Additional autopilot information and technical specifications available at www.raymarine.com
11
The rotary drive is designed for power and sailboat steering systems that can be driven from the helm position through a chain and sprocket
(for example: cable and rod steering systems). The outstanding design of the Raymarine rotary drive unit provides smooth, powerful
autopilot-controlled steering with quiet operation. Use the table below to select a rotary drive suitable for your vessel displacement.
MECHANICAL ROTARY DRIVES
• Optional drive sprockets and modification to the steering chain may be required.
• An authorized Raymarine Dealer is best suited for installing a rotary drive system.
SMARTPILOT ROTARY DRIVE SELECTION CHART
Rotary Drive
SMARTPILOT STERN DRIVE SELECTION CHART
• Always verify compatibility before installing a drive unit by consulting with an authorized Raymarine dealer or
Raymarine’s Customer Support Team.
• This drive is not compatible with 1997 or later Mercruiser power assist Inboard/Outboard drives.
• Cable steering systems using non feedback helms are not compatible with this drive.
• Additional stern drive units are available for specific engine configurations. Visit our website
www.raymarine.com to learn more.
Universal Stern Drive
Boats equipped with inboard/outboard engines and power assisted cable steering can take advantage of our
universal I/O drive unit. This innovative electromechanical drive unit operates the power steering valve in the same
way as the steering cable.
SELECTING A DRIVE: STERN DRIVES
SELECTING A DRIVE: MECHANICAL STEERING SYSTEMS
Drive Type Type 1 Rotary Drive Type 2 Rotary Drive
Vessel Displacement 24,000 lb (11,000 kg) 44,000 lb (20,000 kg)
Corepack Type X-10 X-30
Peak Output Torque 180 lb.in (20 Nm) 300 lb.in (34 Nm)
Max Shaft Speed 33 rpm 33rpm
Recommended hard over time
(no load)
10 seconds 10 seconds
Power Consumption 24-48 Watts 60-84 Watts
Part Number
M81135
M81136 (12 V)
M81137 (24 V)
Type Universal I/O drive
Vessel Displacement Does not apply
Corepack Type X-10
Drive method Electromechanical
Maximum thrust 50 kg (110 lb)
Maximum stroke 214 mm (8.3 in)
Hard over to hard over time 8.8 sec
Part Number
E12026
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