Hi JO.....in the interest on sanity without PSN.... here is the answer...
Benchmark replica of your test.. 8 Mk9 Spit V IL10. Dover Map.
Realistic
5 Mk9 Spit shot down
2 Mk9 Spit collided with each other.
1 Mk9 Spit collided with IL10
2 IL10 lost (one to collision) one to action.
One Vodka and lime sunken with a bottle of Bud !
flight from Dover to Manston and back 14mins 55sec.
Immelman turns to 15000ft ?
Spitfire Mk9, from 500 -15325 took 9 Immelman climbing turns, reversing the climb after level when reaching 220mph after leveling out and speed in dive was 491mph into Dover Harbour !
Next test will be JU87 and an LA7 Ta Ta for now !