What Engines Say About Propane Fuel Mixtures 640833

Three industrial engines, including one engine at three compression ratios, were operated on LP-gas mixtures and on gasoline. The work was performed by Ethyl Corp. Research Laboratories under contract with the Natural Gas Processors Association and the National LP-Gas Association.
The paper presents directly comparable information on engine performance and fuel economy when operated on gasoline and LP-gas. Information is presented to indicate the LP-gas antiknock quality needed to satisfy the engines at best-power fuel-air ratio and various ignition timings.


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