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#12
March 25th 04, 08:20 PM
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"gerrcoin" wrote in message
... Tony Cox wrote: 1) Hot air balloons use about 15 gals of propane/hour, which isn't vastly different from my 182 burn. Yes, but isn't that 15 gals of a gas volume (ie less density). No, it is 15 gals of LPG. Which, energy wise, is about the equivalent of 8 gals of avgas I believe. LPG weighs 4lbs/gal In terms of lbs/hr of fuel burned it should work out at a lot less. I would imagine that baloons are a hell of a lot more efficient than aircraft in terms of endurance but when you start counting in range efficiency... Well it isn't, and they aren't. That surprised me too. 
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