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Newsletter - AIR: 03/2010 | |||||
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This combo set includes 3 ultra lightweight servos, receiver unit with built-in amp, transmitter with built-in charger and special large capacity Li-Poly battery, and an un-assembled kit.
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AIR NEWS | |||||
MDM-1 Long Fox Pinocchio (ARF) The MDM-1 Fox, which first flew in 1993, is a development of the single-place aerobatic Swift S 1. Although it has been described as two-place for all jobs, the MDM-1 Fox is optimized for aerobatic training with erect and inverted clearance of +9/-6 G with one person and +7/-5 G with two people. The landing gear is fixed, and approach control is assisted by Schempp-Hirth airbrakes. This sailplane was first displayed at the World Glider Aerobatic Championships in Venlo, Netherlands, 1993, where Jerzy Makula flew it to win the World Championship. Shortly after the Championships ended, promotional flights were arranged to enable top pilots to fly this aircraft. The Fox has since had several successes at other international competitions. This model with its fiberglass fuselage and its fiberglass reinforced, balsa sheeted foam wings can handle full aerobatic pattern. The careful use of composites with competition balsa, creates a good light structure that will hold its shape for a long time. One of the unique features of this ARF is its wing construction. The wing is foam core balsa sheeted with both fiberglass and carbon fiber reinforcing. The leading edge is actually fiberglass. This gives the Long Fox performance characteristics similar to a fully molded wing while still remaining very light and relatively inexpensive. The synergy of low weight and strong structure is very unusual in a production sailplane and can only be achieved with careful attention to design and construction. This model is considered one of the best values on the market today. Alsema Sagitta (ARF) The Sagitta (Arrow) was the first and last single seat standard class design from Holland. Designed by Piet Alsema the Sagitta first flew in 1960, after three years of planning. It has an all-wood fuselage and wooden wings with fabric cover. The Sagitta was the first "Standard Class" glider design to appear from the Netherlands. It was a modern high performance design with features like automatic connecting control surfaces on assembly and a backward sliding canopy that can be fixed open in flight at several positions. Piet Alsema used his three years planning and research before the first prototype flew on the 4th of July 1960. Even today the glider looks slick with its slender all-wood fuselage with raked fin and rudder, long pointed nose and sliding blown canopy which provides excellent all-round visibility. The two piece wing has a single spar made of spruce and about 25% of the wing is covered with fabric. The ailerons are plain wood and the uniquely constructed airbrakes open both from the upper and lower wing surfaces. The fuselage is of a relatively light construction, while the wings with their extremely strong spruce spars and wooden ailerons are quite heavy constructed. This model with its fiberglass fuselage and its fiberglass reinforced, balsa sheeted foam wings can handle full aerobatic pattern. The careful use of composites with competition balsa, creates a good light structure that will hold its shape for a long time. One of the unique features of this ARF is its wing construction. The wing is foam core balsa sheeted with both fiberglass and carbon fiber reinforcing. The leading edge is actually fiberglass. This gives the Sagitta performance characteristics similar to a fully molded wing while still remaining very light and relatively inexpensive. The synergy of low weight and strong structure is very unusual in a production sailplane and can only be achieved with careful attention to design and construction. This model is considered one of the best values on the market today. Glasflugel H-205 Club Libelle (ARF) The Libelle and Standard Libelle were very popular and influential designs. The prototype made its first flight in October 1967, with a total of 601 being built. The type soon made its mark in contest flying; one flown by Per-Axel Persson of Sweden, winner of the 1948 World Championships, came second in the Standard Class at the 1968 World Championships at Leszno in Poland. Their very light wings and extremely easy rigging set a new benchmark. The Standard Libelle was superseded by the Hornet. The changes consisted of removing the flaps and tail braking parachute, fitting a fixed, instead of retractable wheel and raising the height of the canopy. A new Wortmann wing section was featured and terminal velocity dive brakes were fitted. With a change in the Standard Class rules, the H-201B of 1969 introduced a retractable gear and a water ballast system as an option. Other improvements in the B variant were larger upper surface dive brakes, a larger stabilizer for better low-speed handling, PVC foam sandwich core for the wing (instead of balsa) to increase durability and profile accuracy. |
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