The internal combustion engine; being a text book on gas, oil and petrol engines, for the use of students and engineers (1909)
Wimperis, Harry Egerton, 1876- · New York, Van Nostrand · leaf 162
lder form of indicator, has no weight and therefore THE GAS ENGINE 141 no inertia to make it lag behind its true position. ProfessorHopkinson claims that with an instrument devised by himon the reflecting principle, the indicated horse-power can bemeasured with an error of less than 1 per cent.,… … Fig. 45.—Air Pressure Vessel and Pumps for startingCampbell Gas Engine. Civil Engineers on the Efficiency of Internal CombustionEngines the following remark occurs : It would be desirablebut for one circumstance to calculate the relative efficiencyonly from the indicator horse-power. But it appears…
Internal combustion engines
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