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420 Seldén Cumulus Mast Unrigged
Designed to give the best stiffness to weight ratio available in an alloy extrusion. Material, section shape and size, and wall thickness all have a major effect on both the static and dynamic bend characteristics of a tube. These details are studied in the design of every section and are carefully checked on every piece of spar tube Seldén use.
The Cumulus masts are using the new Xtra Proof Strength (XPS) aluminum alloy.
Supplied complete excluding rigging (see related items). NOTE: This is a collection only product.
Features: All masts are made from XPS aluminium. CNC plasma cut tapers for ultimate accuracy and consistency Heat treated after tapering increases material hardness. Durable peened finish. Welded in headbox.
|Sectional Weight||1.04 kg/m|
|Dimension - fore/ aft||70.5 mm|
|Dimension - athw||58.7 mm|
|Stiffness - fore/aft||20.41 cm4|
|Stiffness - athw||14.4 cm4|
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