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- Master (Oceans or Near Coastal (Uninspected Fishing Industry Vessel)) »
- Q185 - Navigation Problems: Near Coastal
35. You are turning 90 RPM, with a propeller pitch of 24 feet, and an estimated slip of -3%. What is the speed of advance?
The speed of advance is calculated by first determining the theoretical speed based on RPM and propeller pitch, then adjusting for propeller slip. With a slip of -3%, the actual speed of advance is 21.9 knots.
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