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Date: Thu, 26 Jul 2012 23:19:12 -0400
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Subject: Re: [LML] Re: New Turbine Engine - want HP and efficiency for your IVP?
From: Charles Brown <browncc1@verizon.net>
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You've made an excellent point.  Payloads should be compared at a =
constant range so that airplanes with big fuel tanks aren't penalized.  =
My point is that while folks are dreaming about diesels, turbines and =
pressurization, they need to consider the system impact.  An engine's =
fuel efficiency, taken out of context, is nearly meaningless. =20


On Jul 26, 2012, at 11:06 AM, Paul Miller wrote:

Well, not really.  More than 2500 useful load for the older models and =
1800 pounds fuel for 1500 nm range.  So, dump 30g kerosene for another =
pax and range drops 140nm.  Full fuel on a TBM is really a big number =
and unlike any piston.  Normal operating empty is only 4100 pounds for =
the A model.  It really is a 4 person airplane taking into account =
range, seating, luggage and typical trips.  The new 850 has even higher =
useful load numbers at triple the price.

Paul
Calgary

On 2012-07-26, at 9:22, Charles Brown <browncc1@verizon.net> wrote:

> The Socata TBM is really a 2-person airplane with full fuel because of =
the pressure hull weight;

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