Some doubt has been expressed regarding dependability of wonderful possibilities of de la Cierva's flying windmill based on certain Spanish tests; it was found that lift coefficient had been erroneously applied to total wing single, which really is one wing; tests now undertaken at Gottingen reduce potentiality of new device considerably; this new kind of aircraft, in spite of its high power requirement, will doubtless serve many special purposes, on account of its low landing speed, easy controllability and insensitivity to gusts; it is also possible that, through change in shape of wings, further improvement can yet be attained in flight performances, but essential points have probably been covered by these researches. (Translation) (See also Zeit. fur Flugtechnik u. Motorluftschiffahrt, vol. 17, no. 22, Nov. 27, 1926 pp. 483-485, 4 figs)
Testing a windmill airplane ("Autogiro")
Untersuchung eines Windradflugzeugs
1927
9 pages
4 Figs.
Report
Englisch
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Testing a Windmill Airplane ("autogiro")
NTRS | 1927
|Testing a windmill airplane ("Autogiro")
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