1921-01-01

COMMERCIAL MOTORBOATS AND THE DIESEL ENGINE 210034

It is stated that, in the commercial motor boat field, the boat owner must choose between the various types of internal-combustion engine, broadly speaking there being three forms of such engines available today in small and moderate sizes; (a) the gas engine, (b) the surface-ignition or hot-bulb engine and (c) the Diesel engine. Charts are presented which show certain approximate costs of operation of the three types for various sizes of engine.
Fuel and lubricant economy are discussed in connection with the question of the choice between a Diesel and a hot-bulb engine and, in regard to mechanical operation, it is stated that there is little choice between any of the three types under discussion, since all are reliable. For sizes of 100 b. hp. and less, some form of hot-bulb or surface-ignition engine has the field to itself, but for sizes above 100 hp. the Diesel engine shows its superiority.

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