The Class B Drive Unit works with the Reactor 40 Mechanical/Retrofit/Solenoid Corepack to control your sailboat’s steering system. This device is designed for use with sailboats with up to 48,400 lbs of displacement.
Specifications:
| Dimensions (WxHxD, centered) | 31.9 X 4.6″ X 8.9″ (810 X 120 X 225 mm) |
| Drive unit type | integrated hydraulic linear |
| Stroke length | 10″ (254 mm) |
| Maximum thrust | 1,610 lbs (730 kg) |
| Supply voltage | 10V to 30 V (regulated to 12V by the ECU) |
| Average clutch current at 12V | 1 Amp |
| Average motor current at 12V | 2-4 Amps |
| Operating temperature | -15° C to 50° c |
FAQs
Inspect and tighten mounting and tiller-bolt hardware regularly and lubricate the rod end and tiller bolt with marine-grade grease compatible with nitrile seals.
Install at least 20 cm (8 in.) away from marine speakers, and avoid locations with strong magnetic interference.
The supplied M8 bolts, washers, and nuts are suitable for mounting on a surface 12 mm (0.47 in.) to 24 mm (0.95 in.) thick. Mounting holes should be 8.8 mm in diameter, spaced 76.2 mm (3 in.) apart.
Drill a 12.2 mm (0.48 in.) hole in the quadrant or tiller arm, insert the tiller bolt, secure with M12 washer and locknut, and apply LOCTITE 638 or equivalent.
Do not cut the drive-unit cables, as cutting them voids your warranty.
The input voltage for the drive unit is 12 Vdc, regulated by the autopilot ECU.
The stroke distance from fully retracted to fully extended is 254 mm (10 in.).
Current rating at 100% duty (continuous) is 12.5 A.
Contact the SailRACE team — as certified marine experts we’re happy to help with product selection, installation and after-sales servicing, before and after your purchase.