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  • Dinghy launching
  • How Dinghy Derrick works
  • Technical & Gallery
    • 12 key advantages of Dinghy Derrick
    • Installation – DIY or professionally fit
    • Fitting to the transom/Yacht Survey
    • Halyard layout and rigging
    • Dinghy lift points and strop layout
    • Use of securing harnesses
    • Electrical system
    • Maximum carrying loads
    • Removing Dinghy Derrick for storage
    • Dinghy Derrick gallery
  • Home
    • About us
    • Contact us
    • Price & Sales information
    • Terms and conditions
    • Privacy policy
  • Dinghy launching
  • How Dinghy Derrick works
  • Technical & Gallery
    • 12 key advantages of Dinghy Derrick
    • Installation – DIY or professionally fit
    • Fitting to the transom/Yacht Survey
    • Halyard layout and rigging
    • Dinghy lift points and strop layout
    • Use of securing harnesses
    • Electrical system
    • Maximum carrying loads
    • Removing Dinghy Derrick for storage
    • Dinghy Derrick gallery

Dinghy Derrick gallery

Home / Dinghy Derrick gallery

 

In a marina, you can walk under the dinghy onto the quayside
Showing the dinghy fully elevated, which is the same at anchor by a beach, or moored in a port
Lowering the dinghy with the platform already down
Dinghy Derrick is lifted by 2 halyards, using 2 pulleys per side linked to 3 lift points on each side, on a self compensating system.
The assembly is made from mirror polished marine grade 316 stainless steel., with black anodised alloy track and cars.
A diamond shaped plate fits over the EPDM contoured base, and carries the bracket using 4 coach bolts into the hull. On the inside there are large square washers flattened down to the internal contour with wedge washers to build up to square-on for the M10 nut. This permits further internal reinforcement if thought necessary.
The bracket has 2 available hinge positions with 2 groups of holes, one above, one below. The fitter inserts a dropnose pin in the chosen hole which provides the rotational limit for the track arm movement. By removing the hinge pin the entire framework can be taken off for stowage when not being used.
The track arm shoe carries the hinge tube with a grease nipple, set into the bracket hinge hole.
The Transom Bracket mounted. The lowest hole is used to clip on a securing harness.
The Transverse Link joining the 2 sides has numerous holes into which bolt the rotating davit arm boss and locking boss. The holes are chosen to match the separation of the dinghy lifting points permitting easy changes to hang a different dinghy. 5 standard lengths are available.
The Transverse Link- a tube joining the 2 sides is carried on a subframe member which due to the many holes can be attached to the sliding cars and the T/Link at differing points to alter the reach and elevating height.
Two sliding cars carry the Transverse Link joining the 2 sides.
Sliding cars are cast in hard alloy then black anodised, and carry 100 recirculating bearings.
The hinging davit arm from which the dinghy is suspended. The numerous holes allow for various suspension points to be chosen and easily altered.
The dinghy can be attached to the frame by velcro straps when docking and to further aid stability during lift, launch and carriage.
Velcro harness securing Transverse Link to the dinghy handle.
The webbing harness is used to pull the dinghy in tight and prevent movement during energetic sailing. It maybe deployed in 3 different modes to suit the yacht/dinghy combination. This shows the stern strap when attached using the davit arm end eye.
The webbing harness forward strap when attached in one of the modes using the davit arm end eye.
Looking down on the dinghy during carriage, one can see the 2 Velcro straps onto the Transverse Link, and the webbing harness lateral attachment clip.
A large set of 316 stainless steel rigging fixtures are supplied as a kit.
Ark-marine rigging pulley
Ark-marine 400kg load capacity clutch for 6mm lines
The Backstay Clamp with tang, for mounting pulley blocks or shackles
A circuit breaker, long delay type, is required but not supplied by Ark as standard because users may prefer commonality with their existing C/B set up and may have spare panel space for one. The C/B is an optional extra and we supply the Carling AA series, either 30 or 40 Amp rated.
Dinghy Transom Bracket carries an extension arm, which offers a shackle lift eye up to 220mm inboard of the transom should there be an outboard motor which sits too close to the Track Arm.
Adjustable davit arm boss
EPDM90 shims
The Radio Receiver installed below which picks up signals from the Remote Control pendant
The deck switch to control the winch/windlass, with one of the remote control pendants (2 supplied, more can be used)
The powerful winch windlass, available in 12 or 24v DC. The halyard wraps around this drum.
The powerful winch windlass, available in 12 or 24v DC.
6mm halyard, blue, breaking strain 1.4 tonnes.
The survey kit used by Distributors contains many useful measuring devices in one case.

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