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Aviation History
1955
1955 - 1143.PDF
FLIGHT, 19 August 1955 257 AIRCRAFT INTELLIGENCE TheConvair XF2Y-1 Sea Dart, on the fe/t, is distinguished from its predecessors in haying a single retractable hydroski. Earlier machines had two skis. The Meteor is a Mk 7/8, used by Martin Baker for ejection-seat tests. up a production line. The three prototypeswill be built by Hurel-Dubois at Villa- coublay. S.O.1221 Djitm. Modifications incor-porated in the S.O.1221 Djinn helicopter— in particular an increase in rotor diameterfrom 32ft lOin to 36ft—has enabled the payload to be raised by 132-154 lb withoutaltering the performance figures. It was recently reported in the Argentine thatnegotiations are under way between the Argentine Government and S.N.C.A.S.O.concerning the purchase of several Djinns for civilian use. Marcel Dassault 550. This delta-wing in-tercepter (two Dassault/Armstrong Siddeley Vipers), which was first flown on June 25th,has made five test nights with Roland Glavany at the controls. Flying will beresumed at the end of August. Czechoslovakia Zlin Z-26 Trener 2. For some years theZlin Z-26 Trener has given good service in Czechoslovakia and Poland. A new ver-sion, known as the Trener 2, has now been developed. The engine is the WalterMinor 4-III inverted air-cooled unit. Cruising speed is about 111 m.p.h. andtake-off run 186 yd. U.S.A. Convair JB-36 with Nuclear Reactor. Aspecial B-36 is now being prepared by Convair to carry the first airborne nuclearreactor for shielding tests. It is dis- tinguished from standard machines byheavy shielding around the cockpit portion. U.S.A.F. Development Contracts. Sixdevelopment contracts have been awarded by the U.S.A.F. in the long-range inter-cepter, fighter/bomber and tactical bomber categories. The long-range intercepterproposals are by North American, North- rop and Lockheed, the North Americanbeing the F-107 (originally called the F-100B), the Northrop a delta develop-ment of the F-89 Scorpion, and the Lockheed a new straight-wing design.U.S.A.F. specifications for the n<_*r inter- cepter called for Mach 2 performance anda combat radius of 1,000 miles. Republic and North American have received con-tracts for a fighter/bomber, and Martin and Douglas for a tactical bomber. Pantobase YC-123. First illustrated inFlight last week, this development of a C-123 assault transport by the StroukoffAircraft Corporation has retractable hydro- skis. The fuselage has been made water-tight and lateral stabilizing floats are fitted beneath the wings. Airscrew diameter hasbeen slightly reduced. A U.S.A.F. con- tract for six more aircraft is in hand, andthese will furthermore have boundary layer control features now being tested inanother prototype, the XC-123D. France Hurel-Dubois H.D.35. An order for threeof these long-endurance anti-submarine aircraft has been placed by the FrenchNavy, seemingly pointing towards quantity production. Arrangements have accord-ingly been made by S.N.C.A.S.E. to set WESTLAND S-55 (Pratt and Whitney R.I 34* Woip) Rotor Diameter ... ... 53ft Fuselage length ... ... 41ft &Jin
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