Tests of Nacelle-Propeller Combinations in Various Positions with Reference to Wings IV : Thick Wing - Various Radial-Engine Cowlings - Tandem Propellers (1935)
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give different pitch settings. The propeller-research tunnel in which these tests Each propeller was driven by a 10-inch-diameter, were made is described in reference 4. With the excep- 220-volt alternating-current induction motor capable of tions cited below, the standard apparatus and test… … Section D-D Section A-A Section B-B Section C-C Figure 1.—Large nacelle and engine assembly, propeller spacing 1 diameter. the motors down the struts into the wing and along the ness of 20 percent of the chord. It is described in supporting members to control equipment below. detail in reference 1.…
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