126 



REPORT — 1859. 



Table D.— Showing the Mutual Relations of Displacement, Power, and 

 Coals consumed per Day, per Hour, and per Knot, for the respective Speeds of 

 10, 15, 20, and 25 Knots per Hour : — the Coefficient of Dynamic Performance 



V 3 Di 



deduced from the Formula being assumed to be 250, and the Con- 



Lnd. n. p. 



sumption of Coals at the rate of 2\ lbs. per indicated horse-power per hour. 



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