IT is shown that the down gust requirement is open to the objection that heavier loads may be taken by the front spar at lightly loaded weight than those for which the spar was designed. This is normally covered by the factor of safety of 2, but the method of calculating the loads on a basis of all up weight is not very rational. Some available data concerning the magnitudes of down gusts are reviewed and the sharp-edged gust hypothesis briefly examined. The British requirement is compared with those of the I.C.A.N. and the U.S.A. The conclusions are that there are no very practical alternatives to sharp edged theory and while the estimate of the magnitudes of normal down gusts at 25 f.p.s. appears satisfactory and British standards of strength in this respect need not be tightened up, a modification to the requirement to meet the above objection is desirable. A suggested alternative is put forward.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Down Gusts


    Subtitle :

    An Examination of the Down Gust Structural Strength Requirement at Lightly Loaded Weight


    Contributors:
    Crowe, J.H. (author)

    Published in:

    Publication date :

    1937-05-01


    Size :

    4 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Down gusts

    Crowe, J.H. | Engineering Index Backfile | 1937


    The Velocity of Down Gusts

    Emerald Group Publishing | 1937


    Cu-Nim gusts

    Brice, D.A. | Engineering Index Backfile | 1950


    Gusts and transients

    Watkins,S. / Royal Melbourne Inst.of Technology,AU | Automotive engineering | 1999


    Gusts and Transients

    Watkins, S. / SAE; Wind Noise Measurement Committee | British Library Conference Proceedings | 1999