Spit IIA Speed in game test

[bongodriver]

Originally Posted by Crumpp

OMG....

Obviously you have never set an altimeter. Go into your game and adjust the altimeter setting and watch the needles move and the altitude change.......

QNH is sea level pressure....not airfield elevation, and I can tell you that even if you have set QNH and are sat right on top of the airfield refference point you won't get an exact reading.