It is generally known that 3~10 rounds of 30mms knock out buffs. 10~20 rounds or so with 20mms, and numerous more with plain 7.7~13mm machine guns.
The one pass kills are mostly about pilots skill, where the guy drops down from above with very high speed, landing most of his shots on a concentrated area.
If the historical buff durability limit of 3~10 rounds 30mms, 10~20 rounds for 20mms are accurately portrayed in AH, a 190A8 armed with 30mms and 20mms needs just two seconds of long burst shot on the target to kill a buff.
The attacker comes from above high speed, evades, and targets the wings for two seconds and down she goes.
It's not buffs are weak. It's just that lone buffs are THAT MUCH hopeless against fighters. Remember the arrogance of the USAAF Bomber Groups resulted in spectacular losses of buffs, and eventually the unescorted "flying fortress" idea was abandoned.
...
Survivng in a buff is only possible with team work. You don't need a lot of help(unless you are entering a super furball area.. yuck). Just one or two guys who just swat off the flies landing on the cow's back dramatically increases survival.

Either that, or fly above 25k. Only Ta-152s, SpitXIs, 109G10s and P-47s, P-51s are potential threat up there. G10s are fragile, and armed too weak if they don't have 30mms. Ta-15s need about two pings to kill a buff, but you don't see them often. P-47s take forever to get up to 25k

but if you see one, they are dangerous. SpitXIs are fragile too. The P-51s are usually the most dangerous. U see a lot of them near 28k.
[ 11-29-2001: Message edited by: Kweassa ]