Pneumatisches Dreibeineinzieh Graupner 186 Pneumatic tricycle retractable undercarriage
Pneumatically actuated tricycle retractable undercarriage for powered models with all-up weights of around 7.8 kg. The undercarriage is retracted and extended by means of compressed air. At both end-points the retract units are mechanically locked. The wheel legs are sprung, as on the original aircraft.
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3-60 Weeks