B&G Network Autopilot - Manual (Page 45)

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ROTARY DRIVE UNIT
DESCRIPTION
A compact reversible 12V or 24V DC motor and gearbox, with an
electrically operated clutch acting on the output shaft for autopilot
control of mechanical steering systems. Connection to the steering
system is most commonly via sprocket gears and chain. These to be
supplied by the installer. As a guide the following should be considered
for the drive sprocket:
UK/Euro 13 tooth 3/8" pitch (steel)
USA
10-20 tooth (steel) for Type 40 or 41 chain.
The recommended target hardover to hardover time should be 10 to 12
seconds.
ROTARY DRIVE DATA
SUPPLY VOLTAGE 12V or 24V Options
PEAK OUTPUT TORQUE Type 1
Type 2
15 Nm / 132lb ins
45 Nm / 398lb ins
MAXIMUM SHAFT SPEED 20 rpm
TYPICAL POWER CONSUMPTION 3 to 7 amps
CLUTCH SUPPLY 12V or 24V , 1 amp max.
MOUNTING FOOT variable in 45° steps
WEIGHT 8Kg / 17.64lbs
The Rotary Drive Unit has a mounting foot that can be
rotated in 45° steps to allow for most installation
requirements.