04-04-2019, 08:32 PM | #1 |
Newbie Join Date: Jun 2018 Location: Akron
Posts: 10
| Custom 2.2 6x6
This is my custom 6x6 build I am using for my college capstone project. The build started a year ago, and the project isn't due till May 2020. But I figured it'd take a while so I've been chipping away at it. It started in SolidWorks and I designed the frame off of 3 AR60 axles. I went through 5 different frames before settling on one I liked. The 4th was actually better, but it required welding aluminum to make the frame all one solid piece. But since I can't weld aluminum, I made the design so I can make it with tools I have at home, a jigsaw and drill press. The idea started when I converted my SCX10 to 6x6 but I didn't like how the pass through axle in the middle didn't allow the two rear axles to move fully independently of each other. Also it was too small..... Parts I am using are mainly sourced from RC4WD. So far I have their aluminum links and rod ends. Wheels and tires will be here next week (only 4 for now). Next will be the AX2 2 speed transmission and another 1:1 transfer case (already have one) and of course I will get more punisher shafts. The shocks are Gmade 113mm shocks (only on the front now, I have random shocks on the rear till I get more of the Gmade shocks). I realize the drivetrain is somewhat busy, but it is what I came up with without raising the center of gravity to run a single straight axle back to the rear transfer case. The frame rails are made from 3/4" x 1/8" 6061 T6 aluminum and the interior pieces will be made from 1/8" 5052 H3 aluminum since they require bending. I am currently using some 3D printed parts since I have yet to mess around with the bending part. Finally for the electricals I will have Savox servos on all 3 axles (only 2 axles steer currently), two 2s lipos to make 4s, and the Mamba X 2280Kv combo. Not sure about the body yet, I was thinking the Proline F250 body, but I'm not exactly sure what I'd do for the rear... Any suggestions are welcome! Pictures *should* be attached, I've never posted pictures here so hopefully I'm doing it right. Sent from my moto x4 using Tapatalk |
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04-19-2019, 06:09 PM | #2 |
Quarry Creeper Join Date: Sep 2010 Location: appleton
Posts: 357
| Re: Custom 2.2 6x6
Nice work. Looks good. I need to get back to working on mine and get rid of the pass through Sent from my SM-N950U using Tapatalk |
04-19-2019, 09:17 PM | #3 | |
Newbie Join Date: Jun 2018 Location: Akron
Posts: 10
| Re: Custom 2.2 6x6 Quote:
Small update: Got a couple sets of RC4WD Mickey Thompson wheels and tires. It seemed fitting since I work for Mickey Thompson. Also a pic of it sitting next to my extended wheel base SCX10. Last edited by BM97; 04-19-2019 at 09:21 PM. | |
04-20-2019, 06:26 PM | #4 |
I wanna be Dave Join Date: Feb 2013 Location: NW Indiana
Posts: 3,196
| Re: Custom 2.2 6x6
that drive line seems way over complicated...I imagine there will be issues with the middle axle wanting to lift under load... but interested to see a video of it working unloaded and loaded.. the transfer cases you are using, are they 1:1? because if they arent, your center diff is being driven at a different speed than the front and rear if I am seeing it correctly |
04-20-2019, 06:36 PM | #5 |
Quarry Creeper Join Date: Sep 2010 Location: appleton
Posts: 357
| Re: Custom 2.2 6x6
My center axle lifts under load all the time. I have a simple pass through. I was hoping non-passthrough was the solution Sent from my SM-N950U using Tapatalk |
04-20-2019, 06:38 PM | #6 |
I wanna be Dave Join Date: Feb 2013 Location: NW Indiana
Posts: 3,196
| Re: Custom 2.2 6x6
mine does not lift. its in the way you set up the links...mine is a pass thru
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04-20-2019, 06:40 PM | #7 |
Quarry Creeper Join Date: Sep 2010 Location: appleton
Posts: 357
| Re: Custom 2.2 6x6
Mine are completely independent of each other Sent from my SM-N950U using Tapatalk |
04-20-2019, 06:46 PM | #8 |
I wanna be Dave Join Date: Feb 2013 Location: NW Indiana
Posts: 3,196
| Re: Custom 2.2 6x6
you have seen how I have mine, when I was done with the links the middle wanted to lift slightly on the left but I found out that used shock I had installed had no oil left...once I rebuilt the shocks and put in a decent oil..(30wt I think) the lift was gone and now there is no middle axle lift going on.
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04-20-2019, 06:49 PM | #9 |
I wanna be Dave Join Date: Feb 2013 Location: NW Indiana
Posts: 3,196
| Re: Custom 2.2 6x6 |
04-20-2019, 07:28 PM | #10 | |
Newbie Join Date: Jun 2018 Location: Akron
Posts: 10
| Re: Custom 2.2 6x6 Quote:
Sent from my moto x4 using Tapatalk | |
04-20-2019, 07:32 PM | #11 | |
Newbie Join Date: Jun 2018 Location: Akron
Posts: 10
| Re: Custom 2.2 6x6 Quote:
Sent from my moto x4 using Tapatalk | |
04-20-2019, 07:47 PM | #12 | |
I wanna be Dave Join Date: Feb 2013 Location: NW Indiana
Posts: 3,196
| Re: Custom 2.2 6x6 Quote:
mine doesn't do that, I have a pretty good amount of travel, the drive shaft is a slip shaft and when the middle goes up the drive shaft gets longer without pulling the rear up with it. I had a time getting the length right so as not to have the shaft pull apart or bind, but I did get it solved and now its a beast, goes anywhere and the rear axles do seem to move independently with no issues. I am wanting to replicate a walking ladder suspension on my newest 6X6 using the AR60 axles with a pass thru. I am currently mocking it up. you can see in this pic, the middle is fully compressed and the rear is fully dropped down... Last edited by allanon1965; 04-20-2019 at 07:52 PM. | |
04-20-2019, 08:18 PM | #13 | |
Newbie Join Date: Jun 2018 Location: Akron
Posts: 10
| Re: Custom 2.2 6x6 Quote:
Sent from my moto x4 using Tapatalk | |
04-20-2019, 08:28 PM | #14 |
I wanna be Dave Join Date: Feb 2013 Location: NW Indiana
Posts: 3,196
| Re: Custom 2.2 6x6
I used JunFac shafts on mine, they make some pretty long shafts.. they have held up to the roc 412 3100kv brushless on 3s for more than a year now so I am sold on them. They also have a greater working angle than MIP shafts do.
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04-20-2019, 08:35 PM | #15 | |
Newbie Join Date: Jun 2018 Location: Akron
Posts: 10
| Re: Custom 2.2 6x6 Quote:
Sent from my moto x4 using Tapatalk | |
04-20-2019, 08:36 PM | #16 |
Quarry Creeper Join Date: Sep 2010 Location: appleton
Posts: 357
| Re: Custom 2.2 6x6
I run axial ends with metal balls. Seem to last much longer. Then when it does start to get loose, I just replace the cheap plastic end. Sent from my SM-N950U using Tapatalk |
04-21-2019, 08:04 AM | #17 |
Pebble Pounder Join Date: Jan 2019 Location: Douglas, MA
Posts: 104
| Re: Custom 2.2 6x6
I just have one question... is that a cassette player?
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04-21-2019, 08:32 AM | #18 |
Newbie Join Date: Jun 2018 Location: Akron
Posts: 10
| Re: Custom 2.2 6x6 |
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