"Supermarine Spiteful F14" Topic
3 Posts
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Tango01 | 27 Mar 2015 12:39 p.m. PST |
"By 1942, Supermarine designers had realised that the aerodynamics of the Spitfire's wing at high Mach numbers might become a limiting factor in increasing the aircraft's high-speed performance. The main problem was the aeroelasticity of the Spitfire's wing; at high speeds the relatively light structure behind the strong leading edge torsion box would flex, changing the airflow and limiting the maximum safe diving speed to 480 mph (772 km/h) IAS. If the Spitfire were to be able to fly higher and faster, a radically new wing would be needed. Joseph Smith and the design team were aware of a paper on compressibility, published by A D Young of the R.A.E, in which he described a new type of wing section; the maximum thickness and camber would be much nearer to the mid-chord than conventional airfoils and the nose section of this airfoil would be close to an ellipse. In November 1942 Supermarine issued Specification No 470 which (in part) stated: A new wing has been designed for the Spitfire with the following objects: 1) To raise as much as possible the critical speed at which drag increases, due to compressibility, become serious. 2) To obtain a rate of roll faster than any existing fighter. 3) To reduce wing profile drag and thereby improve performance…"
See here link Amicalement Armand |
Rapier Miniatures | 27 Mar 2015 3:38 p.m. PST |
Had Jet engines not been taking over, the Spiteful and the Hawker Fury would have been the ultimate fighters. |
Tango01 | 28 Mar 2015 11:16 a.m. PST |
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