10-22
Selection Guide
Rudder Torque Data Sheet
TORQUE DATA SHEETS
PLANING HULLS
ONLY
Boat speed:...................................
knots
Number of rudders:.......................
Rudder area (projected area):......
square feet
Propeller diameter: .......................
feet
Perpendicular distance from the
rudder shaft to the propeller: ........
feet
Distance measured parallel to
the rudder shaft from the base
of the rudder to the center of
the lower bearings: .......................
feet
Average rudder chord length:.......
feet
Perpendicular distance from the
waterline to the rudder base:........
feet
Rudder shaft diameter:.................
inches
Shaft power:..................................
horsepower
C
B
A
C
L
C
L
Lower Rudder Bearing
A
= Perpendicular distance
from the rudder shaft to
the propeller.
B = Distance parallel to rudder
shaft from rudder base to
center of lower rudder
bearing.
C
= Perpendicular distance from
waterline to rudder base.
Note:
Formula
presumes 23-27%
counterbalance
Projected area of rudder =
(H+W) - (C+B
)
PLEASE TAKE A MOMENT TO COMPLETE
THIS FORM AND
RETURN IT VIA FAX TO: 604-279-2202
FORMULA
DATA
NOTICE
Please include a detailed drawing of your rudder to
assist with rudder load calculations.
Summary of Contents for 190 InShore 2014 Series
Page 1: ...190IS 190 InShore Series OWNER ASSISTANCE MANUAL Revised 2014...
Page 30: ...28 Appendix 190 IS...
Page 31: ...29 Hydraulic Steering System...
Page 32: ...30...
Page 33: ...31...
Page 34: ...32...
Page 35: ......
Page 36: ......
Page 37: ......
Page 38: ......
Page 39: ......
Page 40: ......
Page 52: ...vi Selection Guide...
Page 58: ...1 6 Selection Guide...
Page 62: ...2 4 Selection Guide...
Page 88: ...4 8 Selection Guide...
Page 138: ...11 2 Selection Guide...