958

MODERN STEAM PRACTICE.

SCANTLING FOR A CLYDE RIVER BOAT (154^ ft. Keel).

Length of keel and fore rake, ...Breadth of beam,

Depth, .

Keel of angle iron, 3 in. x 3 in. x in.Stern, 2^ in. x % in.

Stern post, 12 in. at top, 4 in. at bottom,in. thick.

Frames for 75 ft. amidship, 2 y in. x 2^ in.y.% in.

Fore and aft, 2 in. x 2 in. x % in.

. 154 ft. 6 in.

. 16 „ yi „

. 8 „ 7 ,,

Spaced 3 ft. apart.

Reverse frame, 2 in. x 2 in. x % in.

Floors in boiler space, 6 in. x in.

Do. in engine space, 17 in. x x % in.Deck beams at middle, 3 in. x 2]/ 2 in. x y in,Do. fore and aft, 3 in. x 2 in. x % in,Knees, 12 in. x in.

Plating.

For 63 ft. amidship.

Keel strake, . X plates.

Remainder at bottom, ... X6 - ,, ,,Bilge and top sides, ... X V >> > 5

Counter, . ,, ,,

Fore and aft.x \ in. plates.fV >> »

Bulkheads, in.

Stiffening angle iron, 3 in. x 3 in. x y in.Coal bunkers, }i in.

Stiffening angle iron, iX in.

Paddle beams, 8 in. deep x y in.

Angle iron for do., 3 in. x 2)4 in. x X i n *Engine beams of two plates, 16 in. x y in.Angle iron for do., 2)4 in. x 2)4 in. x y in.Connecting knee plates, y in.

Angle iron for do., 2)4 in. x 2)4 in. x y in.Frame for pillow blocks, 6 in. x 3 in. x y 2 in.Angle iron for do., 3 in. x 3 in. x l / 2 in.Top plating, y 2 in.

Remainder, y in.

Wing wales, 38 in. deep x x 3 ^- in.

Stiffening angle iron, 2 x / 2 in. x 2^in. x yin.Wing carlings, plates x \ in.

Edge angle iron for do., 2 in. x 2 in. x X in.Gunwale for 47 ft. amidships, 15 in . x y in.Fore and aft, of 2)4 in. x 2)4 in. x X in.Bilge keel for 80 ft. amidship, X in* plates.Radius of do., 2 in., projection 5 in.

Angle iron for do., 2 in. X2 in. xX in.Rudder stock, 7X in. diam., }4 in. thick.

] Plates of do., in. x X in.

Wood work.

Stanchions of oak, larch, and red pine.Paddle boxes, 4 in. x 3 in.

Bulwark do. 3 in. x 3X in.

Quarter timbers, oak, 7 in. x 6 in.

Stern timber, larch, 5 in. x 4 in.Gangway stanchions, 6 in. sq.

Top of paddle boxes, yellow pine, 2 in.Cleading for do., 1 in.

Stern plank, 2 in.

Rails of elm, 6 in. x 2 in.

Paddle box rims of elm, 4 in. x 2X in.Covering boards of red pine, 12 in. x 2)4 in.Deck planking, from stern to midship, 5 in.x 2 in. yellow pine; from midships for*ward of Memel, 7 in. x 2 in.

Cabin soles, fore and aft, of elm, iX in.thick.

Bearers for cabin sole, 2 in. square.

SCANTLING FOR A SMALL RIVER BOAT ON THE THAMES .

Length of keel and fore rake,Breadth of beam, ...

Depth,

Draught without passengers,

126 ft. o in.

13 » ° »

7 „ 0 „

2 ,, 6 „