1561/99.
་་ 'གས་
9th September, 134.
Encl.No.1
Encl.No.2
if,
and rected to forward for experimental tank test a "fr" plan of a cruising launch wich is under ces n by the Government arine Purveyor for Police services in the waters of the olony of Hong Yong.
t is desired that the design should be
examinel by you for speed, seaworthiness, etc.
LF
The form has been designed on a 5.7. length of 12). 5 feet, with a moulded disolncement at
'-)" mean draft (7'-. 10'-3A) of 363 tons, having the 5.0.8. 1.33 feet aft of urdinate 10. It is
estimated that with tile expansion engines developing 1,100 ... at 200 revolutions er minute a speed of about 14.25 knots should be obtained. f however, in your judgement, an appreciable improvement in speed could be uhtained without either decreasing the moment of inertia of the resent load water clane, or incre- ing the disola.ement by more than 10 tons, you are at liberty to vary the dimensions up to 5 of those submitted, e ther positively or negatively, and conduct
The Superintendent,
Pilliam Froude National Tank,
The National Physical aboratory,
eddington.
Englan
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