In a message dated 10/01/1999 1:05:40 PM, Dave wrote: <<"Jim: Could this be that the lower oxygen percentage at higher altitudes means the propane doesn't burn as hot?">> Dave I agree with Rons answer of "probably" :-) I know that altitude plays strange tricks on you if you aren't careful...like thinking your canteen/water bladder is full when it is only the lower air pressure that makes you think so because it has swollen while you were climbing :-( What difference does this lower pressure make in the tone of a piano say when played at sea level and then played at 5,000 feet? Would it make any difference mountain folk? Jim Bryant (FL)
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