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The Schleicher ASG 29 is a German sailplane manufactured by Alexander Schleicher GmbH & Co since 2006. It can be flown as an 18 metre Class glider or as a 15 metre Class glider. The 'G' indicates a design by Michael Greiner. It is a refinement of the popular ASW-27 and for certification purposes it is designated the ASW-27-18.
A Schleicher ASG 29 glider shows its monowheel landing gear. A variation of the taildragger layout is the monowheel landing gear. To minimize drag, many modern gliders have a single wheel, retractable or fixed, centered under the fuselage, which is referred to as monowheel gear or monowheel landing gear.
The landing gear represents 2.5 to 5% of the maximum takeoff weight (MTOW) and 1.5 to 1.75% of the aircraft cost, but 20% of the airframe direct maintenance cost. A suitably-designed wheel can support 30 t (66,000 lb), tolerate a ground speed of 300 km/h and roll a distance of 500,000 km (310,000 mi) ; it has a 20,000 hours time between overhaul and a 60,000 hours or 20 year life time.
The glider was developed as a replacement for the ASH 26. [3] The self-launching Mi version is powered by a 41 kW (55 hp) Wankel engine. [4] The improvements over the ASH 26 and ASG 29 are given as: Extended ailerons; Redesigned wing structure
English: Landing gear of an aircraft, schematic view of the retracting mechanism. Filled circles are fixed relative to the airframe. Coloured arcs denote the locus of points. 1 Hydraulic Ram 2 Hinge Mechanism 3 Strut 4 Wheel Boss 5 Wheel . 6 Fuselage/Wing
Spoilers were used by most gliders (sailplanes) until the 1960s to control their rate of descent and thus achieve a controlled landing. Since then, spoilers on gliders have almost entirely been replaced by airbrakes, usually of the Schempp-Hirth type. Spoilers and airbrakes enable the glide angle to be altered during the approach while leaving ...
The company was founded in 1927 by Alexander Schleicher using money that he had won as a pilot in a gliding competition. It grew quickly in size and fame, producing many notable designs including the Anfänger ("Beginner"), Zögling ("Student"), Professor, Mannheim, and the Stadt Frankfurt (City of Frankfurt).
The ASH 26 is an 18 metre Class glider, built of modern fibre reinforced composites. It first flew in 1993. It is manufactured by Alexander Schleicher GmbH & Co. The 'H' indicates this is a design of Martin Heide. The ASH 26 has plain flaps, a retractable undercarriage and a water ballast system.