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The air propeller, its strength and correct shape (1923)
NASA Technical Reports Server (NTRS) · leaf 11
00,25 0-5 0.75 TToo~~ lj2b lib T 75 3.00 3.25 2.45m 0 • (8.04ft.) Fig:.. 4 Curves for the 500 HP. propeller at 730 R.P.M.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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