Mastering Deflection


As we approach Minnesota’s Western Challenge in 37 days, here’s a practical article on DN iceboat plank deflection recently forwarded to a new DN builder and sailor by Warren Nethercote KC3786.

John Jambock’s article was published in the 1991 DN Newsletter. Deflection is a critical factor in improving the performance of an iceboat, and it determines how well the boat handles on the frozen surface. John Jombock’s article provides valuable insights into the optimal thickness and materials for planks that can achieve the required stiffness.

DESIGNING DN RUNNER PLANKS FOR STIFFNESS by John Jombock US1513

If you’re interested in exploring more articles with technical and sailing tips, check out our archive from the original DN class website originally created by Paul Goodwin. There’s a wealth of knowledge waiting for you there. IDNIYRA Website Articles Archive