Nice Ivank ta mate
DVII Climb angle performance (all be it over a limited altitude block)
Zoom climb do you mean?
Ming
Well, zoom climb isn't really clearly defined as it depends on circumstance. A zoom climb could be a climb at a steep but still not over the top angle, maintaining optimum climb rate to regain as much of the lost altitude after the dive. Usually this is not a straight up 90 degree climb affair, it's about finding the sweet spot between angle-of-attack induced drag that bleeds your speed and nosing up enough to climb before your speed bleeds back to normal in level flight. Too much nose up and you'll stall before reaching your initial altitude, not enough nose up attitude and your speed will drop back to normal figures before you can take advantage of it. This is a case of optimum climb rate.
A zoom climb could also be a very very steep climb, one that doesn't give you an optimum climb profile but it's preferable at that time. Why would you choose that one? Because the guy in your six has an energy state that prevents him from pulling up to that angle without stalling fast. This second case is one of exploiting superior climb angle.
If you have any IL2 experience, think of the DVII as an equivalent to the ME109. The 109 might be outclimbed by other fighters in a certain altitude band, but it can keep a 20 degree nose high attitude even at near-stall speeds when the other guy can't.
Climb angle advantage simply means that you can pull more degrees of nose up for a given speed. You don't make the most of it in terms of altitude gains per unit of energy bled, but the simple fact that the other guy can't follow the maneuver without having an initial speed advantage is enough to get you in the clear for the time being.
The way to use this is make him commit to energy bleeding maneuvers and get him slow first. If you see him in time break, if he follows reverse your direction and break again. If he takes the bait again you're effectively in a scissors fight and are both going relatively slow. That's when you level off and pull up, waaaay up.
What happens in such a case is that you can see the guy in the Spad trying to follow you, then as he stalls you bring it around and dive after him.
The other possibility is that instead of following you he uses an energy-efficient climb (example one) and puts some space between you (he turns away and looks at you climbing to the side) to assure a comfortable reaction time in case you decide to bounce him while he's still lower.
The thing is, if you allow him to do this you'll probably be in trouble. At some point your DVII will have to level off and you didn't use an energy efficient climb. He on the other hand did and his Spad is better in that regard. So, all he needs to do is avoid getting bounced while he's climbing off to the side, then turn at you with a few hundred meters of altitude advantage.
He might not even take the bait to commit to scissors in the first place, opting to extend and climb for a second boom and zoom pass, i know i would.
In short, the climb angle advantage is not something i would prefer over a solid climb rate and speed advantage. It's a neat trick but a highly situational one, it depends on your opponent choosing to fight you on your comfortable speed range, plus to make the most of it you need to be vigilant enough to attack again before the opponent can catch up to your altitude. Even then the Spad might be able to nose down and outrun you, gaining enough separation to disengage altogether.
The only thing that will prevent the Spad from being top dog in the online matches is that planes of WWI had inadequate firepower and aiming stability for single-pass kills, or even the ability to cripple the enemy in a single pass and finish him off at leisure. Unless they include the experimental Spad with the 20mm cannon that is
