HYDROGEN- JP-4 DUAL FUEL CONCEPT FOR THE C-5A AIRCRAFT.
AIR FORCE AERO PROPULSION LAB WRIGHT-PATTERSON AFB OH
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This volume limitation aspects of hydrogen have precluded its use in subsonic aircraft. The possible inclusion of the C-5A aircraft in the Air Force inventory has aroused new interest in the application of hydrogen to a normally hydrocarbon-fueled aircraft. This report presents an over-all evaluation of the safety, ground handling, tankage, and use aspects of the dual use of hydrogen and JP-4 fuel. The report shows that the possibility of the dual-fuel concept for this aircraft definitely exists the potential payoff may be doubtful, but the feasibility exists. An increase in range is possible, but some problems exist with the use of hydrogen. Redesign and care in handling would resolve most problems. Author