fuel consumption of the Innodyne only 116% of
the Lycoming comparing dollars per...

</fontfamily></excerpt>

Brent!  Stop!  I have a headache already!   ;)-


So, for us non-engineer types your telling us that the fuel specifics
v. power trade off for this engine are just not there????


Thanks!


Barry "layman" Hancock

122LL


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