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fp racing f3

  1. L

    450 Quad. Replaced KK 2.1 with SP Racing F3. Quad going crazy

    Hi all, I decided to replace my KK 2.1 for a SP Racing F3, I wanted to try something that could give me some new features. First, I've got an "old receiver", a FASST Orange. And my transmitter is a Futaba 6EX (2.4 Ghz). Its an old setup but it worked fine with a KK FC. Basically, after...