It can be done in a D7 F2B or an F1, the Camel is hands down the hardest plane in Aces High to fly well, but its like anything in Aces High if you are
prepared to put up with being killed a lot and experiment ways to kill any plane in any other plane will appear gradually.
Transitions between maneuvers in combat equates to angles, nowhere is this more apparent than the WW1 planeset, most don't notice it as much in the WW2 planeset because the higher speeds of the aircraft makes for more distance between 2 aircraft and therefore more opportunity to turn back into your opponent or for someone to simply run away.
A simple comparison would be say the DR1 vs the D7 in a vertical maneuver nose up nose down, try going from nose up to nose down in a vertical climb in both, you will see the DR1, because of the gyro takes a lot longer and the inline of the D7 swings down instantly down like pendulum. The DR1s gyro pulls it to the left at slow speed so take advantage of the inline engine of the D7 and do climbing right hand turns ending with a straight up vertical maneuver then use that extra transition speed to swing your nose over and get guns on the DR1.
Experiment, is pushing my nose down the fastest way to perform this maneuver? What if in the vert I left my plane hanging slightly to the left and used rudder as well as pushing the nose down, is it any faster? Does throttling the engine help get my nose down faster? You will die lots trying but you will find a pattern of success.
The less experienced pilots in WW1 tend to leave 'gaps' between their transitions it takes them longer to link maneuvers and they pay for it in angles with their deaths almost instantly.