Operation of Natural Gas Engines by Arizona Public Service Company 620157
Natural gas fueled internal combustion engines are replacing conventional electric motor drive as prime movers for deep well irrigation pumping. This strictly economic application required some narrow specifications. An application of a torque sensing device to measure engine output in horsepower produced information of great interest to APS and the industry. Consideration is being given to some new oil developments for this service, and some interesting appurtenance applications have been made.