Gnav Rail Dinghy Boom Holder

This ingenious system allows you to adjust the angle between mast and boom with precision. - - Adjustable boom - holding kit for dinghies. This ingenious system allows you to adjust the angle between the mast and boom with precision.kit includes: - push rod - deck - mounted adjustment rail - trolley with pulley - mast attachmentDynamic Rig AdjustmentHorizontal Mast RamThese new systems have been developed using Allen Brothers wealth of experience with a number of craft in mind and can be customised 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 available here). In all cases we provide a complete kit. GNAV SYSTEM A3212 Technical documents can be downloaded here