522

NICHOLLS'S SEAMANSHIP AND NAUTICAL KNOWLEDGE

from tipping centre, is then filled with 40 tons water. Required the
new draught.

Fig 40.

• 1 tOI1S 40 t-i.

Mean sinkage =, = = * mch

total moment 180X40 72

Half trim =24 ins.

Forward

Aft.

ft.
ins.
ft.
ins.

Original draught Mean sinkage
12 00 1
12 01
14
00 1

14
01

Half trim Final draught
—
24
+
24

11
10-6
14
034

Half the total trim is allocated to each end.

Example.—Given T.P.L 53. tons, I.T.M. 1423 foot-tons. Find the
efEect of adding 100 tons to No. 1 hold 150 feet forward of the tipping

centre.

Pig, 41