Materials for Building the Ulua

Hull

• 60 planks of 1⁄4″ x 3⁄4″ x 18.5′ (6mm x 19mm x 5700mm)
• Enough planks for the hull and end decks can be ripped from 5 pieces of timber, 5 1⁄2″ x 3⁄4″ x 18.5′ (140mm x 19mm x 5.7m), assuming the use of a thin kerf circular saw blade.

Molds

• 2 sheets of 1⁄2″ (12mm) or thicker plywood or particle board

Stems

• 2 pieces of 1″ x 4″ x 30″ (25mm x 100mm x 750mm). These can be of cedar or any other softwood.

Gunwales

• 4 pieces of 3⁄8″ x 1″ x 18.5′ (10mm x 40mm x 5700mm). Harder woods like mahogany or ash are more durable.

Bulkheads and Ring Frame

• 3 pieces of 16″ x 18″ x 3⁄16″ or 1⁄4″ (400mm x 450mm x 4 or 6mm) plywood. Bulkheads can be strip composite.

Seats

• 2 pieces of 3⁄4″ x 10″ x 18″ (19mm x 250mm x 450mm). seats can be of plywood or solid timber.

Iakos

• 10 pieces of 5⁄16″ x 2 3⁄8″ x 6’8″ (8mm x 60mm x 2000mm)

Fore and Aft Decks

• 2 pieces of 18″ x 3’8″, 3⁄16″ or 1⁄4″ (450mm x 1100mm, 4 or 6mm) plywood
• OR: 30 strips of 3⁄16″ x 3⁄4″ x 44″ (4 to 6mm x 19mm x 1100mm) plywood for strip decks

Epoxy Resin

• 3 1-gallon (4-liter) kits of resin and hardener
• Bag of glue powder
• Bag of fairing powder

Fiberglass

• 4 pieces of 6-ounce (200-gram) 18.5′ x 26″(6000mm x 650mm) for hull
• 4 pieces of glass for top and bottom of strip deck, 18″ x 44″ (450mm x 1100mm)
• Miscellaneous strips for glassing in bulkheads
• 2 pieces of 10-ounce (330-gram), 16′ x 16″ (5000mm x 400mm) for ama, or:
• 4 pieces of 6-ounce (200-gram) fiberglass cloth

Ama

• 2 pieces of 4″ x 8″ x 12’8″ (100mm x 200mm x 4000mm) blue Styrofoam (can use 2″ [50mm] foam and glue layers together) 1⁄2 sheet; 1⁄8″ or 3⁄16″ (3mm or 4mm) plywood for shear web.