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throttle servo with side pipe

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nitrocat

nitrocat

RCTalk Racer
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hawaii
RC Driving Style
  1. Bashing
  2. Racing
Help i have burned out 3 servos in a month and i havnt been runnin 2much like :angry:12 runs maybe I've had no crashes just few roll overs i have had 2 trax 2075 and today after lil 15min maybe my JR racing z650m metal gear stoped working i have a racers edge carbon fiber servo brace i have checked the carb slide and throttle linkage bearings in throutle arm the radio reciever and remote everything lol why do i keep killin servos do u think maybe the heat from the side pipe is frying them
 
I wouldnt have thought so but anything is possible...

Do you have a temp gun...??
Maybe you can get rough temp after a run in your servo box...

Alot of ppl have side pipes on their Revos and this wld be the first time I've heard of this happening...
But there is definatly something wrong..
 
Make sure your servo isn't over extending the linkage, i.e., forcing it to go farther than it has too. That will kill servos fast. The heat may be causing problems as well. Use a little 1:1 header tape on the servo. There is probably something else that would work for heat shielding too. Maybe someone will chime in with something a little more common.
 
Metalhead Matt said:
Make sure your servo isn't over extending the linkage, i.e., forcing it to go farther than it has too. That will kill servos fast. The heat may be causing problems as well. Use a little 1:1 header tape on the servo. There is probably something else that would work for heat shielding too. Maybe someone will chime in with something a little more common.
Click to expand...

Not a bad idea. If you didnt want to put it on the servo you could always put exhaust tape on the back side of the pipe so it wouldnt radiate in that direction. But I dont see that killing servo after servo. Seems there is some other issue.
 
Metalhead Matt said:
Make sure your servo isn't over extending the linkage, i.e., forcing it to go farther than it has too.
Click to expand...
That would be my thought, too. With the engine off, work the trigger to its full range, from throttle to brake, and see if the linkage is being forced to go farther than the carb will allow it to. Make any adjustments necessary till you know there's no strain on it. Since it's not a steering servo, there is very little load on it.
 
i stretched the life of my throttle/brake servo's by putting some fuel line on the brake rod to help cushion the force applied when braking,, :)
 
Are you running the stock TRS (throttle return spring)? IMHO, those things should be removed and replaced with better linkage. They are way too stout to do anything but bind carbs and burn up servos. Relying solely on a TRS to get proper throttle action just ticked me off and it was one of the first things I got rid of.
 
i am using the stock throttle return spring should i replace it with one thats not so tight i already put bearings in my throttle link its smooth and dosnt bind
 
Well, I run a lighter TRS and different slider that also has a stop and a spring on it to help pull the carb shut.
2010-0430-RevoThrottleLinkage18TM.jpg


I also run a ball end and I put bearings in my pivot like you.
 

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