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A new method of ascertaining the power required for Propelling Balloons and other bodies through the air

Published online by Cambridge University Press:  08 May 2017

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Type
The Twenty–Second Report of the Aëronautical Society of Great Britain
Information
The Annual Reports of the Aeronautical Society of Great Britain (1867 - 1893) , Volume 22: Twenty-Second Annual Report , 1890 , pp. 20 - 91
Copyright
Copyright © Royal Aeronautical Society 1890

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References

page 43 note * The statement that the supporting force is four times the resistance, is only approximately correct for the angle given ; a still more general value for any angle can be attained by the solution of Duchemin’s formula for supporting force, with the proper values and angle (in this case) introduced. This Duchemin gives :—

page 48 note * “Der Vogelflug,” p. 112, &c.

page 54 note * Stanley’s “Birds,” p. 63.

page 59 note * Of course the varying velocity of the wing’s motion in different parts of its stroke must also be considered when a complete solution isattempted.

page 68 note * “Animal Mechanism,” p. 228.

page 70 note * “Miscellaneous Scientific Papers,” p. 545.