User Manual

h2000 Autopilot User Manual
Part 5 - Options
HB-0842-04
5-4
5.2.1 Ram Drives
A compact DC driven reversible hydraulic pump and cylinder
assembly for boats without hydraulic steering systems. Five sizes
of drive are available giving a wide thrust range to suit all sizes
and types of vessel.
Type 0, 1 and 2 Rams combine the motor, pump and hydraulic
cylinder into one unit referred to as an actuator. Type 3 and 4 rams
are supplied split into a separate motor/pump unit, reservoir and
hydraulic cylinder.
Ram Drive Type RAM-T0-12V RAM-T1-12V
RAM-T2-12V or
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")
Full Bore Annulus
Area
776mm
2
(1.203"
2
)
662mm
2
(1.027”
2
)
1208mm
2
(1.872"
2
)
1005mm
2
(1.558”
2
)
1208mm
2
(1.872"
2
)
1005mm
2
(1.558"
2
)
1885mm
2
(2.92"
2
)
1570mm
2
(2.434"
2
)
Rod Diameter 12mm
(0.472”)
16mm
(0.623”)
16mm
(0.623")
20mm
(0.623")
Tiller Arm for 70q
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
(12574 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)
Table 5.1 Ram Drive Units