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Aviation History
1958
1958 - 0635.PDF
FLIGHT, 9 May 1958 651 Upper three pictures, from the top: Dormer Do.27 behind Stark Turbulent; Heinkel/Messerschmitt licence-built Magister; and Blume 502, with split and slotted flaps. and repair contract for Luftwaffe Sabres and T.33s at Munich.When the ban on German power-flying was lifted on May 5, 1955, the tandem Motoraab put in a strong "first" claim by takingoff in the early hours of that very morning. Successor to the Motoraab is the side-by-side two-seater known as the Elster andproduced by the Alfons Piitzer company of Bonn, one of two high-wing German light aircraft (in addition to the Do.27) at theHanover show. Powered by a 50 h.p. Porsche engine, the nose- wheel Elster flies at a weight of 1,430 lb and is sold for DM 21,500(£1,830). The other light high-winger was the SF.23 Sperling (Sparrow)D-ELAR, a product of the Egon Scheibe company of Munich, well known for its range of sailplanes. Normally powered by a95 h.p. Continental, the Sperling can be fitted with any one of a range of 65-95 h.p. engines. Surprisingly little interest in the Hanover show was evidencedby the German sailplane manufacturers. The only sailplane there, in fact, was a 15-metre L-Spatz 55 exhibited by Burgfalke Flug-zeugbau of Regensburg. This company was also planning to demonstrate its M.150 Schulmeister (65 h.p. Continental) twin-boom trainer, but the aircraft had not appeared at the time of Flight's visit to Hanover early last week. Among the most attractive and sprightly light aircraft demon-strated were the trio of crisp-looking Druine Turbulents built by the Stark company of Minden. These were three of an initialbatch of ten aircraft (after three prototypes): for the future, the production of kits for amateur constructors, as well as the con-tinued manufacture of complete aircraft, is envisaged. The Stark Turbulent is powered by a Stark Stamo-1400 four-cylinder, 1,500 c.c. aircooled engine which develops 45 h.p. Com- pared with the original Druine design, the construction of theaircraft is stronger—and therefore heavier, at a flying weight of 685 1b. Selling price of the Turbulent is DM 13,800 (£1,180).The engine alone costs DM 3,400 (£290), or DM 3,520 (£300) with electric starter. As mentioned, the RW.3 and the Elster are powered by Porscheengines—perhaps the most attractive and proven indigenous power units available for German light aircraft today. The current four-cylinder Porsche series comprises types 678/0, 678/1 and 678/3, each of 1,582 c.c. The first two of these each produces 65 h.p. fortake-off and 50 h.p. for cruising, and the 678/3 gives 52 and 40 h.p. The reduction-gear ratio is respectively 1.7 : 1, 2.12 : 1and 1 :1. Among the exhibits in the display hall was a wide range ofR.F.D., Irving and Martin-Baker equipment (by Dr. Gerhard Sedlmayr's Autoflug company of Hamburg); and a promisinglight-weight V.H.F. radio set made by Max Egon Becker of Baden-Baden. The Becker equipment, designated AR 24, is par-ticularly suitable for sports and touring aircraft—and, indeed, was fitted in many of the aircraft displayed at Hanover. It has 24crystal-controlled transmitter channels, variable receiver tuning over the frequency range 108-118 mc/s (navigation) and 118-132 mc/s (communication), and a total weight (including power unit and amplifier) of only 21 lb 3 oz. Although not exhibiting at Hanover, the "northern union" groupof aircraft companies—Focke-Wulf, Hamburger Flugzeugbau and Weserflug—are actively involved in West Germany's current pro-gramme. This work includes the licence-production of the Nor- adas transport and (by Focke-Wulf/Blume) the Piaggio P.149D. Among the foreign aircraft shown at Hanover were a represen-tative selection of U.S. business and executive types which included the current Beech and Cessna ranges, Mooney Mk.20A, HelioCourier and the first Piper Comanche to be delivered to Europe (N5089P). Representing Britain, Czechoslovakia, France and theNetherlands respectively were a de Havilland Dove; Super Aero, L-60 Brigadier and Zlin Z.226T Trener; a Jodel D.117; and anH.3 Kolibrie ramjet helicopter. Weadier during the first few days of the exhibition (which washeld from April 27 to May 6) was wet, cold and gusty—not con- ducive at all to the sports-flying gala that should have been. Tophonours for effective demonstration flying under appalling condi- tions undoubtedly went to R. G. Van der Harten (Kolibrie),Heinrich Schaefer (Do.27) and, especially, to Miloslav Kocir in the Zlin Trener. Throughout the period of the Industries Fair, a chartered B.E.A.Whirlwind was kept busy carrying international passengers who "were in a hurry from Langenhagen Airport to the site of the main"fair. At die fair, British aircraft-industry representation was pro- portionately even weaker than in the aircraft park at Langenhagen,the only major companies choosing to exhibit being B.E.A. and D. Napier and Son. K. T. O. tower three pictures, from the bottom: Scheibe Sperling, with Kolibrie helicopter in background; Putzer Elster; and Klemm KI.107B.
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