Цитата из Aerodetail 26 Shiden-Kai
...The mechanism was based on the g-force acting jn the aircraft and automatically deployed or retracted them to appropriate degrees.
...A sealed tube with a mercury switch was linked to the aircraft's pitot tube and triggered a control pump which raised or lowered the flaps.
Мои чертежи ТБ-7 можно купить тут:
http://heavybomber.narod.ru
То есть хочешь сказать что УНВП?