Mechanik einzeln zuEinziehfah Graupner 192.3 Electrically retractable landing gear mechanism for models up to around 5000 g. The mechanism can be connected to the receiver easily and simply, and retracted/extended via a control switch. The retractable landing gear has an anti-blocking system that switches off the electronic system in the event of a mechanical blockage. Switching back to the last position re-activates the landing gear and triggers movement backto the last position.