Several older planes have wrong rollrates others are okay.
Time to roll 360 degrees:
190a5 = 2secs - very good
spit5 and 9 = 3.25 seems normal
f6f = 4.8 seems slow has a hvy feel
Hurri 2c = 7 = stuck in molasses
B17 = 8 normal for large bomber
fm2 = 9 slower than b17 me thinks something is a miss.