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description/installation
h1000 pilot
Page 12
rudder drive options
warning
Accurate performance of the yacht’s steering system is crucial to the safety of you and your crew. B&G
always recommend that an Authorised B&G Dealer performs the installation of autopilot drive units.
caution
In line with B&G’s policy of continuous product improvement, drive units are regularly updated.
Installation data included with your drive unit will replace installation data contained in this manual.
Before undertaking any shipwright work onboard the yacht, it is essential that the installation data in
this manual be verified against your drive unit. If in doubt, consult your authorised B&G Dealer for
technical assistance. B&G cannot accept liability for differences that may occur between the drive unit
and this User Manual.
ram drive unit
description
A hydraulic pump driven from the dc electric supply combines a compact reversible pump and a
hydraulic cylinder assembly for use on boats without hydraulic steering systems. Three sizes of ram
drive units are available giving a wide range of thrust to suit all vessel types and sizes.
hydraulic linear drives
The Type 1 and Type 2 rams combine motor, pump and hydraulic cylinder as one unit, referred to as an
actuator. Type 3 rams are supplied split into a separate motor/pump unit, reservoir and hydraulic
cylinder, connected by 1m (3ft) hoses. The Type 3 motor/pump unit can be mounted on a vertical
bulkhead.
.
Note: Longer hoses for the Type 3 system are available, please contact your dealer.
Ram Drive Type RAM-T0-12V RAM-T1-12V
RAM-T2-12V
RAM-T2-24V
RAM-T3-24V
Motor Supply 12V dc 12V dc 12 or 24V dc 24V dc
Solenoid Valve
Supply
12V dc
1.25A (max)
12V dc
1.25A (max)
12 or 24V dc
1.25A (max)
24V dc
0.8A (max)
Peak Thrust 300 kg force
(660 lbs force)
680 kg force
(1496 lbs force)
680 kg force
(1496 lbs force)
1062 kg force
(2342 lbs force)
Peak Current 20A @ 12V 20A @ 12V 25A @ 12 or 24V 17A @ 24V
Maximum
Stroke
203mm
(8")
254mm
(10")
254mm
(10”)
305mm
(12")
Rod Diameter 12mm
(0.472”)
16mm
(0.623”)
16mm
(0.623")
20mm
(0.623")
Tiller Arm for
70
q
Rudder
178mm
(7")
214mm
(8.4")
214mm
(8.4")
257mm
(10.16")
Maximum
Torque
545 Nm
(4823.65 lb.ins)
1427 Nm
(12574 lb.ins)
1427 Nm
(12566 lb.ins)
2688 Nm
(23780 lb.ins)
Weight 5.8 kg
(12.7 lbs 6oz)
7 kg
(15 lbs 6oz)
7 kg
(15 lbs 6oz)
10.3 kg
(22lbs 11oz)
Helm to Helm
Time
Extend
Retract
10.1sec
9.9 sec
(200kg force)
15.7 sec
13.4 sec
(200kg force)
11.9 sec
10.2 sec
(200kg force)
14.6 sec
12.6 sec
(200kg force)