Raychart RC435i Especificações descarregar pdf (Página 58)

56 AUTOPILOTS

1.2 Mechanical steering systems

When selecting an autopilot drive unit for a mechanical steering system, the vessel displacement is the determining factor for selecting the correct drive.

When determining your vessel displacement, always add 20% to the dry weight of your vessel to account for the added

weight of fuel, gear, provisions and people. Next, select the type of autopilot drive unit that is right for your mechanical steering system.

Raymarine SmartPilot drive units for mechanical steering systems are available in linear, hydraulic linear and rotary configurations.

Mechanical linear drives

Our most commonly used drive types for sailing vessels. Raymarine mechanical linear drives

provide powerful thrust, fast hard-over times and quiet operation. Mounted below decks, the linear

drive moves the rudder directly by pushing the tiller arm or a rudder quadrant.

DRIVE TYPE TYPE 1 TYPE 1 TYPE 2 SHORT TYPE 2 LONG

Maximum boat displacement 9,000 kg (20,000 lb) 11,000 kg (24,000 lb) 15,000 kg (33,000 lb) 20,000 kg (44,000 lb)

Peak thrust 295 kg (650 lb) 295 kg (650 lb) 480 kg (1,050 lb) 480 kg (1,050 lb)

Maximum stroke 300 mm (12") 300 mm (12") 300 mm (12") 400 mm (16")

Hard over to hard over times (+/- 35°, no load) 11 seconds 11 seconds 11 seconds 14 seconds

Maximum rudder torque 735 nm (6,500 lb.in) 735 nm (6,500 lb.in) 1,190 nm (10,500 lb.in) 1,660 nm (14,700 lb.in)

Power consumption 18–36 W 18–36 W 48–72 W 48–72 W

Corepack used S1 or S1G S2 or S2G S3 or S3G S3 or S3G

Notes:

• A linear drive unit connects to the rudder stock via an independent tiller arm. Accessory fittings from your steering system manufacturer may be required.

• Vessels with 24V DC power must use S3 or S3G corepacks and a 24V drive.

• An authorised Raymarine dealer is best suited for installing a linear drive system.

• Must be able to back-drive steering system from the rudder.

Hydraulic linear drives

Designed for larger mechanically steered vessels over 20,000kg, our hydraulic linear drives are self-

contained hydraulic steering systems consisting of a reversing pump, reservoir and hydraulic ram.

DRIVE TYPE T2 T3

Maximum boat displacement 22,000 kg (48,500 lb) 35,000 kg (77,000 lb)

Peak thrust 585 kg (1,290 lb) 1,200 kg (2,700 lb)

Maximum stroke 254 mm (10") 300 mm (12")

Hard over to hard over times (+/- 35°, no load) 10 seconds 12 seconds

Maximum rudder torque 1,270 nm (11,300 lb.in) 3,200 nm (28,800 lb.in)

Corepack used S3 or S3G S3 or S3G

Notes:

• An hydraulic linear drive unit connects to the rudder stock via an independent tiller arm. Accessory fittings from your steering system manufacturer may be required.

• Vessels with 24V DC power must use S3 or S3G corepacks and a 24V drive.

• An authorised Raymarine dealer is best suited for installing a linear drive system.

• Must be able to back drive steering system for the rudder.

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