All About Engines
Forfatter: Edward Cressy
År: 1918
Forlag: Cassell and Company, LTD
Sted: London, New York, Toronto and Melbourne
Sider: 352
UDK: 621 1
With a coloured Frontispiece, and 182 halftone Illustrations and Diagrams.
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226 All About Engines
of 50 horse-power, and had seven cylinders driving
one crank. The cylinders were bolted to a ring fitting
over the main shaft, which was fixed, and as the
cylinders themselves rotated round the shaft the
Fig. 129.—Diagrammatic longitudinal section of Gnome engine
pistons moved in and out. Remembering that
the crank is fixed and that the cylinders alone
can move, fix the attention on any one cylinder
with its piston and connecting rod as the cylinders
rotate. Obviously the piston will move up and
down in the cylinder, and if a charge of petrol and
air is introduced at the proper moment and exploded
the motion will be kept up.