Further Flight Tests on the Effectiveness of Handley Page Automatic Control Slots (1932)
NASA Technical Reports Server (NTRS) · leaf 16
!2J O V Open Fig. 4t' Sketch of wing tanks, (a) open and (l>) closed. The tank is closed from the observers seat hy mechanical-ca."ble device and ratchet. Upon release ^. of ratchet, pressure springs tensed on the inside, effect sudden opening ^ of tank. The openings are large enough to assure…
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.