I agree with dryer. Since the "combustion" of your body, ICE or even gas turbine are dependent on temperature and pressure, the actual altitude doesn't matter. It is the relative altitude. Maybe you could compare it to the difference between absolute pressure and static pressure? <img src="/forums/images/graemlins/smirk.gif" alt="" /> <img src="/forums/images/graemlins/smirk.gif" alt="" /> <img src="/forums/images/graemlins/wink.gif" alt="" />
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