Part 31 (1/2)

NOTE (p. 255).

_Dimensions of the 'Great Britain' Steam-s.h.i.+p._

feet inches

Total length 322 0

The length of keel 289 0

Beam 51 0

Depth 32 6

Feet of water 16 0

Tonnage measurement 3,443 tons.

Displacement 2,984 ”

_Dimensions of original Engines, &c._

Number of cylinders 4

Diameter of cylinders 88 inches

Length of stroke 6 feet

Weight of engines 340 tons

Weight of boilers 200 ”

Water in boilers 200 ”

Weight of screw-shaft 38 ”

Diameter of screw 15 ft. 6 in.

Pitch of screw 25 ft.

Weight of screw 4 tons

Diameter of main drum 18 feet

Diameter of screw-shaft drum 6 ”

Weight of coal 1,200 tons

CHAPTER X.

_STEAM NAVIGATION._ _INTRODUCTION OF THE SCREW PROPELLER INTO THE ROYAL NAVY._