Quote:
Originally Posted by Crumpp
All generality that is not dealing with the Spitfire. The NACA results are published, measured, and available for all to see.
I think the thread has run its course.
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I think you forgot this part
I published reports on the
Hawker Hurricane (April 1942) (ref. 4.5)
followed shortly by one on the Spitfire. The data obtained in these tests served to confirm most of the requirements previously proposed by Gilruth. Other reports followed comparing these results with published data on the German fighter Me109 and with U.S. fighter airplanes. During the war, pilots' lives depended on small differences in performance between the first-line fighters, and continual detailed improvements were made in these fighters. Several research studies were made on improvements, usually on control systems, and close contact was kept with the manufacturers through conferences and preliminary reports.
I think you also forgot this part posted earlier
FIGURE 4.5. Supermarine Spitfire airplane. A high-performance fighter noted for its role in the Battle of Britain and throughout WW II,
the Spitfire had desirably light elevator control forces in maneuvers
and near neutral longitudinal stability. Its greatest deficiency from the combat standpoint was heavy aileron forces and sluggish roll response at high speeds.