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FM/DM threads Everything about FM/DM in CoD

 
 
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Old 05-10-2012, 04:43 AM
WTE_Galway WTE_Galway is offline
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Quote from page 46 of a book by Morgan & Shacklady taken from this discussion:

http://forum.keypublishing.com/showthread.php?t=75816


The Air Ministry was not completely satisfied with the spin recovery of the Spitfire, and at a meeting on 17 January 1938, chaired by Air Cdr. Verney, Supermarine persuaded those in attendance that no modifications be made to production aircraft apart from the addition of an anti-spin parachute. For the Air Ministry Verney said that based upon model tests at Farnborough production aircraft could not be passed for spinning even with a tail parachute. Supermarine then pointed out that Jeffrey Quill had made sixteen successful spins of eight turns in the prototype. After more discussion the DTD agreed to accept the Supermarine proposal and that the first 20 production models should be fitted with the tail parachute and undergo further spinning trials. He, DTD, would be satisfied with recovery at 15,000 ft. When the first production Mk 1 Spitfire, K9787, was completed at the beginning of May 1938 an anti-spin parachute was duly fitted and the aircraft made its first flight from Eastleigh, piloted by Quill, on 14th of the same month .
 


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