Thx for the great info, mw!
Comparison with the Typhoon:
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Turning Circle
18. Very Similar. Any difference appears to be in favour of the Typhoon. This is too slight to alter combat tactics.
Rate of Roll
19. The Tempest has the better rate of roll at all speeds
Comparison with the Mustang III
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Turning Circle
28. The Tempest is not quite as good as the Mustang III.
Rate of Roll
29. The Tempest is not so good. This attribute may be improved upon later aircraft with re-designed ailerons
Comparison with the Spit14
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Turning Circle
35. The Spitfire XVI easily out-turns the Tempest.
Rate of Roll
36. The Spitfire XIV rolls faster at speeds below 300 mph, but definitely more slowly at speeds greater than 350.00 mph.
Comparison with the Fw190(BMW801D)
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Turning Circles
41. There is very little difference in turning circles between the two aircraft. If anything a very slight advantage lies with the Tempest.
Rate of Roll
42. The Tempest V cannot compare with the FW 190.
Comparison with the Me109G
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Turning Circle
47. The Tempest is slightly better, the Me.109G being embarrassed by its slots opening near the stall.
Rate of Roll
48. At normal speeds there is nothing in it, but at speeds over 350 mph the Tempest could get away from the Me.109G by making a quick change of bank and direction.
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* On no account must the trimming wheel be used to prevent it doing so, but only backward pressure on the stick. When the aircraft has reached a lower altitude where the speed of sound is greater, the aircraft will come out of the compressibility range and behave normally, being pulled out of the dive. Had the trimming wheel been used to prevent the nose dropping when in the compressibility range, there would have been a very sudden nose-up tendency on coming out of the compressibility range. The result of a such a sudden change of trim is liable to cause structural failure.
* The ailerons have less tendency to stiffen up especially at speeds oover 350 mph, where it will out-roll any Spitfire.
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Quite interesting indeed! Which 190 and which 109G are they talking about here?? Mustang III turns better than the Tempest, and the Tempest turns better than the 109G?? In AH, no P-51 turns better than any of the 109s(the Mustang III is the P-51B, isn't it?)... Also the trim issue and the roll issue.. better try and test this myself..

I don't think Tempests out roll a Spitfire in AH.. either the Spitfire rolls much too fast, or the Tempest rolls too slow.. or maybe a little bit of both??