SeaStar Inboard Hydraulic Steering

INTRODUCTION

SeaStar Inboard Steering Systems are engineered and manufactured for all Pleasure and Work Boat applications up to 38ft. (11.5m) with some exceptions. See the Application Guide below for specific details.

For Commercial and Work Boat applications over 38ft. (11.5m) and Pleasure Boats not included in the Application Chart below please refer to our Capilano range of Inboard Steering Systems.

INBOARD STEERING CYLINDERS

Features
Regular duty aluminum cylinders. Heavy duty brass cylinders. Easy installation for single and dual rudder vessels. Cylinders supplied with bleeder fittings. Two axis articulation. Easy autopilot interface.
[Dimensions]

Four steps to select a steering system for an inboard powered boat

From the Application Guide below select the System Number appropriate for the vessel based on:
a) hull type - displacement or planing,
b) length of vessel,
c) number of rudders, and
d) usage of vessel.
From the Order Guide below select the appropriate helms and accessory hardware for each steering station.
From the Order Guide select the fitting and hose kits required for the installation.
Confirm that you have sufficient space available in:
a) the area the cylinder is to be mounted, and
b) the dash area for the steering components.

Application Guide

BOAT LENGTH UP TO:	PLANING HULL				DISPLACEMENT HULL				SAIL
	SINGLE ENGINE		TWIN ENGINE		SINGLE ENGINE		TWIN ENGINE		SINGLE ENGINE

	Pleasure	Work	Pleasure	Work	Pleasure	Work	Pleasure	Work	Pleasure	Work
26FT (8.0M) 32FT (10.0M) 38FT (11.5M) 44FT (13.5M) 50FT (15.0M)	1 2 3 5 Ref	4 4 5 Ref Ref	1 1 2 3 5	4 4 5 5 Ref	2 3 5 Ref Ref	4 4 5 Ref Ref	2 3 3 5 Ref	4 4 5 Ref Ref	4 4 4 5 Ref	4 4 5 Ref Ref

a) Displacement Hull - maximum hull speed does not normally exceed 18 knots.
Data Sheet [PDF]

b) Planing Hull - maximum hull speed normally exceeds 18 knots.
Data Sheet [PDF]

Order Guide

1	Description	Qty. Req.	Model	Part #
1	4 Turns Lock to Lock
1	Cylinder Helm Tube Oil	1 1 1 3	BA125-7ATM SeaStar I–Standard * 3/8" dia Nylon (note 1 & 3) SeaStar Oil	HC5312 HH5271 HT5___ HA5430
	For Extra Steering Station Add:
	Helm Fitting Kit Extra Tube Oil	1 1 1 1	SeaStar I–Standard * Add a Station 3/8" dia Nylon (note 1 & 3) SeaStar Oil	HH5271 HF5502 HA5430

1	Description	Qty. Req.	Model	Part #
2	5 Turns Lock to Lock
1	Cylinder Helm Tube Oil	1 1 1 3	BA135-7ATM SeaStar I–Standard * 3/8" dia Nylon (note 1 & 3) SeaStar Oil	HC5313 HH5271 HT5___ HA5430
	For Extra Steering Station Add:
	Helm Fitting Kit Extra Tube Oil	1 1 1 1	SeaStar I–Standard * Add a Station 3/8" dia Nylon (note 1 & 3) SeaStar Oil	HH5271 HF5502 HA5430

1	Description	Qty. Req.	Model	Part #
3	6 Turns Lock to Lock
1	Cylinder Helm Tube Oil	1 1 1 3	BA150-7ATM SeaStar I–Standard * 3/8" dia Nylon (note 1 & 3) SeaStar Oil	HC5314 HH5271 HT5___ HA5430
	For Extra Steering Station Add:
	Helm Fitting Kit Extra Tube Oil	1 1 1 1	SeaStar I–Standard * Add a Station 3/8" dia Nylon (note 1 & 3) SeaStar Oil	HH5271 HF5502 HA5430

1	Description	Qty. Req.	Model	Part #
4	4-1/4 Turns Lock to Lock
1	Cylinder Helm Copper Tube/ SeaStar Hose Oil	1 1 1 3	BA150-7TM SeaStar II–Standard ** 3/8" dia Copper Tube (note 2 & 3) or SeaStar Outboard Hose (note 2 & 3) SeaStar Oil	HC5318 HH5272 HO5___ HA5430
	For Extra Steering Station Add:
	Helm Fitting Kit Extra Tube Oil	1 1 1 1	SeaStar II–Standard ** Add a Station 3/8" dia Copper (note 2 & 3) SeaStar Oil	HH5272 HF5502 HA5430

1	Description	Qty. Req.	Model	Part #
5	5-1/2 Turns Lock to Lock
1	Cylinder Helm Copper Tube/ SeaStar Hose Oil	1 1 1 3	BA175-7TM SeaStar II–Standard ** 3/8" dia Copper Tube (note 2 & 3) or SeaStar Outboard Hose (note 2 & 3) SeaStar Oil	HC5319 HH5272 HO5___ HA5430
	For Extra Steering Station Add:
	Helm Fitting Kit Extra Tube Oil	1 1 1 1	SeaStar II–Standard ** Add a Station 3/8" dia Copper (note 2 & 3) SeaStar Oil	HH5272 HF5502 HA5430

OPTIONAL EQUIPMENT	Part #
Back Plate Kit (for use with Standard Helms) 20 Degree Wedge (for use with Standard Helms) Autopilot Fitting Kit (for use with all Helms) * Tilt Helm-SeaStar I * Sport Tilt Helm-SeaStar I * Rear Mount Helm-SeaStar I Tilt Helm-SeaStar II Sport Tilt Helm-SeaStar II ** Rear Mount Helm-SeaStar II	HA5418 HA5419 HF5502 HH5741 HH5291 HH5261 HH5742 HH5292 HH5262

For systems 1, 2 & 3 - nylon tubing (3/8" diameter) is the standard requirement for plumbing the system. Copper tubing (3/8" diameter) can be substituted but Fitting Kit HF5507 is required.
For systems 4 & 5 - copper tubing (3/8" diameter) is the standard requirement for plumbing the system. Fitting Kit HF5508 is required.
For systems 1, 2, 3, 4, & 5 SeaStar outboard hose can be substituted for nylon or copper tube. These hoses must be ordered in standard lengths. They cannot be cut to length.

Features