Written by A.G. "Andy" Lennon
Match a model’s performance to a pilot’s skill level
How to Do It
As seen in the June 2007 issue of Model Aviation.
Definitions for the Beginner
Altitude: Air density reduces with altitude. This is reflected in the constant number in the thrust formula.
Altitude (Feet)
Constant
Sea Level
0.000011127
1,000
0.000010806
2,000
0.000010490
3,000
0.000010182
4,000
0.000009881
5,000
0.000009581
6,000
0.000009301
ARF: Almost ready to fly.
BHP:…