Fireball Mast
All Fireball masts are made from 6082T6 aluminium. CNC plasma cut tapers for ultimate accuracy and consistency Heat treated after tapering increases material hardness. Durable peened finish. Welded in headbox. Optional dealer fit halyard lock. Fittings Ball bearing spinnaker halyard and pole lift boxes. Fully adjustable spreader system. Vernier spreader length adjusters. Gooseneck with stainless steel spigot and positive lock. Alto Cumulus Section weight: 1.073 kg/mDimension fore/aft: 70.5 mmDimension athwart: 59.5 mmStiffness fore/aft: 21.49 cm4Stiffness athwart: 14.96 cm4 Section weight: 1.04 kg/m Dimension fore/aft: 70.5 mm Dimension athwart: 58.7 mm Stiffness fore/aft: 20.41 cm4 SStiffness athwart: 14.4 cm4