Exlex X 4 8 meters The molds are up.

Inside the Västervik workshop, solo designer and builder Sven Yrvind stands over the construction jig for his high-latitude cruiser, Exlex X. Working methodically down the length of the building frame, Yrvind secures the transverse stations that will shape the double-ended hull. As the framework takes shape, he notes that “now some more molds are coming up” along the strongback. With steady progress across the jig, only one station remains to be fixed at the forward end, with Yrvind confirming that “It’s only one left on this stem.”

Aligning the Hull Station Molds

Each station frame provides the precise geometry required for the small ocean cruiser. As the sequence of templates is locked into position, Yrvind checks each station against the reference line. Inspecting the entire row of upright forms, he observes that “now all the molds are up” and secured in their planned sequence. The alignment ensures that the narrow displacement hull maintains fair lines from the stem back toward the stern.

To prevent distortion under load, the building jig relies on transverse and longitudinal bracing. Checking the orientation of each timber component, Yrvind notes that “there is the support staggered” to keep the stations rigid and true. By inspecting the framework from above, he confirms that “they’re all in the center” and resting flat across the workshop floor. The proper alignment of these station frames establishes the foundation for skinning the hull envelope.

Preparing the Clamping Blocks

With the primary mold frames erected, attention shifts to securing the hull skin. Yrvind prepares the jig for the planking stage, where plywood panels and Divinycell foam core will be clamped over the framework. Looking down at the lower edges of the templates, he outlines the next construction task, explaining that he must “put up all these bottom blocks to when I put the clamps on the plywood” along the hull. These wooden backing blocks will provide solid contact points when mechanical clamps press the sheet material against each station.

Surveying the completed skeleton of molds, Yrvind inspects the fairness of the sheer and bottom profiles. Satisfied with the precision of the jig setup, he notes that the assembly looks flat and balanced. Looking ahead to the ocean capabilities of the completed hull, Yrvind shares his confidence in the project, remarking, “I feel this is going to be a very, very good one” as workshop construction continues.

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