Measuring airplane propellers to find effect of storage and service on warping and change of blade angles; construction and operation of special portable protractor built for measuring under all conditions and without auxiliary equipment; initial adjustment of instrument for each propeller to be measured, or adjustment if propeller moves; how to measure propeller; Appendix -- How to Use Protractor to Set Detachable Blade-type Propellers on an Airplane, H. C. Havill.
Special propeller protractor
Nat. Advisory Committee Aeronautics -- Tech. Note
1928
6 pages
5 Figs.
Article (Journal)
English
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SLUB | 1928
|NTRS | 1928
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