Quote Originally Posted by bengarzy View Post
Harrys 4000 ft of elevation will not make more than a few % difference to anything I wouldnt think, hence my disbalief on all fronts.

Ben
The air density at 4000ft is 0.886 of that at sea level, humidity makes a difference too. I can't remember what Harrys BC was, I think he said 0.037..

0.032 (JSB Exact) / 0.037 (Harrys result) = 0.865