VIDEO How to create a male mold–in 18 seconds

Thus a male mold of a hull is created in 3 days. This shows a splendid and concise (18 seconds only) time-lapse.
We are at Simmetrix in Bristol, Rhode Island, USA, and the hull you see taking shape is that of the brand new J/121. The first “cut” of the male mold was made using a Poseidon 5-axis milling machine. The next step is to reinforce the foam (foam), supported by the associated steel support structure, with fiberglass and epoxy before a very thin layer of milling epoxy paste is applied to the hull surface. Then, the Poseidon will perform a second and final precision machining to bring the hull to its final shape.


J/121, THE ANTI MELGES 40?j121_exterior_-31250-913-470-100-cMelges launches its 40-footer? J Boats is not sitting on its hands in this Yankee-flavored challenge and “responds” with the new J/121, born from the pencil of Alan Johnstone, a 40′ offshore that promises great performance in both stick racing and long sailing (without missing out on anything for family cruising). Depending on the site, it can be comfortably conducted by 5 or fewer people. The goal, stated, is to make class.

Nothing innovative in terms of design, and that’s the beauty of it. forget about edges, forget about the maximum stern beams that are so fashionable now, high freeboard and solutions to maximize space below deck. The J/121 follows the J philosophy, period. The real novelty lies in the presence of ballasts (which can store about 400 liters), an obligatory solution since the boat is also designed for small-crew sailing.

The keel is L-shaped, the rigging is carbon, and the hull is made of infusion composite. The deck, characterized by an easy-sailing configuration (maneuvers deferred in the cockpit and winches, optionally electric and allowed by the rules of the class to be born, near the double wheelhouse) is “J”-style, the deckhouse is elegant and unobtrusive, and the deck seems to rise a few inches going toward the bow.

J121profile3-31251-913-470-100-cSAIL PLAN.
The J/121’s sail plan provides, as far as pro sails are concerned, only furling solutions (a jib 1, a J4 hoisted on the stroll, a Code Zero from the bowsprit, and up to two A-Sails on whip). Each sail has its own furler, just to make it easier to sail with a small crew. The mainsail has two hands of reefers.

Simple and clean interior. The L-shaped kitchen has a stove top, a deep sink, and a large refrigerator, drawers, and shelves. The sofas in the middle of the boat are long enough to be used as beds for sleeping. The bathroom with shower is aft, alongside the entrance below deck, to starboard, in front of a large technical area. At the bow is a large calavel and even further forward is space for an anchor.

Neither prices nor detailed specifications of the boat are yet known. Who will win the 40-foot challenge? Melges or J Boats?



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