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i have never been the best gunner or plane handler in any game, however i have found that other aspects draw me to types of play that emphasize other skills more than the dueling skills.
Never been the best gunner myself. But dueling helps with your gunnery because you'll be taking lots of wierd angle shots on the scissors, trying to pull lead while near the ragged edge, etc. Though not as much as dedicated TA session where one person takes up a maneuverable aircraft and acts as a "target tug" for you.
Now, I ~mostly fly boom and zoom style planes myself. D9, A-5, P-47, P-51. Well, I've flown the I-16 alot this tour for no good reason at all, but that's unusual... Good to keep these planes fast and hit and run in a furball, BUT, like I say, actually using one of these planes to beat a more maneuverable ride 1v1 with E tactics is generally going to involve handling them at uncomfortably slow speeds to take your shot on the (hopefully) near-stalling t'n'b plane you've bled of E.