Soze goes 6 wheeling with the Axial UMG10 6x6

[soze]

Ever since Axial announced the UMG10 6x6 last year, I've been intrigued with it. With the recent Horizon Hobby 15% Coupon for certain Axial rigs throughout July, I knew I couldn't pass up the opportunity. You rarely get coupons for Axial rigs, and when I saw that the UMG10 6x6 was eligible, I just had to do it!

Despite knowing that it has some flaws out of the box, I think they're all correctable and will make for a fun project.

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Most links are to eBay. As an eBay Partner, I may be compensated if you make a purchase.


Kit:

Axial SCX10II UMG10 6x6 RTR - https://ebay.to/3dddRQC (eBay)


Parts:

REVolutionX Rear chassis brace for UMG10 6x6 - https://www.thingiverse.com/thing:4589200
REVolutionX Windshield Wiper Washers - https://www.thingiverse.com/thing:4690032
REVolutionX Snorkel Brace - https://www.thingiverse.com/thing:4690030
REVolutionX Bed Braces and Washers - https://www.thingiverse.com/thing:4690029
Team Raffee Drive Shaft 85-114MM - https://bit.ly/2E0saJg
Team Raffee Drive Shaft 110-138MM - https://bit.ly/2Rsic6w
Team Raffee Drive Shaft 110-138MM - https://bit.ly/2FDN8Os
Pro-Line 1.9 BFG Krawlers G8 Compound - https://ebay.to/3pe9qrt
Crawler Innovations Deuces Wild CWR-3008 - https://ebay.to/2Z6lBfj
D1RC 1.9" Beadlock wheels - https://ebay.to/2No6ye3
SSD RC Brass Knuckles for SCX10II - https://ebay.to/3a9eZTz (eBay)
Boom Racing Overdrive Gears for SCX10II - https://ebay.to/3tT66VU (eBay) | https://bit.ly/2XfUrld (Asiatees)


Electronics:

Hobbywing Quicrun 1080 ESC - https://ebay.to/2Z8RiVm
Turnigy GT5 Radio - https://ebay.to/2Z7FSRx
Turnigy FS-BS6 Receiver - https://ebay.to/3tS1C1O
Armory RC Katana 500 Servo -


Tools/Supplies:

Versachem Brake Caliper Grease - https://ebay.to/3p8bIZ7
Noleen SF3 Grease (available on eBay) - https://ebay.to/3jN9vB9
Permatex Anti Seize Lubricant (ebay) - https://ebay.to/3qpTbsN
Associated 1656 FT 1/4 in Driver Handle - https://ebay.to/3d31t5O
Tamiya Side Cutter - https://ebay.to/371SAWb
DEWALT DCF610S2R 12V MAX Cordless Lithium-Ion 1/4 in. Hex Chuck Screwdriver Kit - https://ebay.to/3tQqXcr
MIP Metric Speed Tip Set MIP9512 - https://ebay.to/3qdBMTU
Bob Smith Industries Blue Thread Locker - https://ebay.to/3jDR8i9
ProTek RC Shock Pliers (available on eBay) - https://ebay.to/372Lscs
Duratrax Shock stand - https://ebay.to/2MOyJ6l
Hakko FX-888D Soldering Station - https://ebay.to/3aXFmLj
Multistar Rubber R/C Work mat - https://bit.ly/2T3F4Zo
IWISS Crimping Tool - https://ebay.to/3jGKZll
Universal Servo Cable Wire Connector Crimp Pin Kit - https://ebay.to/3tSAAaW
E6000 Adhesive - https://ebay.to/2MZwtZV

 

[soze]

Here's a quick look at what comes in the package.



It's nice that Axial still gives you some extras in this particular rig. They've sort of stopped doing it for the newer rigs.

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Basic RTR controller...

I really love this body... Gray wheels make it look wimpy though... we'll have to do something about that.

A look underneath... very familiar stuff...

 

[soze]

Out of the box the UMG10 6x6 has some flaws. One of the flaws is having quite a bit of chassis flex in the rear due to the chassis being a repurposed SCX10II chassis with chassis rail extensions. I've designed a 3D printed chassis brace to stiffen up that rear end.


The 3 minimal braces bracing that rear end together.

Here's my 3D printed brace. It's in 2 pieces for 2 reasons.

1. My printer bed isn't big enough
2. The separated part might need to be removed if I go the divorced axle route to replace that front part with a transfer case.

Given that, the STL file is provided as a single piece, so leave it as one piece if you desire to do so.

*Note: The pictures below are of an older version with the piece separated at the rear. I know have a print with the smaller piece in the front in case I want to replace with a transfer case.

<iframe width="560" height="315" src="https://www.youtube.com/embed/NRWCga7zbw0" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

 

[soze]

Out of the box the UMG10 6x6 has some flaws. One of the flaws is the rear-most drive shaft used between the 2 rear axles.

It's got binding when the axles are parallel to each other, and the drive shaft insert falls out when the rear most axle is compressed to the max. I explore remedying this issue with mixed results due to the parts I used, but the general idea works.


This is the part where the 2 rear axles experience binding in the suspension travel. When the 2 rear axles are directly parallel with each other the driveshaft is fully compressed at a length that is too long for it to cycle smoothly.

The other issue is that when the last axle is fully compressed, the driveshaft insert isn't long enough and falls out.

They can deny this issue all they want, but it's an issue and it's a flaw. Luckily it's easily fixable.


One way to solve this issue is to use driveshafts that utilize only 2 pieces rather than 3 (2 capturing ends with an insert).

I bought some Team Raffee Driveshafts that were the perfect lengths that I needed.

