Turning the 38 has it hands down.
Not the last time I looked.
Turn Performance Comparisons, version 2.06
Plane Type (SL setting used)
- time to complete tightest possible circle at normal flight (turning speed), radius
- time to complete tightest possible circle, one notch of flaps (turning speed), radius
- time to complete tightest possible circle, full flaps (turning speed), radius
F4U-1 (1.0)
- 20 seconds (154mph), 219.2m
- 21 seconds (138mph), 206.2m
- 20 seconds (106mph), 150.9m
F4U-1D (1.0)
- 19 seconds (160mph), 216.4m
- 19 seconds (149mph), 201.5m
- 19 seconds (110mph), 148.7m
F4U-1C (1.0)
- 21 seconds (162mph), 242.1m
- 20 seconds (150mph), 213.5m
- 20 seconds (110mph), 156.6m
F4U-4 (1.0)
- 19 seconds (168mph), 227.2m
- 18 seconds (162mph), 207.5m
- 18 seconds (113mph), 144.7m
P-38G (0.05)
- 19 seconds (174mph), 235.3m
- 20 seconds (157mph), 223.5m
- 18 seconds (116mph), 148.6m
P-38J (0.05)
- 21 seconds (180mph), 269.0m
- 19 seconds (170mph), 229.9m
- 19 seconds (116mph), 156.8m
P-38L (0.05)
- 21 seconds (184mph), 275.0m
- 19 seconds (169mph), 228.5m
- 19 seconds (119mph), 160.9m
..