OVERVIEW
If Steering wheel is rotated in clock wise, oil is pump out from the port ( right port from the front view) into the port of cylinder ( starboard side ).
This cause the cylinder rod move to forward, which move the boat rudder to right side ( starboard) Oil displaced from the opposite end of the cylinder flows back to the helm pump.
For steering in the opposite direction, simply turn the helm pump the other way.
When no course corrections are required, the inbuilt lock valve holds the rudder stationary.
HELM PUMP
- SS 304 SHAFT
- Fixed Displacement from 70cc, 90cc and 120cc for NHP helm pump
- Fixed Displacement from 18cc to 44cc for NSH helm pump
- Lock Valve Inbuilt
- Mounting Hardware and steering wheel mounting hardware supplied as standard
- Interconnecting ports for dual stations of steering
CYLINDER
- Stainless steel Rod-end
- Aluminum with anodized Cylinder tube
- Brass, Black Color Bracket
- Stainless steel, Chrome plated shaft
APPLICATION GUIDE
| Complete Model |
System Basic Recommend Components |
Wheel turns | Recommend | Suitable Steering Wheel Size |
||
|---|---|---|---|---|---|---|
| torque | engine power | |||||
| Cylinder | Helm Pump | Lock to lock | kgf.m | HP | ||
| MI 30N-22 | IOC-4020 | NSH 022 | 5.5 | 34 | 75 | Dia 350mm |
| MI 50N-25 | IOC-4021 | NSH 025 | 6.7 | 48 | 75 | |
| MI 60N-30 | IOC-4022 | NSH 030 | 7.1 | 61 | 110 | |
| MI 80N-37 | IOC-5024 | NSH 037 | 7.1 | 75 | 110 | Dia 395mm |
| MI 100N-44 | IOC-5025 | NSH 044 | 7.7 | 96 | 140 | |
| MI 120N-44 | IOC-5026 | NSH 044 | 9.3 | 117 | 180 | |
APPLICATION GUIDE
| Complete Model |
System Basic Recommend Components |
Wheel turns | Recommend | Suitable Steering Wheel Size |
||
|---|---|---|---|---|---|---|
| torque | engine power | |||||
| Cylinder | Helm Pump | Lock to lock | kgf.m | HP | ||
| MI 120H-70 | IOC-5024 | NHP 070T or 070S | 3.7 | 118 | 180 | Dia 600mm |
| MI 150H-70 | IOC-5025 | NHP 070T or 070S | 4.8 | 151 | 250 | |
| MI 190H-70 | IOC-5026 | NHP 070T or 070S | 5.8 | 185 | 250 | |
| MI 270H-90 | IOC-6325 | NHP 090S | 6.6 | 270 | 250 | |
| MI 330H-120 | IOC-6326 | NHP 120S | 6.1 | 329 | 350 | |