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05-29-2020, 04:26 AM
| #1 |
| Newbie Join Date: Feb 2020 Location: Utrecht
Posts: 22
|  Scx24 sound
Some help please before I tear down the scx24. I was driving today, and the car fel down from 2-3 feet. When I picked it up the sound of the drivetrain wasn't the same as before. Speed and torque are the same. Someone got an idea where to look at? Gearbox or pinion? Other ideas? Motor? Please take a look at the short video I made. https://youtu.be/JO970kmvgb0 |
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05-29-2020, 08:51 AM
| #2 |
| I wanna be Dave Join Date: Jul 2014 Location: Deep South
Posts: 3,444
| Re: Scx24 sound
Check pinion-spur gear mesh.
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05-29-2020, 10:17 AM
| #3 |
| Newbie Join Date: May 2020 Location: Lake Worth
Posts: 30
| Re: Scx24 sound
Yeah possible something shifted and messed up your spur gear mesh. Just start with the easiest thing first. As you were moving the car around you could tell when the sound was higher or lower which might be hard to do by ear on such a small rig. Try moving your phone around the car more slowly and pay attention where your phone mic is and see where the sound is the loudest. That will point you to your problem spot. It is hard to tell on your video as we don't know where your mic is in relation to your camera and you went so fast around the different areas. I did notice the was quitest when you looked at the front and read of the car which would make it less likely to be a diff issue.
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05-29-2020, 12:55 PM
| #4 |
| Newbie Join Date: Feb 2020 Location: Utrecht
Posts: 22
| Re: Scx24 sound
Allright, looking at the pinion/spur/gearbox equals a teardown haha. As far as I can tell all teeth are looking good and the motor also sounds good when I drive it without the gearbox. Should I put some grease in the gears? There was no grease in the gearbox when I opened it.  |
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05-29-2020, 02:47 PM
| #5 | |
| I wanna be Dave   Join Date: Apr 2010 Location: Oakridge
Posts: 3,305
| Re: Scx24 sound Quote:
 Ernie | |
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05-29-2020, 03:14 PM
| #6 |
| Newbie Join Date: Feb 2020 Location: Utrecht
Posts: 22
| Re: Scx24 sound
After an inspection I put it all back together, and somehow it runs silky smooth again. My guess that the spur shaft shifted a little bit during the landing and that caused the tickering noise |
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05-29-2020, 04:00 PM
| #7 |
| I wanna be Dave  Join Date: Jan 2006 Location: Corruptifornia
Posts: 12,107
| Re: Scx24 sound
Motor shifted when it took the fall, you took it all apart to inspect, put it back together with proper pinion/spur mesh and now all smooth and quiet.  |
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05-29-2020, 04:06 PM
| #8 |
| I wanna be Dave Join Date: Jul 2014 Location: Deep South
Posts: 3,444
| Re: Scx24 sound
You’re welcome. LOL.
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