I would generally have to agree with this thread. Spitfire & Pony, pretty good. Me-109 and La5fn, need some work.
The Spitfire is just about what I would expect, except it is either slightly fast (no stopwatch tests yet) or the La5fn is too slow. Only difficulty is it seems to be very difficult to take off in, and once a real ground handling model is implemented, takeoffs may be a real squeak.
The Pony is a pleasent surprise. Its very docile and easy to takeoff in. Climb, speed, and roll are all about what I would expect. It certainly isn't a stellar TnB plane, but it is much easier to turn in than Pyro's WB's P-51 FM, since its not prone to those vicious accelerated stalls. Pretty much my favorite so far.
The Me-109G has me totally stumped. Turnrate is very poor, no suprise there. Climbrate seems fine, but it seems like its horizontal speed is too slow (again just a "feel" no solid data yet). And then you have the well documented compression problems. So you can't fight in the vertical, you can't outrun anything, and you can't outturn anything. About the only thing it has going for it is its BFG, in the G10/R6 mode where you have the 30mm nose gun, and x2 20mm in the gondola pods. But the times you get to use them are few and far between.
The La5fn I understand was the last plane Pyro did before the beta, so I am hoping it gets a tuneup soon, well... that is after he adds my N1K2 he hinted at on this BBS.
But the La5fn "feel" seems to be off significantly as well. In several situations I have had coalt/co-E Spits just flat out run away from me (they shouldn't if I remember right) and its turnrate is comparable to the Pony, and it should outturn both the 109G and the Pony. Admittedly, I need to fly the La5 more since my impression are from the first few hours I flew online in AH, and I may be off in my impressions.
Oh well, thats about it, I couldn't resist a good Flight Model thread. So Pyro, is the N1K2 next in line, Japan needs a representative in the planeset. ?

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Vermillion
WB's: (verm--), *MOL*, Men of Leisure, Goldlandia
AW's: (verm) ACCS, Aerial Crowd Control Services, Cland