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Normal flight (above), Deep stall condition - T-tail in "shadow" of wing (below) A Schweizer SGS 1-36 being used for deep-stall research by NASA over the Mojave Desert in 1983. A deep stall (or super-stall ) is a dangerous type of stall that affects certain aircraft designs, notably jet aircraft with a T-tail configuration and rear-mounted ...
Steady flight, unaccelerated flight, or equilibrium flight is a special case in flight dynamics where the aircraft's linear and angular velocity are constant in a body-fixed reference frame. [1] Basic aircraft maneuvers such as level flight, climbs and descents, and coordinated turns can be modeled as steady flight maneuvers. [ 2 ]
Data from Jane's All The World's Aircraft 1965–66. General characteristics Crew: 1 Length: 17 ft 0 in (5.18 m) Wingspan: 20 ft 0 in (6.10 m) Height: 6 ft 0 in (1.83 m) Wing area: 108 sq ft (10.0 m 2) Empty weight: 710 lb (322 kg) Gross weight: 1,150 lb (522 kg) Fuel capacity: 18 US gal (15 imp gal; 68 L) Powerplant: 1 × Continental C85 air-cooled flat-four engine, 85 hp (63 kW) Performance ...
Stall speed or minimum steady flight speed for which the aircraft is still controllable in a specific configuration. [7] [8] V S R: Reference stall speed. [7] V S R 0: Reference stall speed in landing configuration. [7] V S R 1: Reference stall speed in a specific configuration. [7] V SW: Speed at which the stall warning will occur. [7] V TOSS
Coffin corner (also known as the aerodynamic ceiling [1] or Q corner) is the region of flight where a fast but subsonic fixed-wing aircraft's stall speed is near the critical Mach number, at a given gross weight and G-force loading. In this region of flight, it is very difficult to keep an airplane in stable flight.
Data from Pitts model 12.com General characteristics Capacity: 2 Length: 20 ft 6 in (6.25 m) Wingspan: 23 ft (7.0 m) Empty weight: 1,550 lb (703 kg) Gross weight: 2,250 lb (1,021 kg) Fuel capacity: 54 gal Powerplant: 1 × Vedeneyev M14P/PF, 360 hp (270 kW) Propellers: 3-bladed MT Propeller Performance Cruise speed: 150 kn (170 mph, 270 km/h) Stall speed: 56 kn (64 mph, 103 km/h) Range: 430 nmi ...
2006 amateur built RV-9A. The architect of the line of Van's aircraft, Richard VanGrunsven, designed the RV-9 as a departure from the concepts of the earlier RV series.The earlier members of the RV series, starting with the single seat RV-3, were all designed to have light handling, aerobatic capabilities along with high cruise speeds and short takeoff and landing (STOL) capabilities.
Advanced Supersonic Transport (AST) model in wind tunnel. The aircraft design process is a loosely defined method used to balance many competing and demanding requirements to produce an aircraft that is strong, lightweight, economical and can carry an adequate payload while being sufficiently reliable to safely fly for the design life of the aircraft.