This ingenious system allows you to adjust the angle between the mast and the boom with precision.

Adjustable boom hold kit for dinghies.

This ingenious system allows you to adjust the angle between the mast and the boom with precision.

The kit includes:
- the pushing rod
- the adjustment rail to be mounted on the deck
- the trolley with pulley
- the attachment to the mast

Dynamic Rig Adjustment
Horizontal Mast Ram
These new systems have been developed using Allen Brothers wealth of experience with a number of craft in mind and can be customized to each boat with great ease. Examples of applications include the 505 horizontal mast strut (other kit = A3210), Fireball vertical mast strut (other kit = A3211) and Graduate GNAV system (kit sold here). In all cases we provide a complete kit.

GNAV-SYSTEM

A3212

Technical documents can be downloaded here