i was messing around and i made some planes where instead of using control surface parts for pitch they use servos attached to wings they are also attached to the keybinds for pitch
surprisingly they are very stable and only start krakening at extremely fast speeds
it uses breaking ground of course
supersonic bomber:
34k deltav with afterburner 78k without
77 parts
40.157 t
H 4.4m
W 15.2 m
L 17.8 m
https://steamcommunity.com/sharedfiles/filedetails/?id=3305781475
testbed:
68k deltav without afterburner 30k with it
26 parts
11.868 T
H 4.1 m
L 10.2 m
W 8.7 m
https://steamcommunity.com/sharedfiles/filedetails/?id=3305766315