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The Strength of Transverse Frames of Rigid Airships

Published online by Cambridge University Press:  28 July 2016

Hilda M. Lyon
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Extract

Recent developments in the design of rigid airships, as commercial air liners in England and Germany, and for military purposes in America, show a demand for greater lifting capacity, cruising range and speed. The increase in size is mainly responsible for radical changes in the structural arrangement of the transverse frames, introduced by the designers of the British airships, R.100 and R.101.

Type
Research Article
Information
The Aeronautical Journal , Volume 34 , Issue 234 , June 1930 , pp. 497 - 556
Copyright
Copyright © Royal Aeronautical Society 1930

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References

Note on page 497 * “Strength of Rigid Airships,” by C. P. Burgess, J. C. Hunsaker, and S. Truscott, Aeronautical Journal, June, 1924.

Note on page 497† “Some Modern Developments in Rigid Airship Construction,” by Lieut.-Col. V. C. Richmond, O.B.E., B.Sc, A.R.C.S., A.F.R.Ae.S., Trans. Inst. Naval Architects, Vol. LXX., 1928.

Note on page 497 “R.101,” by Lieut.-Col. V. C. Richmond, read before the Royal Aeronautical Society, April 18th, 1929, and published in the Journal, August, 1929.

Note on page 499 * The External Forces on an Airship Structure, by H. Roxbee Cox, Ph.D., D.I.C., B.Sc., Aeronautical Journal, September, 1929.

Note on page 499 † R. & M. 800, “Report of the Airship Stressing Panel,” Appendices III. & IV.

Note on page 499 ‡ Aeronautical journal, November, 1926, “On the Calculation of Stresses in the Hulls of Rigid Airships,” by R. V. Southwell, F.R.S.

Note on page 499 § This statement is not strictly true. For instance, in the stiff-jointed polygonal ring, the bending moment is reduced owing to the redistribution of load from the shear wires, but the shear across the transverse girder may be increased locally.

Note on page 499 ‖ Trans. Inst. Naval Architects, loc. cit.

Note on page 499 ¶ “The Rigid Airship,” by E. H. Levvitt, B.Sc, M.I.Ae.E., A.M.I.Mech.E.

Note on page 502 * “Elastic Stresses in Structures,” by Castigliano, translated by Ewart S. Andrews, B.Sc. “Strain Energy Methods of Stress Analysis,” by A. J. Sutton Pippard, D.Sc.

Note on page 504 * Throughout this paper, dW/dH, etc., signify the partial differential coefficients, ∂W/∂W, etc.

Note on page 507 * R. & M. 820 and 921, “Stresses in a Stiff-jointed Polygonal Frame under a System of Parallel Loads,” by A. J. Sutton Pippard, M.B.E., D.Sc.

Note on page 531 * R. & M. No. 1039, “Stresses in a stiff-jointed polygonal frame under a system of loads perpendicular to the plane of the frame,” by J. F. Baker, B.A.

Note on page 548 * R. & M 913, “The Distortion of a Stiff-Jointed Plane Polygonal Frame under Loads Applied in its Plane,” by Professor A. J. Sutton. Pippard,. M.K.E., D..Sc, and P. Field Foster B.Sc, A.M.I.Mech.E.