Team Raffee Drive Shaft 85-114MM
Team Raffee Drive Shaft 110-138MM
Team Raffee Drive Shaft 110-138MM
12mm Jump Rings (eBay)
1/2-1/4in Heat Shrink (eBay)

Alternative driveshafts:
Junfac 6x6 Driveshafts (eBay)

Unfortunately.... I neglected to notice that they use o-rings as pin retainers rather than the usual spring retainer..... SMH....Ugh I should've just waited for the Junfac 6x6 Universals to be in stock!

So... to try and salvage the situation, I bought some jump rings and shrink tubing.

I also did end up having to put E6000 on the shrink tube to driveshaft so that the shrink tubing wouldn't slide off.

Another issue with these is that the CVD cup is too large and hits the transmission cover. So I have to run with it off for now.

Given those annoyances, these driveshafts did exactly what I needed them to do.... reduce binding, and not fall out.

For now, I'll stick with these driveshafts. I would get the Junfac set, but I don't know if I'm going to stick with the pass through rear axle setup yet. If I go with a divorced rear axle, getting these driveshafts are a moot point, and I need to figure out new lengths needed to achieve the divorced axle setup.

There have been reports of "clicking" in the middle axle that could be caused by the pass through setup's gear mesh. Divorcing the rear axles would effectively get rid of that issue. I myself haven't run into the issue yet, but if I do come across it, I'll try shimming first.

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[soze]

One of my favorite parts of building any rig are adding a nice set of wheels, tires and foams.
They can satisfyingly complete a build in the looks or performance, or even both!
Here I'm going with my go to Pro-Line BFG Krawlers in G8 Compound and some new wheels that fit the build.
This combo really gives my UMG10 6x6 that utilitarian but brutish beast look that I want.


I decided to go with this set of D1RC wheels (eBay).

These wheels also already come vented, so I can I don't need to mess with the tire.

I've also been noticing lately with buying so many tires and foams that I've got a lot of leftover stock Pro-Line foam. I decided to try something to be less wasteful.

I re-used the stock pro-line foam and cut out the required diameter for the Crawler Innovations Lil Nova CWR-3008 Deuces Wild single stage foams (eBay) as the inserts.

Also going with my favorite tires... Pro-Line BFG Krawlers in G8 Compound (eBay)

I think the wheel and tire combo looks perfect for this rig.

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[savageasflux]

Those wheels look awesome!!! I've been thinking of ordering 8x of them for my 6x6, just haven't been able to make up my mind if I want silver or black, but the black looks real good. Keep up the good work. "thumbsup"

 

[soze]

This was my first time taking out the UMG10 6x6, and at CDM nonetheless. I gotta say it was a blast out there. It did a lot better than I thought, and I can see some things I can change before I bring it out again. It was definitely really fun to run out there and a nice change from my other rigs too!

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[Topher Builds]

Those wheels look much much better. Nice work on the changes you’ve made so far. Looking forward to seeing what else you have in store.

Homemade foams looking good

 

[OSRC]

x3 on the wheels, love them. Nice, clean and simple. Look great on the truck.

 

[soze]

Those wheels look much much better. Nice work on the changes you’ve made so far. Looking forward to seeing what else you have in store.

Homemade foams looking good

x3 on the wheels, love them. Nice, clean and simple. Look great on the truck.

Thanks guys! It was a struggle to find the right wheels that I felt looked good with the UMG body. I had bought some stamped wheels, but they ended up not being able to mount onto the Krawlers, so I happened to find these. Turned out to be a blessing, because these wheels are absolutely perfect for the look I was going for!

As you can tell, I'm just getting my backlogged content, but I'm not done yet. I just 3D printed some things for the body to take care of some issues I had with it that I'll post when I get to it.

 

[Dakillswitch]

Any updates ?

 

[soze]

Any updates ?

Yes, I'm a bit behind once again! I'll update soon.

 

[Dakillswitch]

Yes, I'm a bit behind once again! I'll update soon.

Thanks "thumbsup"

 

[soze]

Had the chance to take the UMG10 6x6 back out to the beach for a run. Kind of forgot how to drive it since the last time I took it out, but I remembered how much I enjoyed driving it right away. This is just one very fun rig. I plan to run this rig more often when I can!

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[soze]

With the Axial UMG10 6x6 being a very long wheelbase due to it's 6x6 nature, it's a foregone conclusion that the turning radius will suffer a bit. One way to remedy that as well as help the UMG10 6x6 on its climbs is to add overdrive to the front axle. In this video I'll be adding 10% overdrive to the front axle with Boom Racing's overdrive gears made for the SCX10II.

 

[soze]

Took the UMG10 6x6 to the beach again after installing the overdrive gears. Unfortunately, I was having a good time and chatting it up with the other guys... so I forgot to take videos of some really nice hard lines that this beast slayed. Thankfully I was get enough footage for this video for you guys to watch.

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[soze]

I've been wanting to take the UMG10 6x6 to one of my local trails for a while now, and I finally got a chance. It's the first time I've taken the 6x6 to this trail, and I kind of had to re-learn all the usual lines I take with the 4x4s. I'm definitely going to have to bring it back to this place. Unfortunately, the stock Axial 35T brushed motor that I'm running in it finally gave up its ghost and started smoking when I was attempting a line at the end of the day.

I don't know what it is, but this trail has been burning up motors for some others as well. Maybe it's those rattlesnakes getting angry at all these R/C crawlers crawling all over their hill! LOL.

BigSungHobbies also had a chance to come down from SoCal and crawl with us. I have a little bit of him crawling a line at the end, but I'm sure he'll have his video out sooner or later. Check out his channel!





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[distinctive pd]

Looks fun "thumbsup"