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Aviation History
1917
1917 - 0946.PDF
SEPTEMBER x. v \ FROM OTHER LANDS. DISTURBING BODIES ON WING SURFACES. ' , •^ By ALEXANDER KLEMIN. ON many recent examples of airplane construction we ments to determine these points were carried out' at thefind disturbing bodies such as radiators and fuel tanks below Massachusetts Institute of Technology. and above the wings. It becomes important to determine An R.A.F. 6 wing section was employed of chord 3 ins. andwhere such obstructions shall be placed from an aerodynamical span 18 ins., with an obstruction of dimensions 2 ins. x | in. point of view, so that they will least affect the lift of a wing x f in., the tests being conducted at a wind speed of 30 m.p.h.and impose least head resistance on a machine. Experi- If we imagine the wing to be ^\ full size, the dimensions of t " 1 — 2* A' 6' /\NQLB OF Curves showing effect of obstructions on_wing~surfaces. 946
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