Tosh McCaber Posted April 25, 2021 Share Posted April 25, 2021 I've just bought at a sale, a couple of MPX Nano S servos, which I believe are manufactured by Multiplex. On reading the on-line description, I see that they are meant to be powered by 2S lithium cells, their voltage running at 6.7- 7.4v, as opposed to the 4.8v servos that I'm used to. I was going to mount the servos in a small electric powered plane for aileron and elevator, running off a 3s battery with an ESC. There would a third (regular 4.8v) servo for rudder. Would this combination of low and higher voltage servos give any problems? Quote Link to comment Share on other sites More sharing options...
Martin Harris - Moderator Posted April 25, 2021 Share Posted April 25, 2021 Apart from slightly lower performance, the main problem might be in mixing digital and analogue servos - I have encountered interaction on one or two occasions. If your transmitter allows the option, make sure the timing is suitable for analogues if there's a mixture. Quote Link to comment Share on other sites More sharing options...
Andrew Calcutt Posted April 25, 2021 Share Posted April 25, 2021 I would buy a high voltage servo for what it would cost,then it should all work. Quote Link to comment Share on other sites More sharing options...
John Lee Posted April 25, 2021 Share Posted April 25, 2021 Multiplex list these servos as having an operating range of 4.8-6.0v. They are identical to Hitec HS-55 servos (Hitec own Multiplex) apart from the case colour. The HS-55 is also specified as 4.8-6.0v. Where does the higher voltage recommendation come from? https://servodatabase.com/servo/multiplex/nano-s Quote Link to comment Share on other sites More sharing options...
Martin Harris - Moderator Posted April 25, 2021 Share Posted April 25, 2021 Multiplex MPX Servo MINI-HV 65115 perhaps? Quote Link to comment Share on other sites More sharing options...
Tosh McCaber Posted April 25, 2021 Author Share Posted April 25, 2021 Apologies, on looking further, I've found that I've been misdirected to the wrong servo specs by my (usual) friend, Google. The Nano S, as you've correctly found, is a regular 4.8v Multiplex servo. So, no problems! Interesting scenario though, for mixing different voltage servos to a RX. Apologies for the waste of web space!! Quote Link to comment Share on other sites More sharing options...
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