Before revision: Three or four cylinders (simple) The result should be multiplied by 1.5 for a three-cylinder locomotive and by two for a four-cylinder locomotive.Ian Allan ABC of British Railways Locomotives, winter 1960/61 edition, part 1, p. 3 Alternatively, tractive effort of all 'simple' (i.e.
After revision: Three or four cylinders (simple) The result should be multiplied by 1.5 for a three-cylinder locomotive and by two for a four-cylinder locomotive.Ian Allan ABC of British Railways Locomotives, winter 1960/61 edition, part 1, p. 3 Alternatively, tractive effort of all "simple" (i.e.