• DEC. 15, 1947 P. 38 (3 Pages) Early experimental Carlat leading-edge-jet rotor with lobes for elimination of tip vortex. Rotor is ducted to blower.
• DEC. 15, 1947 P. 38 (3 Pages) Design projection of rotorcraft with leading edge jets. Wide-chord rotor carries jetted-lobe and flaps, with air feed from blower.
• DEC. 15, 1947 P. 38 (3 Pages)
• DEC. 15, 1947 P. 38 (3 Pages) Model airfoil section in smoke tunnel. This is three-jet version, with main jet located on chord line at extreme leading edge.
• October 15, 1962 P. 47 Sawtooth leading edge is featured on the wing of the RussianIlyushin-62 jet transport (AW Oct. 8, p. 43). Plane seats 182passengers, is powered by four 23,000-lb. thrust turbofan engines designed by N. D. Kuznetsov. Backgrounds of both photos havebeen retouched to eliminate area around the airport.
• September 21, 1970 P. 88, 89 Wing, shown below in jig, has been modified from the original Jet Commander design, to include double-slotted Fowler flaps and a drooped leading edge for better short field performance.
• DEC. 20, 1954 P. 38 McGraw-Hill World NewsSWIFT F.3 FIGHTER is backed up to engine silencer and secured by steel wires. Note Swift’s compound leading edge sweep, vortex generators atop right stabilizer only.
• January 19, 1959 P. 106 COBRA engine intakes are installed at leading edge wing roots, with exhaust pipe under the tail section. Fuselage has been reinforced with hard wood strip.
• August 9,1965 P. 39 EXPLOSION SUPPRESSION system is shown installed in jet aircraft wing. Tip of wing is to left, with leading edge at the top of the schematic. Trans World Airlines will equip its jet aircraft fleet with the system.
• April 16, 1984 P. 165 Israel Aircraft Industries Astra corporate jet aircraft, shown at top during its first flight on Mar. 19, has accumulated more than 12 flight hours and has been flown to 35,000 ft. and Mach 0.68. On its first flight the aircraft's landing gear and flaps were cycled (photo directly above), and the leading edge slats were extended (AW&ST Apr. 2,
• May 31, 1971 P. 30, 31 11-76 wing has a smooth leading edge and hydraulically operated rear control surfaces. Engines are Soloviev D-30KP turbofans, each with thrust of 25,300 lb. and bypass ratio of 2:1.
• March 28, 1960 P. 87 Wing leading edge of the S-57 (AW Jan. 18, p. 62) is slightly bowed in the swept-back direction. This offers advantages at high speed and circumvents drag problems that are prone to occur in transonic vehicles at about Mach 1.1. The S-57 model showed uniform stability through the transonic range, Sikorsky says. USAF and Navy have studied the S-57 design concept.
• FEBRUARY 24, 1958 P. 43 Model Shows VC-10 Slats New photo of model of Vickers VC-10 long range jet transport shows mounting of four Rolls-Royce Conway engines at tail, with suppressors. Also visible is outline of full span leading edge slats, and flaps and spoilers on trailing edge.
• Oct. 23, 1950 P. 9 ANOTHER TRIANGLE—Boulton-Paul’s P.111, second of three current British delta-wing aircraft, is powered by Rolls-Royce Nene 5000-lb. jet engine fed from bifurcated inlet. Sweepback of wing leading edge is approximately 45 deg.; trailing edge is straight.
• JUNE 8, 1953 P. 9 McDONNELL TRIES OUT DEMON—First unretouched photos of McDonnell XF3H-1 Demon carrier-based Navy jet fighter (above and below) show some detail blotted out by censors in earlier pictures. Note the large intake, previously concealed, for the Westinghouse J40 engine. In the above takeoff view, the plane's "droop snoot" leading edge is extended and the variable-angle tail has its leading edge well down.
• April 8, 1963 P. 94 (3 Pages) ALTERNATIVE CONFIGURATION one-piece nozzle formed by the plasma spray process has concentric heat-conducting planes which faithfully follow the shape of the structure. Heat flow is primarily toward the skirt and casing. Skirt thickness is about ⅞ in.
• April 8, 1963 P. 94 (3 Pages) Soviet Gunboat Fires Anti-Ship Missiles Soviet Komar-class gunboat is shown firing missiles in tests conducted in the Soviet Union. Gunboats are equipped with two missile launchers. Missiles have a range of approximately 15 mi., and are used primarily as anti-ship weapons. The same type of gunboats were reported active in the waters around Cuba (AW Feb. 18, p. 31).
• April 8, 1963 P. 94 (3 Pages) Decontamination Unit USAF is using portable decontamination stations at its Little Rock, Ark., Titan 2 site in areas where hazardous missile propellant are handled. Unit, manufactured by Speakman Co., Wilmington, Del., is suspended from a trailer boom.
• February 17, 1969 P. 29, 28 Boeing 747 giant jet transport climbs out after liftoff from Paine Field at the 747 assembly plant at Everett, Wash., on its first flight. Takeoff trailing-edge flap setting is 20 deg., and inboard flat Krueger leading-edge flaps and two outboard Krueger variable-camber flap sections on each wing are extended (AW&ST Nov. 20, 1967, p. 62). Note open blow-in doors around engine inlets.
• APRIL 26, 1999 P. 24

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