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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 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.
The Schleicher AS 33 is a German glider manufactured by Alexander Schleicher. [1] The prototype had its maiden flight from Huhnrain Airport, Poppenhausen near Frankfurt on 23 January 2020. [ 2 ] [ 3 ] [ 4 ] The design can be flown in the 18 metre class or in the 15 metre class .
The AS 34Me is a single-seat, mid-wing sailplane of composite construction, with a retractable monowheel landing gear and a T-tail. [1] The design is based upon the ASW 28 , with an unflapped wing. It can be flown with an 18 m (59 ft) span and 11.9 m 2 (128 sq ft) area or a 15 m (49 ft) span and 10.5 m 2 (113 sq ft).
Of note are the developments made by Scaled Composites and the German glider manufacturers Schempp-Hirth and Schleicher. [8] These companies initially employed solid fibreglass spars in their designs but now often use carbon fibre in their high performance gliders such as the ASG 29 .