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-   -   Servo temp??? (http://www.rccrawler.com/forum/electronics/605030-servo-temp.html)

Frank211 12-29-2018 06:26 PM

Servo temp???
 
So was just missin around with the truck(indoors),so when i was done,i went to touch the servo, it was warm to the touch, that was odd to me, 10 to 15mins of play time and the servo was warm, is that a bad sign ?

Is there a temp for the servo not to go over, before it stops working ?
Its a JX HV coreless servo if that helps.

Voodoobrew 12-30-2018 12:27 AM

Re: Servo temp???
 
JX servos are knockoffs, probably normal for them to get hot, try a shorter steering arm. probably 150f is fine.

Frank211 12-31-2018 12:18 PM

Re: Servo temp???
 
Quote:

Originally Posted by Voodoobrew (Post 5896052)
JX servos are knockoffs, probably normal for them to get hot, try a shorter steering arm. probably 150f is fine.



Ok cool thanks for the info, a shorter steering arm, what will that do ?

Voodoobrew 01-01-2019 04:43 PM

Re: Servo temp???
 
It's like gear reduction, it increases the torque but reduces max steering travel. Depending in your radio you can get that throw back by increasing the steering travel to 150%

Ditchrat 01-02-2019 08:33 AM

Re: Servo temp???
 
Quote:

Originally Posted by Frank211 (Post 5895997)
So was just missin around with the truck(indoors),so when i was done,i went to touch the servo, it was warm to the touch, that was odd to me, 10 to 15mins of play time and the servo was warm, is that a bad sign ?

Is there a temp for the servo not to go over, before it stops working ?
Its a JX HV coreless servo if that helps.




Check your EPA. If it is bottoming out then it can cause heat.

Frank211 01-03-2019 10:48 AM

Re: Servo temp???
 
Have checked epa,and set them up properly.

After reading what Natedog said about the boom steering arm, does the steering arm need to be fowrad on the servo rather than backwards, i just bought a chassis servo mount for my rig and my arm is facing backwards, can that be why its getting warm , or it doesn't really matter which way the arm sits ?

Ditchrat 01-03-2019 11:03 AM

Re: Servo temp???
 
Quote:

Originally Posted by Frank211 (Post 5897266)
Have checked epa,and set them up properly.

After reading what Natedog said about the boom steering arm, does the steering arm need to be fowrad on the servo rather than backwards, i just bought a chassis servo mount for my rig and my arm is facing backwards, can that be why its getting warm , or it doesn't really matter which way the arm sits ?




Electronics only get warm if there is more current passing through it then it is designed to dissipate. Let's assume it was designed properly, that means somehow more work is occurring. You are left with little options on what that might be.


I would start with the screw attaching the arm, make sure it isnt too long causing some type of binding. Then I would recheck the EPA, because its easy and well shyte happens. After that I would removed the steering linkage. Check the rod ends, I have loctited them fast before. Run the servo with no load, see if it gets warm. Cycle the steering by hand, see if there is a bind, put a long screw in the rod end so you can feel if thats the bind.


Once all those are done I would put it back together, cycle it and check the heat. If there was still heat, I would hold the tires and burn that b1tch up because I could. Then take it apart only to find a bound up gear and be pissed for not checking on that too.



No the arm movement doesnt mater.


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