Gooseneck - custom - IOM & other small

Gooseneck - tilted axis gooseneck for 11 mm Ø mast.

The goosenecks in this range all have a tilted axis but are otherwise similar to the popular 005P and 011P ranges. All have a plastic body with a tilted, but fixed, axis. This page allows the browser to specify the other details of the item he wants.

All the goosenecks have the following features:

- Gooseneck body that fits a mast easily
- Drill and fasteners to attach gooseneck body to the mast.
- Boom end fittings that fit the specified boom easily
- Supplied with instructions/diagram.

Choose the following features:

- Type of bearings - ball raced or standard
- Axis tilted at 0.5 or 1.0 degrees
- Type of boom end fitting - SAILSetc, round, Variant or none (i.e. the tang only)
- Type of kicking strap (vang) - plastic or metal

Thanks to Colin Mason for suggesting a neat way of adding an eye to the forward end of the boom for the Cunningham control line.

Axis alignment

The design of the gooseneck body ensures it is aligned with the mast perfectly. If the axis of the gooseneck is required at a slightly different angle, place a packer under one end of the gooseneck body before it is fixed to the mast tube. Use deck patch material or other self-adhesive material to achieve this. 0.1 mm thickness will tilt the axis by 0.1 degree. One layer of SAILSetc deck patch material will tilt the axis by 0.1 degree.

Why have a gooseneck with a tilted axis?

Usually it is possible to arrive at the degree of twist in the mainsail that is required for both windward and downwind courses by a combination of mast rake and bend. However, it can be easier to arrive at the required values of twist if the axis of the gooseneck is tilted (usually with the axis of the goosneck tilted forward). Doing this tends to reduce mainsail twist when the boom is sheeted out for downwind courses. This projects more of the mainsail area to the wind and angles the force vectors better.

Maintenance of the bearings used in this product is described here.

Kicking strap is the English language term used for the adjustable connection between the lower end of the gooseneck and the boom. It is also known as a vang.

Gooseneck, vit de mulet, lümmelbeschlag, zwanehais, svanehais, snood de attacco, pescante arbotante, mangual.