DN Specification Interpretations
INTERPRETATIONS OF THE OFFICIAL SPECIFICATIONS BY THE TECHNICAL COMMITTEE
Effective May 31, 2020
10/17/83: It is allowed to use a mast which is reinforced with carbon fibers from the inside as well as the outside.
10/17/83: It is allowed to reinforce an aluminum mast with a piece of wood from the inside.
7/01/96: Masts built prior to July 1, 1996, shall be considered legal if they meet prior specifications.
11/30/98: The minimum weight and balance point specifications (C.3.g and C.3.h) must be met with and without any removable internal reinforcement.
11/30/98: The mast must be one piece when used in a regatta.
02/15/2013: In specifications C.3.f. and C.3.g, the term “stays” includes all components and devices used to connect the cables to the mast hound at the height of the lower mast hound bolt, reference specification H.13., All components and devices used to connect the cables to the mast hound at the height of the lower mast hound bolt must be removed from the mast when determining the weight, C.3.f., and the balance point, C.3.g.
International DN Ice Yacht Racing Assocation
DN North America