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Aviation History
1987
1987 - 0017.PDF
Andreasson develops BA-14 MALMO Forward-swept wings, butter fly tail, and all-composite construction are key features of Bjorn Andreasson's latest design, the BA-14. The two- seat aircraft, which has a projected gross weight of 9901b and a wingspan of 37ft, is being developed at Malmo in Sweden. The braced wings have 3° forward sweep and 1-5° of dihedral. Design details have been ironed out in experi ments on a Saab Supporter with a special high-lift composite wing, which is said to have halved the Supporter's take-off and land ing distances and to have increased climb rate by 15 per cent. However, it did cut cruise speed by 3 per cent. Power will come from any of three engines: the two- stroke Rotax 532; the Rotax 912 (now under development); and the Avco Lycoming O- 235. Andreasson expects the Rotax 532 to give the BA-14 an 86kt cruise and a 4hr endurance at 75 per cent power. Take-off distance is predicted to be 240ft and stal ling speed just over 32kt. Malmo Forsknings & Inno vations, a research and devel opment company, will build the prototype. Production aircraft will be built by the Swedish Flying Club. Andreasson has previously used composites and a butter fly tail on his BA-12 design. The BA-14's appearance invites comparison with that Bvjorn Andreasson's latest two-seater of the ARV Super2 as well as with Andreasson's earlier designs. The two share forward-swept braced wings, side-by-side seating, and tricycle undercarriage. The Super2 has a somewhat shorter wingspan of 28ft 6in and a lower aspect ratio. Its maximum take-off weight is 2001b higher at around 1,1001b. Israel flies Gambit TEL AVIV The prototype Gambit two- seat canard has begun flight tests. Ten have been made, and the aircraft has reached 4,000ft altitude and 90 m.p.h., according to Israeli manu facturer Scicraft, a subsidiary of Cyclone, writes Arie Egozi. Scicraft wants to begin manufacture next year, but this hinges on it being able to find a partner to share future and past costs. The USA is seen as the main market for the aircraft, which would be sold in kit form or ready-built in two versions, powered by either a 64 h.p. or a 90 h.p. engine. The selling price is expected to be US$20,000-$25,000. Predicted figures for the lighter 600 model are: empty weight of 6101b; gross weight 1,0501b; minimum flying speed 45 m.p.h.; cruise speed 90 m.p.h.; maximum speed 100 m.p.h.; and maximum rate of climb 600ft/min. It will be powered by a liquid-cooled Rotax engine. The heavier 900, which shares the same wing and fore- plane areas, will be powered by a Limbach L-2400 or equiv alent engine. Empty weight will be 6601b; gross weight 1,1151b; minimum speed 48 m.p.h.; maximum speed 130 m.p.h.; and wing span 32-lft. PRIVATE FLIGHT Duke delivers Shadow award LONDON ~ HRH Prince Philip the Duke of Edinburgh has presented a UK Design Council award to David Cook, designer of the Shadow light aircraft. The award is said to recognise the good performance and low cost of the small aircraft, which was certificated in the UK microlight category. Manufacturer CFM Metal- Fax of Leiston (Suffolk) claims that the Shadow two- seater is the first of its type to win such an award. It is also the holder of two Federation Aeronautique Internationale- ratified world records for speed and distance. Mistral joins mountain tests SELONNET The French region of Selonnet has hosted an experiment intended to discover the practicality of using very light aircraft for utility work in mountainous regions. Possible uses for small aircraft include surveillance, photography, and transport of personnel and materials, says French company Aviasud, which makes the Mistral. One trial was the transport of a bale of hay to a rough landing field at 7,500ft alti tude while being timed, according to Aviasud. The company equipped its Mistral with skis for the experiment, intends to offer the skis as optional equip ment. The Scicraft Gambit on an early test flight The Aviasud Mistral recently flew with skis FLIGHT INTERNATIONAL, 4 April 1987 15
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