(800) 526-5971 • Fax: (425) 869-1232 • www.marinehardware.com
Outboard RuddersIn Marine Hardware, Inc.’s unique, time-tested rudder designs,the high-strength manganese bronze blade is cast directly ontothe stainless post, allowing inclusion of an integral safety breakaway point. All of Marine Hardware, Inc.’s rudders provideoutstanding performance through optimum leading edge to suitthe application.
The diagrams below show dimensions of Marine Hardware’sstandard outboard rudder assembly for boats of 28' to 40'. Thedesign incorporates multiple o-rings to prevent leaks, and fitstransom angles of 8º to 12º. Three different blade configurationsare available, with a range of 120 to 170 square inches of area.Assembly comes complete with blade and post, transomhousing, and tiller arm. An installation template is available, ifrequired.
Section A-A
1-3/8”
16-3/4”
5/16”
11-3/4”
1”
A A
Section A-A
14-1/2”
A
1-3/8”
8-9/16”
A
1-7/16”1/8”
1-9/16”
Section A-A
1/8”
9/16”
9-1/8”
A A
1-3/8”
14-1/2”1-1/4”
18-3/16”
24”
1/8”
Safety Lock
Tiller Arm
Cross-BoltAssembly
Transom Housing
Cavitation Plate
O-Rings
Post
Rudder
Service Department
18-5/8”
9”
4”
1”
(800) 526-5971 • Fax: (425) 869-1232 • www.marinehardware.com
Inboard RuddersIn Marine Hardware, Inc.’s unique, time-tested rudder designs, the high-strength manganesebronze blade is cast directly onto the stainless post, allowing inclusion of an integral safetybreak away point. Marine Hardware, Inc.’s three basic blade configurations provideoutstanding performance through optimum leading edge to suit your application.
D
L
X
K
P
Y
Standard Blount Nordic
Service Department
D = Post DiameterL = Post Length above bladeK = Key Length (Size of key: ________ squaredSpecify keyway as forward, aft, port, or starboard, as required.)P = Distance from cast line of blade to bottom of keyAlternate: Q = Distance from top of post to bottom of keywayX = Height of BladeY = Width of Blade
Dimensional Information
Section A-A
A A A A AA
Section A-A Section A-A
End Mill Style Keyway
Wheel Cut Style Keyway
Q
Alternate Keyway
