Chapter 3: Installation
25
3.4 Drive unit
Various types of drive unit are available to match to your steering system:
•
Hydraulic pump - used to connect to hydraulic steering systems
•
Mechanical linear - used in sailing vessels, the mechanical linear drive moves the
rudder directly by pushing the tiller arm or a rudder quadrant.
•
Mechanical rotary - designed for power and sailboat systems that can be driven
from the helm position through a chain and sprocket e.g. cable and rod.
Refer to the following table for drive unit compatibility with the SPX SmartPilot.
SPX
SmartPilot
Supply
voltage
Drive unit compatibility
SPX 10
12 V or 24V
All Raymarine Type-1 12 V or 24 V drives and pumps. Drive voltage
must be matched to boat’s supply voltage.
SPX 30
12 V or 24 V
All Raymarine Type-1, Type-2 and Type-3 12 V and 24 V drives and
pumps. Drive voltage must be matched to boat’s supply voltage.
SPX
SOLENOID
12 V or 24 V
All solenoid drives: Raymarine constant-running pump or similar.
D10451-1
Mechanical rotary
Mechanical linear
Hydraulic
87072-2.book Page 25 Thursday, November 22, 2007 8:43 AM
