Originally Posted by beers4evo
hey guys, theres a few sites i visited in regards to servo noise and just thought i'd get the right information as its all mixed thoughts.
Now, i have 2 digital servos....and they make noise....on idle its very little noise, sometimes no noise at all (servos in neutral) upon opening the throttle or steering, it makes a buzzing noise.
I have checked my steering servo and made sure it was aligned correctly and when turning the wheel on the controller, i made sure the horn is not binding/or pressing against anything. But the noise occurs. Yes thats right, I have done epa as well on my controller
Same goes with throttle...
Another thing, some sites say, digital servos making noise is NORMAL, thats how they are. But also could be tension...If the servo's make noise then is that ok? and as long as its not pressing up against anything (tension)...
Now for another issue, my buggy, with the receiver, servo and radio it came with was all AM. I changed the receiver to digital (specifically to the mx3fhss receiver) and put the same controller settings as the AM radio on the mx3fhss and upon neutral, a slight buzzing noise occurs, for steering and throttle...so im assuming this is normal then....otherwise please explain why not?
Almost all digital servos make that high pitch buzzign sound you are experiencing. This is the result of motor and circuitry making fine adjustments trying to keep the gears, and thus the servor horn in a steady position until they get input from your radio.
I'm not sure if you know this or not, but it is also why digital servos drain batteries faster than non-digital servers. if you'r not careful you can drain a battery pack just letign yiour car sit on the ground with power on.
Yes....I did that once before
You might want to consider just using normal servos in your throttle and only use digital for steering. Otherwise, invest in lipo receiver packs and a good votlage regulator.
I mean honestly, I only have digital servors because they have come down in price so much from when I first started RC'ing (2000) and the because of the torque they provide. So unless you are a serious racer (with considerable driving skills) or you do alot of off roading, then you don't have to use digital.
With all that said.....they do add to the bling factor of any rc vehicle, but they are becoming more and more common.