Posted 4/2/2011 20:47 (#1704818 - in reply to #1704457) Subject: Re: I think that I have flown this airplane
NEIN
Standard rate of cooling is about 3 degrees of temp. drop per 1000 feet of altitude and I believe it levels off at around 30k feet. So if 60 on the ground at 40 k you would be 120 degrees cooler or about -60. (roughly)