Chapter 1: System Components
13
1.8 Drive Systems
A range of mechanical (rotary, linear and stern drive) and hydraulic drive
units are available for use with the Type 100/300 system. Rotary drives
are coupled to the steering system by a simple chain drive, linear drives
directly to the rudder stock at the tiller arm radius and stern drives directly
to the power steering valve block.
The type of hydraulic drive used is dependent on the size of the vessels
hydraulic cylinder.
Rotary Drive Units
Autohelm rotary drive units provide smooth, powerful steering commands
with almost silent operation. A rugged electric motor drives a precision
epicyclic gearbox via a high tensile drive belt. An electronic clutch
transmits high torque loads with no slippage. The drive unit can be
mounted in any attitude to simplify installation.
274mm (10.8in)
195mm
(7.7in)
256mm (10in)
20mm (0.8in)
184mm
(7.2in)
60mm
(2.4in)
60mm
(2.4in)
D736-1
2 holes 12.5mm (0.5in) diameter
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