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06-24-2009, 07:52 AM
| #81 | |
| I wanna be Dave Join Date: Sep 2005 Location: Houston, TX
Posts: 16,952
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06-24-2009, 04:59 PM
| #82 |
| Newbie Join Date: Jun 2009 Location: Sydney
Posts: 14
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Even if they can provide replacement shaft/cup units that we can swap out for the original ones, that would be a good solution. I'd be happy to pay a couple of bucks for each replacement shaft to get it sorted. I keep forgetting to check how well my dogbone i engaging in the cup at full lock, but I'll try to remember to check tonight. I'm assuming it will be the same as the one pictured here. |
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06-24-2009, 09:56 PM
| #83 |
| I wanna be Dave Join Date: Oct 2007 Location: Houston
Posts: 3,761
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I am going to try turning down a set of axial stubs to 4mm like Kamikaze did with his CVD's. Then the other end, the "stub" of the portal, should be easy to replace if it snaps, you could either make one yourseld out of 5mm chromoly rod, or take some tranny spur shafts and cut them to fit. At least those are my ideas so far.  But honestly, one of our awesome vendors should be able to come up with the same idea but with much more precise execution. There are plenty of 5mm pinions to choose from to make one up. |
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06-24-2009, 10:16 PM
| #84 |
| Quarry Creeper Join Date: Sep 2007 Location: Central Coast, NSW, Australia
Posts: 277
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By the looks of it, a Wheely King stub axle will work perfectly. I've got some ready to mod, just need the time to do so.
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06-24-2009, 10:56 PM
| #85 | |
| I wanna be Dave Join Date: Oct 2005 Location: Columbia TN
Posts: 6,154
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I measured the axial ones and the hole for the cross pin is where the hole for the cross pin in the gear needs to go, so axials wont work. I never said I used axial cvd's............  | |
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06-24-2009, 11:18 PM
| #86 |
| Newbie Join Date: Apr 2008 Location: New Zealand hastings
Posts: 13
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Sounds like they did not do enough testing before selling this set up, would be just some thing else to break on comp day  |
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06-24-2009, 11:25 PM
| #87 | |||
| I wanna be Dave Join Date: Oct 2007 Location: Houston
Posts: 3,761
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So why is the hole being in the same place an issue? I know the hole in for the hex's cross pin is larger in diameter but the other pin should still hold alright? I guess I can test it and find out the hard way. Quote:
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06-25-2009, 08:09 AM
| #88 | |
| I wanna be Dave Join Date: Oct 2005 Location: Columbia TN
Posts: 6,154
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06-27-2009, 11:45 AM
| #89 | |
| Newbie Join Date: Jul 2008 Location: Malaysia
Posts: 10
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 Fixed it today with a Steel version of this:  A rear wheel axle from a Tamiya M03 M-Chassis car. Make sure you get the steel version, and not the aluminum one in the picture. The shaft is 5mm diameter, so just grind down the flange to 5mm, then use your broken stub as a jig to drill the rear 2mm hole for the gear cross pin. The shaft is the exact same length after grinding down the flange. Makes for a quick fix. Steve. KL, Malaysia Last edited by volvoc304; 06-27-2009 at 12:23 PM. | |
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07-01-2009, 10:43 PM
| #90 | |
| I wanna be Dave Join Date: Oct 2007 Location: Houston
Posts: 3,761
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07-12-2009, 06:05 PM
| #91 |
| Newbie Join Date: Jun 2009 Location: Sydney
Posts: 14
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I believe I've fixed the problem with the dogbone disengaging from the cup. I ground a little over 1mm off the inside of the alloy C, then filed a little off the end of the diff housing. This results in the C pushing further onto the diff, meaning the input cup on the portal is now closer to the end of the axle and engages further. I had to take one of the o-rings out, so it only runs 2 now. Just be careful you don't file too much off your diff end, as the wheel bearing still needs to fit in the end there. |
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07-12-2009, 09:53 PM
| #92 | |
| RCC Addict Join Date: Jul 2008 Location: San Diego
Posts: 1,144
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07-12-2009, 10:10 PM
| #93 |
| Newbie Join Date: Jun 2009 Location: Sydney
Posts: 14
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I only did one diff and didn't take pictures.. I'll do the other diff some time this week and get some photos of it.
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07-13-2009, 08:54 AM
| #94 |
| Newbie Join Date: Jul 2008 Location: Malaysia
Posts: 10
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Guess what broke this time :-x:  The gear broke in half right across the indents for the cross pin. Any other part, and I could have made a replacement, but this?!!! Where the heck am I gonna get this gear? Oh yeah... 3 Racing... right  I'll email them with the pic. I'll let you guys know if they reply. UPDATE 1: I emailed and attached the above pic to them after midnight and they promptly replied at 11am today. They attached a pic of the part ( 10T Module 0.8 Gear ) and asked me to confirm that it is the broken part. I replied affirmative, and asked how I could get 2 pieces; one for immediate replacement and one as a spare. UPDATE 2: I got a reply from 3Racing on the 16th of July: Dear Steven, The part no. of gear #CR01-26/RG .The parts are coming soon. Please keep our website to get the news. At least we know that there will be parts available! UPDATE 3 : 29-July-2009 Dear Steven, We would like to inform you that #CR01-26/RG are instock now. Last edited by volvoc304; 07-30-2009 at 06:16 AM. |
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08-04-2009, 06:40 AM
| #95 |
| Newbie Join Date: May 2009 Location: Australia, Townsville
Posts: 29
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Mine are still going strong. I havent had any problems at all. But its good to know I can get spares if needed. |
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08-31-2009, 02:29 AM
| #96 |
| Newbie Join Date: Jun 2009 Location: Sydney
Posts: 14
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has anyone managed to buy replacement cups that are deeper yet? despite moving mine in a couple of mm the dogbone managed to disengage enough to damage the thread on the diff that the inner C screws to. I've ordered an alloy diff housing to replace it, but I'm sure the dogbone will just tear the cup apart once the C doesn't move. |
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10-18-2009, 04:30 PM
| #97 |
| RCC Addict Join Date: Jul 2008 Location: San Diego
Posts: 1,144
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So how are these holding up? Anyone else breaking the gears inside? Have they fixed the cup problem?
Last edited by SDheavymetal; 11-21-2009 at 12:55 AM. |
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10-18-2009, 05:37 PM
| #98 |
| Rock Crawler Join Date: Jan 2007 Location: Viroqua
Posts: 940
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I may have to get that for my current project. 2.2 pimcane clod with quicksand mini kit. It should awesome.
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10-18-2009, 06:04 PM
| #99 | |
| Rock Crawler Join Date: Mar 2009 Location: Victoria BC
Posts: 988
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errr look about 3 posts up from your comment | |
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10-29-2009, 08:52 PM
| #100 | |
| RCC Addict Join Date: Jul 2008 Location: San Diego
Posts: 1,144
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Linear Mode
