SD10 Drive Unit SD10 Drive Unit
SD10 Drive Unit
Discontinued

This product has been discontinued by Simrad and is no longer available to buy.

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Simrad

SD10 Drive Unit

21120001
The SD10 is a mechanical cable drive unit with built-in rudder feedback for sailboats from 25 ft to 37 ft. It delivers over 180 kg of cable thrust and 450 Nm of rudder torque, with a solenoid clutch that allows hand steering when disengaged. It partners with the NAC-2 autopilot computer and requires access to a quadrant or tiller.

Description

The Simrad SD10 is a mechanical sailboat drive that makes it easy and economical to add an autopilot to small and medium sailboats with access to a quadrant or tiller. The system comprises the drive unit, a 2-metre steering cable and a universal connection kit, delivering over 180 kg (400 lbs) of cable thrust and a maximum rudder torque of 450 Nm with a typical hard-over to hard-over time of 12 to 18 seconds.

The drive unit houses a drive motor and a solenoid clutch that releases to allow hand steering when the autopilot is in standby, along with a built-in adjustable thrust limiter and an integral rudder feedback device. In an emergency the helmsman can override the drive simply by turning the wheel against it, while a quick-release pin at the quadrant lets the cable be disconnected entirely.

The SD10 is rated for sailboats up to 6500 kg (14300 lbs) displacement fully laden and 11 m (37 ft) in length, and partners with the Simrad NAC-2 autopilot computer to complete the steering system.

PRODUCT DETAILS

  • Mechanical cable drive for sailboats with access to a quadrant or tiller
  • Delivers over 180 kg (400 lbs) of cable thrust, 450 Nm maximum rudder torque
  • Built-in integral rudder feedback (RFB) device
  • Electromagnetic solenoid clutch allows hand steering when disengaged
  • Adjustable thrust limiter with manual override
  • Hard-over to hard-over time of 12 to 18 seconds
  • For boats up to 6500 kg displacement and 11 m (37 ft) length
  • SD10 drive unit
  • Steering cable, 2 m (6 ft)
  • Universal connection kit

No exploded diagram available for this product.

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Mechanical

TypeMechanical (cable) drive with built-in rudder feedback
Peak thrust (cable)180 kg (400 lbs)
Maximum stroke305 mm (12 in)
Maximum rudder torque450 Nm (333 lb ft)
Hard-over to hard-over time12 - 18 seconds
Tiller arm radius254 mm (10 in)

Electrical

Voltage12 V DC
Peak power7 A
Average power2.5 A
Clutch circuit power0.85 A

General

Maximum boat displacement (fully laden)6500 kg (14300 lbs)
Maximum boat length11 m (37 ft)
Warranty2 years

Physical

Weight4.9 kg (10.8 lbs)

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What size boat is the SD10 for?
The SD10 mechanical drive is rated for sailboats up to 6500 kg (14300 lbs) displacement fully laden and 11 m (37 ft) in length, and is suited to boats from 25 ft to 37 ft.
Which autopilot computer does the SD10 work with?
The SD10 partners with the Simrad NAC-2 autopilot computer as part of a complete autopilot system, and requires access to a quadrant or tiller.
How much thrust does the SD10 produce?
The SD10 delivers over 180 kg (400 lbs) of cable thrust and a maximum rudder torque of 450 Nm, with a hard-over to hard-over time of 12 to 18 seconds.
Does the SD10 have a built-in rudder feedback?
Yes. The SD10 has an integral rudder feedback device and a solenoid clutch that releases to allow hand steering when the autopilot is in standby.
What is supplied with the SD10?
The system comprises the drive unit, a 2 m (6 ft) steering cable and a universal connection kit. It runs on 12 V DC with a peak power of 7 A.