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Suction Fuel Systems for Turbine Powered Aircraft

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Traditionally, engine manufacturers have required positive fuel pressures to eliminate the presence of free fuel vapor and air bubbles which tend to decrease volumetric efficiency and create caviation conditions. Using an actual aircraft application as an example, this paper describes the design, development and certification of a self‐contained, engine‐driven suction fuel supply system that will operate continuously with a two‐phase fuel flow while utilizing current state‐of‐the‐art technology. This concept removes unreliable tank‐mounted, electrical fuel boost pumps and eliminates airframe pressurized fuel handling equipment that wlil improve system reliability, reduce weight and cost penalties, simplify maintenance tasks, and reduce aircraft vulnerability to fire hazards.

Document Type: Research Article


Affiliations: Engine Accessories Department, Avco Lycoming Division, Stratford, Conn.

Publication date: 1982-07-01

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  • The Journal of the American Helicopter Society is the world's only scientific journal dedicated to vertical flight technology. It is a peer-reviewed technical journal published quarterly by AHS International and presents innovative papers covering the state-of-the-art in all disciplines of rotorcraft design, research and development. (Please note that AHS members receive significant discounts on articles and subscriptions.)

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