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Posted by on Jun 19, 2014 in US, Video | 0 comments

Flipping Out: Jarrett Bay’s Blank Check

Watch the Jarrett Bay 84 Blank Check perform a gymnastics move in this time-lapse video.

Blank Check is a pretty good name for a sportfish yacht, especially when famed North Carolina builder Jarrett Bay is building it. Having built nearly 60 hulls up to 77 feet in length, the Jarrett Bay 84 Blank Check (Hull #60) is the biggest custom project undertaken by the Carolina sportfish builder to date.

To comprehend the enormity of this project, you have to give it some scale. And this video does just that. But to understand what is actually happening in the video, you first need to know a little about the cold-molded boatbuilding process, the method with which almost all Carolina sportfish boats are constructed. What’s interesting about this process is that boats are essentially built from the inside out, versus the outside in, as most molded fiberglass boats are.

The first step in the process is building a jig. The jig is essentially a support frame with wood stations used to create a male “mold” to which the outside panels that will form the hull are attached. Next, long lengths of marine plywood are fastened to the jig, generally in two layers perpendicular to each other. The plywood is highly bendable, which means it can be forced into complex hull shapes, such as the convex bends of a hull with lots of Carolina flare.

A photo of a cold-molded boat under construction.

This is what a cold-molded boat looks like for the first stage of its life before being flipped upright.

Once the plywood has been fastened to the hull and the layers of wood bonded together, layers of various fiberglass cloths are laminated to the plywood in a precise schedule using epoxy resin. Last, the hull is slathered with faring compound and sanded smooth.

But perhaps the biggest moment in a cold-molded boats life is when it is flipped from being upside down to right side up, which is what is happening in this video. Sometimes this flip is done with cranes, but in this case, Jarrett Bay cleverly used its Travelift and launch slip to keep the hull from coming into contact with the ground.

Once the boat is right side up, work can begin on the interior of the boat. I don’t know about you, but I can’t wait to see her finished.

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