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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The Petrol Motor 215
There is also a form of mechanical vaporiser, in which
the spray produced is so fine that it forms a mixture
with air which is easily ignited. Engines fitted with
a vaporiser of one form or another are intermediate
between the petrol engine proper and the oil engines
to be described in the next chapter. They differ
from petrol engines only in the means for convert-
ing a less volatile liquid fuel into vapour.
Engines for Motor-cars
The number of makes of motor-car engines is so
great that if details were discussed it would be diffi-
cult to know where to stop. We shall, therefore,
confine attention in this section to one well-known
type, selecting for that purpose the engine made by
Wolseley Motors, Limited, of Birmingham. On Plate
19, Fig. 121, will be found a view, half in section, of
the 16-20 horse-power four-cylinder Wolseley engine,
as seen from the water pump and magneto side. Each
important part is marked on the drawing with a
figure, and the index to parts will enable the con-
struction and mode of operation to be understood
without difficulty. Fig. 122, Plate 20, shows a similar
view from the carburettor and oil-pump side. For
the sake of the reader who wishes to examine the
construction a little more closely a line drawing of
the complete section is given in Fig. 123. In this
drawing three pistons are shown in outside view, and
one_-that on the left—in section.
It will be noticed that the crank case carry-
ing the bearings is in two parts, bolted together and