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08-08-2014, 03:14 PM | #1 |
Quarry Creeper Join Date: Sep 2013 Location: Norway
Posts: 418
| CVD front axle binding when turning
Bought some used SCX10 axles with HR C-hubs and knuckles, beef tubes and some unknown brand CVD's. Problem is they are binding badly when the knuckles turn. I can see with my bare eye that the knuckle and CVD-joint is not turning around the same point. Turning the knuckles will pull the CVD outwards from the axle (shaft seems too short) and force it against the knuckle. The collar on the outer part of the CVD pushes on the bearing. It's obvious to me that the parts doesn't match at all. One might be off, or both. Anyone got any experience with the HR parts? |
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08-08-2014, 04:33 PM | #2 |
Quarry Creeper Join Date: Mar 2013 Location: Pilipinas
Posts: 377
| Re: CVD front axle binding when turning
It's most likely the unknown brand cvds, locals here use hr without problems, and ive heard about cheap cvds from rcmart or asiatees not fitting well even on stock knucks and chubs. <<<< Tapatalk HD>>>> |
08-08-2014, 07:35 PM | #3 |
Rock Stacker Join Date: Mar 2014 Location: HK
Posts: 57
| Re: CVD front axle binding when turning
I have just got the HR high steer knucks and Axial CVD. I have notice there are a bit chattering at the max angle. Check the interference point at max steering angle. Mine are the edge of CVD outer shaft touching the CVD inner shaft. I would program end point where these two parts touch.
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08-09-2014, 12:46 AM | #4 |
Quarry Creeper Join Date: Sep 2013 Location: Norway
Posts: 418
| Re: CVD front axle binding when turning
My set is not chattering, they just bind up way before the reach the maximum angle.
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08-10-2014, 01:26 AM | #5 |
Quarry Creeper Join Date: Sep 2013 Location: Norway
Posts: 418
| Re: CVD front axle binding when turning
Perhaps new Axial front CVD's. They're fairly cheap, at least compared to VP's. Are they any good? This car will be running regular brushed motors, no speed or power monster.
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08-10-2014, 10:54 AM | #6 |
Moderator Rule Breaker Join Date: Feb 2004 Location: Austin, Tx
Posts: 5,970
| Re: CVD front axle binding when turning
Post up some pics. I would pull the cvds and rotate them by hand to see they binding still.Sounds like they need to be cleaned up and maybe polished. |
08-10-2014, 12:17 PM | #7 |
I wanna be Dave Join Date: Sep 2006 Location: Anchorage, Alaska
Posts: 3,099
| Re: CVD front axle binding when turning
I utilize the Axial universals... and tho' they don't bind to the point of stopping the chassis when driven/turning They definitely still have some bind friction when the steering is at full lock. enough so... that it is noticeable when rolling slow/turning as I will need increase the throttle some when that bind friction occurs. not really a big deal to me just something I need compensate for. probably not the case... but be sure the Chubs/knuckles were installed on the proper sides of the axle. If they were installed incorrectly... then the Chub/knuckle axis may not be pivoting properly. I've never used the HR Chubs/knuckles... so I've no clue as to their install. My Axial universals have survived over a years abuse... so I'll assume that the slight amount of friction bind while turning is of little concern. |
08-11-2014, 03:49 AM | #8 | |
Quarry Creeper Join Date: Sep 2013 Location: Norway
Posts: 418
| Re: CVD front axle binding when turning Quote:
I will be buying Axial universals/cvd and try them out. | |
08-19-2014, 07:46 AM | #9 |
Quarry Creeper Join Date: Sep 2013 Location: Norway
Posts: 418
| Re: CVD front axle binding when turning
With Axial shafts everything run smooth. I believe the poor set I've got is Integy or RC4WD.
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08-19-2014, 01:44 PM | #10 |
Rock Stacker Join Date: Mar 2014 Location: HK
Posts: 57
| Re: CVD front axle binding when turning
I got the HR high steer knukles and the Axial CVDs, they do chatter but not binding on normal flat surface, only some extreme terrain
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