SPEED OF ADVANCE
You are turning 100 RPM, with a propeller pitch of 25 feet, and an estimated slip of -5%. What is the speed of advance?
A. 24.7 knots
B. 23.5 knots
C. 25.9 knots
D. 22.3 knots
ANSWER ''C''
Finding Speed of Advance = Pitch x RPM x 60 x Slip divided by 6080 =
25ft x 100 rpm x 60 x 1.05 divided by 6080 = 25.9 kts
