Union Jack Bill of Materials

The following is a general listing of the primary steel members required to build the vessel, including their description, sizes, lengths, and/or square footage. This listing is to serve as a general guide only, and is not meant to be all-inclusive. Hence, the builder should not use this listing to purchase materials without checking to the plans first to verify sizes and options. In all cases, the builder should check local sources in order to determine stock sizes of materials that may be available. How the members are obtained from the stock and the manner in which the material is utilized will vary to suit stock sizes of materials available in the locale where the boat will be built. This is why many members are listed by square footage. In other cases, members may be obtainable from flat bar, plate, or sheet material; it makes little difference in steel construction. Also, square footage or lineal footage may be given for contoured members which are cut to shape from plate or sheet stock, or could optionally be formed or bent from flat bar stock. Sizes and areas of materials generally include a factor for overage so that minor members not specifically noted can be obtained from scrap material.

ITEM SIZE AMOUNT RQD.
Hull & bulwark
plating
10 Ga. 565 sq. ft.
Skeg & stem plate 1/2" plate 25 sq. ft.
Rudder plate 3/8" plate 4 sq. ft.
Rudder shaft 1-1/2" dia. bar 6 lin. ft.
Engine beds 1/2" x 3-1/2" flat bar 14 lin. ft.
Engine girders 1/4" plate 10 sq. ft.
Chine bars 1/2" round bar 60 lin. ft.
Deck plating 10 Ga. 140 sq. ft.
Cockpit siding 10 Ga. 30 sq. ft.
Shaft tube 2-1/2" O.D. 1/4" wall 7 lin. ft.
Stiffeners 3/16" x 1-3/4" flat bar
3/16" x 2" flat bar
3/16" x 1-1/2" flat bar
420 lin. ft.
90 lin. ft.
65 lin. ft.
Carling 3/16" x 4-1/2" plate or bar 48 lin. ft.
Frames members/bulkheads 3/16" plate 80 sq. ft.
Tanks 10 Ga.
11 Ga.
225 sq. ft.
30 sq. ft.

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