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Aviation History
1990
1990 - 2735.PDF
F ARNBOROUCH REPORT FARNBOROUGH The 1990 SBAC Farnborough air show has seen little to surprise or excite, but many solid developments. General Electric committed it self to developing a smaller fan variant of the GE90 . China set out to find another Super 7 partner and it became clear that NATO's ACCS air defence masterplan was not immune from budget slicing. For those of a betting nature EFA is due to make its show debut in 92, any takers? First news comes from the Flight International team of John Bailey, Douglas Barrie, Eric Beech, Andrew Chuter, Kieran Daly, Simon Elliott, Mike Gaines, Ian Goold, David Learmount, Julian Moxon, Guy Norris, Gilbert Sedbon, Graham Warwick and Allan Winn, with photographs by Mark Wagner. R-R to power Ka-62R Rolls-Royce RTM322 turbo-shaft engines are to power the export version of Kamov's new twin-engined Ka-62R multipurpose civil helicopter. The UK company will initially supply five powerplants in 1993 for development flying aimed at civil certification of the combi nation in mid-1995. The partners, who signed a Memorandum of Understanding at the show forecast a potential export market of 200 14-seat, twin-engined helicopters. Kamov chief designer S V Mikheyev says that the com pany will first apply for Euro pean Joint Airworthiness Re quirements certification and then other approvals, possibly including US Federal Aviation Administration, as customers demand. Mikheyev says that "several hundred" Ka-62s will be built for Soviet domestic needs but that they will be powered by the Soviet Glushenkov TVD-1500 which has a nominal maximum power output of l,140kW (l,528shp) compared with the l,566kW of the RTM322. The TVD-1500 will also be used for initial flights in 1993 and offered to other Eastern European countries but Kamov indicates that ultimately each customer will decide on the engine choice. Mikheyev says that no other Western components are now on the aircraft but that propos als, notably for the main rotor hub, would be considered. He says that the 11-bladed fan-in-fin tail rotor is not a fenestron and has been tested in full-size model form in the windtunnel and on the bench. The four-bladed main rotor with swept back tips is already flying on an unidentified "ex perimental" helicopter. Mikbeyev claims that 60% of the total structure is of compos ite material including: carbon- reinforced Kevlar for practically the entire fuselage shell, tail boom, fin and rotor blade rear sections; glassfibre/carbon rein forced plastics for the main rotor spar and hub; and glass reinforced plastics for hub and tail fan components and the nose cone. The RTM 322 features full authority digital electronic con trol which can be interfaced with health monitoring equip ment. The companies say tbe helicopter still retains climbing capability with one engine failed. Quoted performance figures include: maximum take-off weight with external load 6,500kg, maximum payloads of 2,000kg internally or 2,500kg including external carriage, maximum level speed of 300km/h, maximum cruise speed of 270km/h, engine out rate of climb of 5m/s, opera tional range 585km or 1,000km with additional fuel'tanks. • Korean Air builds Black Hawks Korean Air is to build ap proximately 100 Sikorsky Black Hawk helicopters, worth about $500 million, for Repub lic of Korea forces over the next five years. Sikorsky initially will provide a small number of com pleted aircraft to be reassembled in South Korea and delivered early next year. Company vice-president Jim Satterwhite says that an increas ing proportion of the aircraft will be produced in South Korea during the programme, with Korean Air producing the airframe and Sikorsky the dy namic systems. He says: "There is a possibil ity as they mature in manufac turing and are cost competitive that they could supply parts back to us". At present only the South Korean Army will take the air craft, which are designated UH- 60P but are almost identical to the US Army UH-60L version and have the more powerful General Electric T700-GE-701C engines. Later the Air Force and Navy will also procure aircraft, but Satterwhite says that the config urations of those aircraft have not been decided. • FLIGHT INTERNATIONAL 12 18 SEPTEMBER. 1990
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