EXISTING methods for the estimation of the direct operating costs of civil aircraft are complicated and their application in project or assessment work is often tedious and protracted. To enable rapid comparisons to be made a simplified formula has been derived. By linking this formula with the well-known Breguet formula for the range of a jet propelled aircraft, cruising at constant speed and lift-drag ratio, a graphical presentation of the influence of various design parameters on operating costs is possible. To enable the influence of all the basic design factors to be shown in chart form, it is convenient to divide the total direct costs into those related to fuel costs and those others such as maintenance, depreciation, crew costs, etc.


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    Title :

    The Estimation of Civil Aircraft Operating Costs


    Subtitle :

    The Influence of Range, Speed and Lift-Drag Ratio on the Operating Costs of a Civil Aircraft


    Contributors:


    Publication date :

    1957-02-01


    Size :

    2 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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