The use of slots for increasing the lift of airplane wings (1931)
NASA Technical Reports Server (NTRS) · leaf 20
ETJUCjA. Technical Memorandum Ho,635 … fig. 12 Lifts obtained hy Seewald with very high internal pressures. 20$ 10$ 5° xo° 150 20c .10 .05 i Fig,l4 Relative lift Fig. 13 Lift of wing with suction slots, increment in for 3 values of the internal terms of expended power. negative pressure* (Angle of attack 15°)
NASA Technical Reports Server (NTRS)
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