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Originally Posted by SturmKreator
1.- LOL
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Grow up. If you have some relevant information to post, let's see it. I was replying to a post suggesting the Spit took forever to pick up speed, and I can't see evidence of that. So you think the wwiiperformance site it biased towards allied planes - what evidence do you have of that? The data they quote in from serious militarty testing, not from propaganda. But anyway, you have some other site with good research, I'd be interested to see that too.
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spitfire ix only had advantage over 7600 meters, where the bmw engine lose performance, below that altitude, the fw190 had the same climb performance, could accelerated much more than the spitfire ix and was a bit more fast.
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Well Swiss has just posted another link which says "the German fighter was 7-8mph (11-13km/h) faster than its British counterpart at 2,000 ft (610 m) but that the speeds of the two fighters were virtually the same at 5,000 ft (1525 m). Above this altitude, the Spitfire began to display a marginal superiority, being about 8mph (13km/h) faster at 8,000 ft (2440 m) and 5 mph (8km/h) faster at 15,000 ft (4570 m)"
So that's not 7600 metres, that's 1525 metres. You're getting 7600 metres because you're looking at the H.F. model, which was specifically designed for high altitude flight. So a Spitfire designed specifically for high altitude flight (ceiling height of about 45 thousand feet) has a minor disadvantage to an FW 190 below 5500 metres. Ok, maybe you didn't realise what H.F. meant, no big deal.
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Fw190 d-9 inmediatly was a succes becouse, at military power could reach 686 km/h and for ten minutes could reach the maximun top speed with mw50 increasing the 1776hp to 2240 hp, the top speed was 730km/h, acceleration and impressive flight characteristics were.
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I think the D9 was an excellent fighter. If you have some good data on it's performance vs a late war Spit that would make interesting reading. Particularly if there were enough D9s in the air to make a difference to the war, becuase if not, there's very little reason for the allies to need to compete with it.