An inside cylinder locomotive has its cylinder centre lines 1 m apart and has a stroke of 1 m. The rotating masses per cylinder are equivalent to 200 kg at the crank pin, and the reciprocating masses per cylinder to 300 kg. The wheel centre lines are 2 m apart. The cranks are at right angles. The whole of the rotating and 2/3 of the reciprocating masses are to be balanced by masses placed at a radius of 0.8 m. Find the value of variation in tractive effort at 300 rpm. Select one:

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