109's 20mm cannons

[Pist-N-Broke]

Originally Posted by GOA_Potenz

I been playing with convergence settings for the 20mm cannons, but i can't see any effect on it, basicly can't hit anything with those guns, and i'm have decents good aiming skills. always seems to be so high, anything worng with it
or convergence settings doesn't work at all???

The real 109 drivers had a similar problem, especially when deflection shooting. The cowl 7.92mm machine guns had a much higher projectile velocity than the 20mm cannon, which was seriously slower, so if you were shooting at a target with MG, and were hitting the target, you couldn't fire the cannon and get the cannon shells to take the same tragectory as the higher velocity MG bullets. To compensate, there was of course a compromise. I believe the stock harmonisation for 109 E's was MG was set to 400M, and 20mm cannon harmonised to 200m. I believe at that point both MG and Cannon had the same impact point. But again, if you were deflection shooting, the different projectile velocity still played havoc with aiming. Probably why you see so little gun camera footage of German deflection shooting, compared to allied gun camera footage?