Soaring and gliding aircraft

Claim 1

AN AUTOMOTIVE GLIDABLE MODEL AIRCRAFT OF THE FLEXIBLE WING TYPE HAVING AN AIR ENTERING NOSE AND COMPRISING, A MAIN STIFF SPAR EXTENDING REARWARD FROM THE NOSE OF THE AIRCRAFT, A WEIGHT AFFORDING SUBSTRUCTURE DEPENDING FROM AND RIGID WITH SAID MAIN SPAR INCLUDING AN AERODYNAMIC PRIME MOVER FIXED IN A POSITION RELATIVE TO SAID MAIN SPAR TO REACT ON AMBIENT AIR IN A DIRECTION TO IMPEL SAID MAIN SPAR NOSE FOREMOST, TWO LATERAL SPARS FREE FROM WEIGHT SUSTAINING CONNECTION TO SAID SUBSTRUCTURE ON RESPECTIVELY OPPOSITE SIDES OF SAID MAIN SPAR MUTUALLY CONVERGING TOWARD SAID NOSE OF THE AIRCRAFT TO FORM TAPERING SPACES BETWEEN SAID MAIN SPAR AND SAID LATERAL SPARS, A FLEXIBLE WING SHEET FREE FROM WEIGHT SUSTAINING CONNECTION TO SAID SUBSTRUCTURE SPANNING EACH OF SAID TAPERING SPACES AND CONNECTING SAID MAIN SPAR WITH EACH OF SAID LATERAL SPARS AND HAVING AN AREAL EXPANSE SUFFICIENTLY EXCEEDING THAT OF SAID TAPERING SPACES TO ARCH UPWARD OVER SAID SPACES WITH RESPECT TO ALL OF SAID SPARS WHEN THE CRAFT IS AIRBORNE, AND SPAR BRACING MEANS FREE FROM WEIGHT SUSTAINING CONNECTION TO SAID SUBSTRUCTURE EXTENDING CROSSWISE SAID MAIN SPAR AND ENGAGED WITH SAID LATERAL SPARS IN A MANNER TO HOLD THE LATTER IN ANGULARLY SPREAD RELATION TO SAID MAIN SPAR, TOGETHER WITH A STABILIZER COMPRISING AN AIRFOIL SUPPORTED ON AND ABOVE SAID MAIN SPAR NEAR SAID NOSE OF THE AIRCRAFT.