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08-24-2018, 11:27 PM
| #1 |
| Newbie Join Date: Apr 2018 Location: Chattanooga
Posts: 11
|  Breaking Hex Pins
Every other time out I am breaking Hex pins on my Vanquish VXD's. Anyone having a similar issue? Ideas on what I can use? I have ordered new hubs as the have some notching.
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08-24-2018, 11:34 PM
| #2 |
| I wanna be Dave Join Date: Jul 2014 Location: Deep South
Posts: 3,444
| Re: Breaking Hex Pins
Are the axle’s holes a lot bigger than the pins you’re using? It could just be hammering them each time you stop and go hard.
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08-25-2018, 01:42 AM
| #3 |
| I wanna be Dave Join Date: Jun 2016 Location: Austin
Posts: 6,010
| Re: Breaking Hex Pins
There are those who have used cut-down drill bits... find something the same diameter that's hardened steel and cut to proper length? IIRC, someone was using piano wire. The Vanquish site states that they use std. Axial pins: *** You will need to provide a hex cross pin for use with these axles (Axial Part AX30163) But I've broken those just using stock Axial Universals and a 1800kv Revolver... (OK, it WAS on 4S...)  Last edited by durok; 08-25-2018 at 01:45 AM. |
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08-25-2018, 02:16 AM
| #4 |
| I wanna be Dave Join Date: Jul 2014 Location: Deep South
Posts: 3,444
| Re: Breaking Hex Pins
Could be the hex is worn and causing the issue, too.
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08-25-2018, 12:53 PM
| #5 |
| I wanna be Dave  Join Date: Oct 2012 Location: Medina
Posts: 2,263
| Re: Breaking Hex Pins
Is it possible you're over tightening the axle nut and placing excess strain on the hex pin? I'm typically ham fisted and have a tendency to overtighten things. I've noticed I've actually bent some hex pins a bit by doing this, which would/will cause eventual failure/breakage. I've since moved to utilizing small lock washers to help keep the axle nut snug versus over tightening them.
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08-26-2018, 11:21 PM
| #6 |
| RCC Addict Join Date: May 2013 Location: Forrestfield, Western Australia
Posts: 1,082
| Re: Breaking Hex Pins
Get some 5mm ID shims & put under the pin between it & the bearing so that once the wheel nut is tight there's just a whisker of in/out float on the stub axle. My guess is currently your tightening the hex against the pin & theres clearance between the hex & the bearing, this allows big hits on the wheel to beat the hex on the pin & will break the pin. With the shims in there the hex rides on the shim which in turn rides on the bearing, taking the force off the hex pin. Last edited by altd896; 08-28-2018 at 12:01 AM. |
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08-27-2018, 07:13 AM
| #7 |
| Quarry Creeper Join Date: Nov 2015 Location: US
Posts: 456
| Re: Breaking Hex Pins
Make sure wheels are tight after runs maybe stop and check on longer runs.
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08-27-2018, 11:47 AM
| #8 |
| Quarry Creeper Join Date: Apr 2009 Location: Long Beach
Posts: 296
| Re: Breaking Hex Pins
I have been working on my rig and dropped that  pin into the black hole we call the garage floor then i cut a drill bit or piano wire or anything that will fit snug.. Then weeks later when not looking for it there it is right in front of me....hate it when that happens   |
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