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The Gougeon Brothers on Boat Construction - WEST SYSTEM Epoxy

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Chapter 11 – Laminating and B<strong>on</strong>ding Techniques 93<br />

Spacers to keep<br />

timber off floor<br />

and ease<br />

clamping.<br />

Clamps (plenty of them)<br />

should be clean and easy to<br />

adjust before the laminating<br />

process begins.<br />

Knees or cleats nailed to<br />

lofting <strong>on</strong> floor. Knees <strong>on</strong><br />

inside can be positi<strong>on</strong>ed to<br />

allow adjustment of timber<br />

with wedges.<br />

Figure 11-1 Cleats and clamping arrangement for laminating<br />

structural pieces <strong>on</strong> a floor or baseboard.<br />

Figure 11-2 Laminating a l<strong>on</strong>g structural member for<br />

trimaran crossbeam using cleats secured to the lofting floor.<br />

1" x 2" cleats<br />

Plywood sides<br />

Figure 11-3 A simple form for laminating wider pieces.<br />

plywood edge. Cut out two identical pieces of plywood<br />

and place them at the desired distance from <strong>on</strong>e another.<br />

<str<strong>on</strong>g>The</str<strong>on</strong>g>n fasten and b<strong>on</strong>d the lath planking into positi<strong>on</strong><br />

at desired intervals. Add any additi<strong>on</strong>al bracing that is<br />

needed to make the structure sufficiently sturdy. Using<br />

additi<strong>on</strong>al crosspieces to press the laminati<strong>on</strong> material<br />

against the form, clamp the laminating stock to this<br />

form by positi<strong>on</strong>ing a clamp at either edge of the mold<br />

form.<br />

Often, the hull framework itself serves as a natural<br />

laminating form, and you can save a great deal of time<br />

by taking advantage of this. Take special care that no<br />

damage occurs to the framework during the laminating<br />

Figure 11-4 Laminating floor timbers using stringers as the<br />

form.

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