Q What is meant by a "highspeed" diesel engine? I have
24th May 1974, Page 76
24th May 1974
Page 76
Page 76, 24th May 1974
— Q
What is meant by a "highspeed" diesel engine? I have
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read in several truck specifications that they are fitted with such engines but they only rev to 2200 rev' min which I would not describe as "high speed".
ASpeed, of course, is relative and compared with a petrol engine, a maximum speed of 2200 rev/ min is extremely slow. In general terms the classification of rotational speeds for diesel engines can be summed up as follows:
(a) Low speed (100-250 rev/ min) — usually marine engines.
(b) Medium speed (300-1000 rev/ min) — marine use for stationary generator sets.
(c) High speed (over 1000 rev/ min) — vehicle use.