I am looking for the following information.
What was the top speed of the Spitfire I, at +6 1/2 and +12 at SL, and what power it corresponded to.
What was the top speed of the Spitfire I, at +6 1/2 at rated altitude, and what power it corresponded to.
What was the top speed of the 109E, at 1.3/1.35ata at SL and at rated altitude, and what power it corresponded to.
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