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  1. E

    9x flash failed, need help from experts

    Hello RC friends, Sorry for my english, I`m from Germany. The story started last spring when i first saw David`s tricopter. I was amazed and had to build it. So I bougt thes tuff i need from HK. As a transmitter i chose the Turnigy 9x. It had the V2 firmaware on it. When I was done with the...