Alloy GROOVY - 14.5 mm Ø
Details
Anodised aluminium GROOVY, natural anodised colour, 95 grams/metre. Maximum 2500 mm long. 15 mm at each end may be imperfect where the anodising clamps have been attached.
It is expensive sending full length pieces so consider having several and split the cost of transport with others. 1.0 metre lengths are less costly to send and can be made into masts using joint piece 18-145.
Graphs of 'Stiffness of mast spar material against diameter' and 'Stiffness of mast spar material against weight/metre' are shown in the thumbnail sketches. The suitability of any SAILSetc mast spar material for its intended application can be checked using the graphs shown in the FAQs section - link.
Notes and sketches related to GROOVY mast material can be found here.
Guidance on pens suitable for marking difficult surfaces - here.