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The LS7 was developed as the successor to the LS4, one of the most successful gliders ever produced.. In a departure from the design philosophy of the LS4, Rolladen-Schneider set out to design the LS7 as an uncompromised competition machine, seeking the highest performance possible with the technology of the time.
At the same time the control and ballast systems were brought up to a new standard shared with the LS7: fully automatic control hook-ups, a mass-balanced flaperon drive system (previous versions having anti-flutter dampers), airbrake locks relocated in the wings, a trigger-activated trim system in place of the trim wheel, a new ballast system ...
Following the transfer of ownership, subtype designations and specifications changed slightly. LS8-a : as the previous –a model except the spar is not reinforced for span extension. LS8-s : corresponds to the previous LS8-18 model, with a larger main undercarriage, the wing further reinforced for an increased maximum weight of 575 kg in the ...
LS7 may refer to: Vehicles. General Motors LS7, a small-block V8 gasoline engine; Rolladen-Schneider LS7, a 1988–1993 German high-performance single-seat ...
The design of the LS4 was influenced mainly by the experience Rolladen-Schneider had gained with the LS2 and LS3 flapped gliders. Wolf Lemke returned to a double-tapered wing planform, giving it a larger area comparatively to the LS1 and LS2, and enlarged all control surfaces: the ailerons were elongated and brought further inboard and the tailplane span was increased.
In spite of its weight the LS3 is a nimble climber. It is also less sensitive to rain or dirt than other types with the same profile. Its thicker wing takes its toll at higher speeds, where it could not keep up with the contemporary ASW 20, the best 15-metre glider of its generation. One puzzle is how Dick Johnson's flight tests showed ...
The LS7.R engine is a variation of the LS7 used in the highly successful C6.R American Le Mans Series racecar. It was crowned as Global Motorsport engine of the year by a jury of 50 race engine engineers on the Professional Motorsport World Expo 2006 in Cologne, Germany. [108] LSX. LSx is also used to denote any LS engine. Chassis with LSX engine
It is of the FAI DU Class glider. It is sold by Alisport ready-to-fly or kit-built as pure glider or self-launching glider. The self-launching version can be fitted with a single-blade propeller belt-driven by a two-stroke engine or with a double-blade folding propeller directly driven by an electric motor. [1] [2]