Death fighter Posted July 13, 2016 Share Posted July 13, 2016 Hi all, I brought a nuprol 999 version 3 gearbox which got deliverd today, I installed it but it seems the motor does a few spins that stops and move slightly on each squeeze of the trigger. I'm using a 7.4 v nimh and just wonderd if I should be running it on a bigger battery or should it still work with a 7.4v. Thanks Link to comment Share on other sites More sharing options...
Death fighter Posted July 13, 2016 Author Share Posted July 13, 2016 Scratch that my battery is an 8.4 however I still have problems with the motor not cycling and its brand new! Link to comment Share on other sites More sharing options...
Dechande Posted July 14, 2016 Share Posted July 14, 2016 Check the battery is fully charged, next check would be motor height. If the motor is set too high it will do what you're describing. Do you know what spring is in the gearbox? Link to comment Share on other sites More sharing options...
Death fighter Posted July 14, 2016 Author Share Posted July 14, 2016 Sorted it, seemed my battery was knackered! 👍🏻 Link to comment Share on other sites More sharing options...
Dechande Posted July 15, 2016 Share Posted July 15, 2016 At least it was simple! Link to comment Share on other sites More sharing options...
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