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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. 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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