Proton SL mini 1220 - Page 28

Page 28 of 126
Proton Products SL mini and SLR mini Series Speed and Length Gauges Instruction Manual - issue 1s
Compounded roll and yaw cosine error
Measured speed = (True object speed) × cos (α) × cos ()
Error angle α or β / degrees
cos (α) or cos (β)
Measurement error / %
0
1.000000
0.000
0.25
0.999990
-0.001
0.50
0.999962
-0.004
0.75
0.999914
-0.009
1.0
0.999848
-0.015
2.0
0.999391
-0.061
3.0
0.998630
-0.137
4.0
0.997564
-0.244
5.0
0.996195
-0.381
10
0.984808
-1.519