Dec 1939: Rolling resistance determinations for 23 wheels, 6 steel and 17 pneumatic, at 3 loads on 4 road and field conditions; coefficients of rolling resistance calculated on basis of load nearest recommended capacity. Jan 1940: Effect of inflation pressure on rolling resistance; resistance of tires at five inflation pressures and three loads. Feb: Effect of outside and cross-section diameters on rolling resistance of pneumatic tires. Mar: Effect of wheel arrangement on rolling resistance; data on resistance of single, dual, and tandem arrangements of 6.00-16-in. tires when operated at loads of 500 and 1000 lb per tire on bluegrass. tilled loam, and loose sand. Apr: Effect of steel wheel rim shape and pneumatic tire tread design on rolling resistance; comparative tests of three 4 × 36-in. steel wheels with flat, convex, and concave rims; comparative tests of 6.00-16-in. pneumatic tire and 6.00-16-in. skid ring tractor tire; comparative tests of two 4.00-30-in. pneumatic implement tires, one with tread removed. May: Relative effects of steel wheels and pneumatic tires on agricultural soils; movement of soil particles; damage to field roads; adhesion of soil to wheels. June: Soil penetration tests as means of predicting rolling resistance; relation between penetrations obtained with two penetrometers and rolling resistances for two steel wheels and two pneumatic implement tires investigated for 17 road and field conditions; correlation between penetration and coefficient of rolling resistance. July: Measurement of loaded radii and distances of forward travel per revolution for all of steel wheels and pneumatic tires used in studies reported in earlier articles of this series; effective radii and slippages; slippage was approximately proportional to square of coefficient of rolling resistance. Aug: Value and cost of pneumatic tires; influence of specific conditions of road surface or wheel arrangement on rolling resistance; apparatus for measuring force of impact due to transport wheel striking obstruction on road surface; protection from shock; impact reactions of steel wheel and pneumatic tired wheel over obstructions; annual cost of tires. Before Am Soc Agric Engrs. (See also Agric Eng v 20 n 12 Dec 1939 p 469-73 and v 21 n 1 Jan 1940 p 25-6, n 2 Feb p 57-8, n 3 Mar p 95-6, n 4 Apr p 139-40, n 5 May p 183-5, n 6 June p 231-4, n 7 July p 275-6 and 280, n 8 Aug p 319-21; India-Rubber J v 100 n 18 Nov 12 1940 p 337-9)


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    Titel :

    Transport wheels for agricultural machines


    Weitere Titelangaben:

    India Rubber World


    Beteiligte:
    McKibben, E.G. (Autor:in) / Davidson, J.B. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1940


    Format / Umfang :

    3 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Transport wheels for agricultural machines

    McKibben, E.G. / Davidson, J.B. | Engineering Index Backfile | 1940


    Transport wheels for agricultural machines

    McKibben, E.G. / Davidson, J.B. | Engineering Index Backfile | 1940


    Transport wheels for agricultural machines

    McKibben, E.G. / Thompson, H.J. | Engineering Index Backfile | 1939


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