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  1. Servos, ESCs and Failsafes
    I'm upgrading the steering servo on my Savage X 4.6 from the HPI SF-1 too the Hitec 645MG. I've used the SF-1 servo and it runs fine and works as it's supposed too. I filmed a clip of the SF-1 and then took it out and put in the 645MG. If you watch both clips together at the same time you...
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