PALFINGER lightweight Slipway System with an extendable and retractable winch-operated boat cradle with tilting guide rollers & boat securing arrangement
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PSEC-W

Slipway System with Winch-Operated Boat Cradle

Configuration

  • Lightweight system for small RHIBs
  • Winch-operated slipway cradle
  • Adjustable cradle immersion
  • Tilting guide rollers & securing arrangement
Boat reached its final position within the cradle
Features

Features

SWL: According to customer requirements (Max 3T)
Boat cradle: Tubular steel frame with fenders and passive rollers
Slipway operation: Single-operator
Cradle shape and dimensions: Designed to purpose and boat(s)
Slipway angle: Up to 15° slope angle
Slipway access/entrance: Via tilting guide-roller arrangement on slipway cradle
Boat guiding system: Cradle shape incl. fenders and tilting roller arrangement
Cradle suspension: Load bearing rollers
Cradle movement (In/Out): Hydraulic or electric winch
Cradle elevation (Up/Down): By winch and mechanical guide arrangement
Boat securing mechanism: By tilting roller arrangement, cradle shape and fenders
Recovery of boat: The boat drives into the cradle, passing over the tilting guide rollers, which rotate to support and secure it in place.
Recovery method: Gradual transfer of boats weight from water to cradle

Options

Options

  • Remote control from daughter craft
  • Various remote control options on vessel side
  • Hydraulic Power Unit (HPU) for cradle-winch
  • Emergency boat recovery by cradle-winch
  • Adjustable cradle length
  • Stern door

Detailed Product Information

Find out more about our Slipway and Stern Entry Systems with boat cradle.

Slipway Systems with Boat Cradle

PALFINGER's boat cradle is an open and light tubular steel design, which minimizes forces induced by waves and currents. The boat cradle is supported by mechanical load bearing support/drive rails and wheel/bearing arrangements on both sides of the boat cradle structure.

The inside of the boat cradle is fitted with fenders to protect and guide the water craft during launch and recovery. A weaklink mechanism protects the boat cradle against higher forces than it is designed to withstand. The “bow section” of the boat cradle is fitted with an automatic mechanical securing clamp. The clamp is hydraulic operated and equipped with a quick-lock function.

The stern end of the boat cradle is designed for easy and safe access during launch and recovery and to avoid any conflicts with daughter craft’s drive system. The system is also well suited for handling of crafts with multiple outboard engines or stern drives.

Max. Sea State for Slipway Operations

Test and operational use of this Slipway System have been performed in Sea States 3 with mother vessel steaming ahead with low speed.

Safe operations at higher Sea States may be possible but is highly dependent on:

  • Mother vessel heading and speed
  • Mother vessel responsiveness (RAO Profile)
  • Waves and wind pattern
  • Boat driver's skills

Boat Cradle Drive System

Rails on each side of the boat cradle serve as guide and support mechanisms for the boat cradle while it is travelling up and down the slipway slope. One of the guide rails on each side of the slipway slope is fitted with a tooth rack for the drive system.


Longitudinal movements and heave/lowering of the boat cradle is done by hydraulic powered pinion drives mounted on each side of the boat cradle. The hydraulic pinion drive motors are fitted with automatic overrunning clutches, allowing residual energy from the water-craft to be transferred into forward motion of the boat cradle in case the water-craft is approaching the boat cradle with excess speed.

Boat Cradle Elevator

Vertical movements are driven by the two mechanical support and guide rails on each side of the boat cradle. The mechanical support and guide rails (located on the stern of the vessel) guide the boat cradle to the horizontal parking position when the boat cradle is retracted by the rack and pinion drive system.

Download Area

Brochure: Shipboard Slipway Systems

English 2026

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