Thanks for the numbers.
It's turn was within 20 seconds and stall speed was 93 mph. It had tendencies to tailspin thus the restrictions imposed. It could dive to 517-528 mph. The tony could dive like that too, but it couldn't climb with the Tojo.
Perhaps at least a dozen Ki 44s had 37mm Ho-203...
I appreciate the authentic performance data like the P-38 and Yak links you have. I look forward to more. I savor the performance info on rare birds like the Sagittario which was a refined design for it's time. I mean 421 mph at what.. 6 or 7,000' with the same engine as the contemporary Bf 109...