I used to fly the Hurri 1 all the time. Convergence at 250, never shoot further than 300 and concentrate the fire in one place. Get used to roll/pull instead of pushing down when you need to dive. These planes aren't real fast, but they are very maneuverable. Be very careful when approaching a stall, and do not stall/spin while inverted in the Spit because you will not get out of it.