Landeklappen Graupner 93 For R/C sailplanes up to 3 m wing span. The big advantage of these spoilers is their extremely low profile. This permits their installation even in wings sporting very thin airfoil sections. The frame (A) of the spoiler is made of readily cementable ABS plastic. The spoiler flap (B) of polyamide is hinged to the frame at two stations and - being snap-fitted - can be easily installed and removed, as the case may require. Axle (D) with lever (E) is cemented in the bearing bushes (F) this allows it to be rotated relatively to the fuselage. Two bearing brackets (G) are supplied which are used to reinforce balsa fuselages. Lever (E) may be shifted laterally so it can be brought into alignment with the clevis of the respective servo. A force-conductive yet readily disconnectable connection to the spoiler is obtained by use of the
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