Airplanes provided with retractable auxiliary engines of the pulse jet type

Claim 1

IN AN AIRPLANE INCLUDING AN ELONGATED LONGITUDINALLY EXTENDING FUSELAGE, LATERALLY EXTENDING WING STRUCTURE CARRIED BY SAID FUSELAGE, A MAIN ENGINE CARRIED BY SAID FUSELAGE, AND A PROPELLER DRIVEN BY SAID MAIN ENGINE; THE COMBINATION COMPRISING AN AUXILIARY ENGINE OF THE PULSE JET TYPE, AND MEANS FOR MOUNTING SAID AUXILIARY ENGINE UPON SAID FUSELAGE FOR MOVEMENTS WITH RESPECT THERETO BETWEEN A STORAGE POSITION AND AN ACTIVE POSITION, SAID AUXILIARY ENGINE IN ITS STORAGE POSITION BEING DISPOSED IN A POCKET PROVIDED IN SAID FUSELAGE AND OUT OF THE AIR STREAM OF SAID AIRPLANE IN FLIGHT, SAID AUXILIARY ENGINE IN ITS ACTIVE POSITION BEING DISPOSED OUT OF SAID POCKET AND IN THE AIR STREAM OF SAID AIRPLANE IN FLIGHT, SAID AUXILIARY ENGINE IN ITS ACTIVE POSITION BEING LOCATED OUTWARDLY OF SAID FUSELAGE AND SAID WING STRUCTURE AND POSITIONED SUBSTANTIALLY IN A VERTICAL PLANE PASSING THROUGH THE LONGITUDINAL CENTER LINE OF SAID FUSELAGE, THE OPERATION OF SAID AUXILIARY ENGINE IN ITS ACTIVE POSITION BEING EFFECTIVE TO MAINTAIN THE FLIGHT OF SAID AIRPLANE.