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qav 250r qav x

  1. O

    QAV X AND QAV250R BUILD HELP PLEASE

    New to this sport, never flown or built before,I am sparing no expense in building two drones so I want to get this right. I am currently ordering parts to build my son a QAV 250r and I ordered a QAV x for myself. Below is what I have ordered for parts and I need some help with eCalc...