Unit
Number
Enter Any 4 Values
Engine RPM RPM
Prop Gear Ratio X:1
Propeller Pitch Inches/Rev
Propeller Slip .XX
Boat Speed MPH
   
Terms Used
Units Definition
Engine RPM Engine Revolutions Per Minute
Prop Pitch Inches Per Revolution (cupped props +1)
Prop Slip Decimal Or Integer (example .30 or 30)
Boat Speed Measured Miles Per Hour