Aircraft having two or more jet power units placed symmetrically to the central axis

Claim 1

METHOD OF EMERGENCY OPERATION OF AN AIRPLANE HAVING A FUSELAGE, AT LEAST TWO GAS JET POWER ENGINES PLACED SYMMETRICALLY WITH RESPECT TO THE LONGITUDINAL CENTER LINE OF THE AIRPLANE, EACH ENGINE HAVING A VERTICAL THRUST PRODUCING INSIDE NOZZLE RELATIVELY CLOSE TO THE FUSELAGE AND A VERTICAL THRUST PRODUCING OUTSIDE NOZZLE RELATIVELY FAR FROM THE FUSELAGE, AND A CONDUIT CONNECTING ONE NOZZLE OF ONE ENGINE WITH THE NOZZLE OF THE SECOND ENGINE PLACED AT THE SAME DISTANCE FROM THE FUSELAGE AS THE FIRST NOZZLE, THE METHOD INCLUDING DIVERTING, UPON FAILURE OF ONE ENGINE, GAS FROM ONE NOZZLE OF THE OPERATIVE ENGINE AND SUPPLYING THE DIVERTED GAS TO THE NOZZLE OF THE FAILING OPPOSITE ENGINE WHICH NOZZLE HAS THE SAME DISTANCE FROM THE FUSELAGE AS THE NOZZLE OF THE OPERATIVE ENGINE FROM WHICH NOZZLE GAS IS DIVERTED, AND MAINTAINING THE RATIO BETWEEN THE RATES OF GAS CONTINUING TO FLOW THROUGH THE NOZZLE WHEREFROM GAS IS DIVERTED AND THE GAS DIVERTED TO THE NOZZLE OF THE FAILING ENGINE EQUAL TO THE RATIO BETWEEN THE DIFFERENCE BETWEEN AND THE SUM OF THE DISTANCES OF THE NOZZLES OF ONE OF THE ENGINES FROM THE CENTER LINE OF THE AIRPLANE.