The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose

by Thomas Walter Barber

Section 60.—MOTIVE POWER. MOTORS.

(See also [p. 136].)

[2364]. Compound weight motor, with limited fall. Several weights may be used as shown, slightly decreasing in weight towards the motor. When weight D has run down, C will begin to fall, and go on till all the weights have run down.

[2365]. Hot-air motor. A current of hot air passing up the flue revolves the turbine.

Naphtha engines are gas engines employing the vapour of naphtha and air as an explosive mixture, instead of that of petroleum (oil engine) or carburetted hydrogen gas (gas engine).

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