In recognition of reduced takeoff and braking performance of aircraft on slush-covered runways of limited length, operational tests were conducted on a commercial jet transport aircraft under a controlled slush environment. The magnitude of slush drag forces was considerably greater than that predicted by earlier tests and theoretical approaches. Aquaplaning of the aircraft at high velocities caused a significant reduction in slush drag. Slush spray impingement against the aircraft and landing wheels was a significant factor in producing additional slush drag to that caused by the tires. Considering wheel size, a proportionately larger slush drag force was produced by the nosewheels than that produced by the main wheels. Considerable slippage in slush was experienced by the nosewheels and forward main wheels with little slippage on the aft main wheels. Considerable slush accumulated in recessed areas of the aircraft and presented a possible operational hazard. (Author)


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    Title :

    Runway Slush Effects on the Takeoff of a Jet Transport


    Contributors:
    D. E. Sommers (author) / J. F. Marcy (author) / E. P. Klueg (author) / D. W. Conley (author)

    Publication date :

    1962


    Size :

    2 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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