A PHOTOGRAPH of the fully developed crack pattern adjacent to the end bolts in a Perspex model of the rear spar root joint of the same blade is given in FIG. 35. Fatigue tests are to be undertaken on the metal prototypes of the front and rear spar joints in which modifications arrived at by the model tests will be incorporated.
Some Developments and Applications of Brittle Lacquers
A Survey of Published Work and Some Original Contributions
Aircraft Engineering and Aerospace Technology ; 30 , 6 ; 173-179
1958-06-01
7 pages
Article (Journal)
Electronic Resource
English
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