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-   -   Project: "U4C3" (Ultra4/C3 Truck)... (http://www.rccrawler.com/forum/2-2-scale-rigs/511787-project-u4c3-ultra4-c3-truck.html)

justinart24 10-13-2014 10:28 AM

Project: "U4C3" (U4RC/C3 Truck)...
 
http://i80.photobucket.com/albums/j1...ps8fef5d72.png

I have been wanting to build a full tube chassis rig for a lot time but never had the guts....so here goes nothing!!!

  • Axial Wraith Axles
    • Vanquish Products XR10 Knuckles.
    • Vanquish Products XR10 C-Hubs.
    • Vanquish Products VVD Axial Wraith Version #1 4mm Stubs
    • Vanquish Products Lockers
    • Vanquish Products Rear Lockouts
  • Suspension
    • Vanquish Products 4-Link Mount (Front&Rear)
    • RC4WD The Ultimate Scale Shocks 110mm
    • Pro-Line PowerStroke Scaler Shocks (90mm-95mm)*For now, not 100% sure yet.
    • Rear Yeti trailing arms.
  • Drivetrain
    • MIP DriveShafts
    • Axial Trans with Alum case and all alum goodies.
    • 32p spur and pinon.
  • Electronics
    • Mamba Max Pro
    • Motor: TBD
    • Hitec 7950 Servo (Steering)
    • Winch: TBD
    • CCBEC
  • Chassis
    • Tube chassis
    • Wraith skid plate
  • Body
    • Aluminum sheeting with possible future skins
  • Wheels and Tires
    • Vanquish Products OMF 2.2 Scaler
    • 2.2 Pit Bull Rock Beasts.
    • Crawler Innovations Foams


justinart24 10-13-2014 10:28 AM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
For the tube design I am starting off by drawing it out on a big sheet of paper so I can lay out the design in a 1:1 scale. I could even use this paper to ensure I have bends correct and etc.

Specs:
-Wheelbase: 14" (Stock Yeti is 14.2" and my old Ford F350 was 13.5" so I am used to driving longer rigs if I end up driving this in Class Three)
-Main Cab length: It will be 5" for the main cab from the front of the door to the rear to follow SORRCA specs)


http://i80.photobucket.com/albums/j1...psa351829b.jpg

http://i80.photobucket.com/albums/j1...psc60b0bc9.jpg

Don't mind Amigo, he doesn't bite. :)
http://i80.photobucket.com/albums/j1...ps1149a364.jpg
http://i80.photobucket.com/albums/j1...pse85745b6.jpg

justinart24 10-13-2014 10:28 AM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
I had the day off so I did some building....lots of building...lol.


I got a bunch done on the chassis, I am happy with the rear tube work about not sure about the front tube work. I thought I could get away with my simple front shock mounts for this weekend but will be make some fancy one in the morning so the front end compresses down like the rear.

I usually sand all the weld down for pictures but I am in a rush so you get unsanded braze joints in the pics for now...lol.

http://i80.photobucket.com/albums/j1...ps6bfadba2.jpg
http://i80.photobucket.com/albums/j1...ps09da9d95.jpg
http://i80.photobucket.com/albums/j1...pse34fc5c2.jpg
http://i80.photobucket.com/albums/j1...ps9a0ca7d0.jpg
http://i80.photobucket.com/albums/j1...ps5bc5bc36.jpg

I will have the option to run a spare or not.
http://i80.photobucket.com/albums/j1...psffc488ea.jpg

Believe it or not but I got the rear compression geometry right the first time....the axle housing almost contact the tube work. I have a set of Proline slash shocks I might try to put in the rear for more travel...I assume the Proline SCX10 shocks will not be enough for big jumps or etc.
http://i80.photobucket.com/albums/j1...psc181ae80.jpg

I am running Axial hardened gears in the rear.
http://i80.photobucket.com/albums/j1...ps4bc11634.jpg

I had a Yeti receiver box and it happens to fit in the rear tube work so I put some Tabs to hold it in place.
http://i80.photobucket.com/albums/j1...ps46825d57.jpg

justinart24 10-13-2014 10:29 AM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
I got more done with the front end and made some shot hoops. I might make some taller hoops, just not enough squat for my taste.


http://i80.photobucket.com/albums/j1...psecfe767f.jpg
http://i80.photobucket.com/albums/j1...psc149f5e7.jpg

I got some tabs in for the front and top Maddog light bar. I ran out of tubing but I will be making a guard for the top light bar.
http://i80.photobucket.com/albums/j1...psd46f02da.jpg
http://i80.photobucket.com/albums/j1...psaac797ae.jpg
http://i80.photobucket.com/albums/j1...ps940f65c5.jpg

Uncompressed....:)
http://i80.photobucket.com/albums/j1...ps9da20cf7.jpg

...and compressed....lol....30lbs. :P
http://i80.photobucket.com/albums/j1...ps6828712f.jpg

zion23 10-13-2014 11:46 AM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
this thing was bad ass justin thank you for the u4 races event you guys put on a good show glad i was apart of it my wrexo will be alot more ready next time

dubAron 10-13-2014 07:20 PM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
Great looking rig can't wait to see what else you do with it. "thumbsup"

justinart24 10-14-2014 12:06 PM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
Quote:

Originally Posted by zion23 (Post 4918684)
this thing was bad ass justin thank you for the u4 races event you guys put on a good show glad i was apart of it my wrexo will be alot more ready next time

Thanks Kevin! No worries on the event, glad you had fun."thumbsup"
http://www.rccrawler.com/forum/u4rc/...ictures**.html
Quote:

Originally Posted by dubAron (Post 4919060)
Great looking rig can't wait to see what else you do with it. "thumbsup"

Wow, thanks sir! I got a lot of scale plans for this, cool little things like a nice dash, fuel door and etc.:mrgreen:

justinart24 11-01-2014 01:27 AM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
I got a bit more done this week,.....I did the light bar brace, interior front/roof/rear bracing and made up a servo winch location...plan is to have a blower covering the winch spool. I am not sure if I am going to run the Hilux drivers, I think when their arms are on they might bulge out a bit too much for my taste.
http://i80.photobucket.com/albums/j1...psbf8d6cff.jpg

gsrcivic 11-01-2014 05:56 AM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
Awesome build so far man im subscribed keep it up

justinart24 11-06-2014 11:14 AM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
Quote:

Originally Posted by gsrcivic (Post 4933512)
Awesome build so far man im subscribed keep it up

Thanks a lot sir!"thumbsup"

justinart24 11-06-2014 11:16 AM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
Here is a picture from last weekends WARCRC "second" U4RC race. I didn't get it running, there were still area where I needed to brace up tube work so it didn't get bent. It coming togethor though, I just have small thing to do, such as redo the rear shock mounts for the Slash 4x4 Proline shocks and bits of interior pieces, I will have more to post this week."thumbsup"
http://i80.photobucket.com/albums/j1...ps69dd1d8b.png

zion23 11-06-2014 11:35 AM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
bum i miss this one holiday season weekends are getting buisy for me between my wife going to the hawks game and stuff hahaha... hope to see this rig at the next races,,,

photocycler 02-14-2015 05:33 PM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
This build is great. What type of tubing did you use and what type of welding—torch or TIG?

Highmark 02-14-2015 08:22 PM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
Looks killer man! I was just thinking that i hadnt seen you build anything in awhile.

gunder463 02-14-2015 08:54 PM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
really nice rig,

KMK 02-14-2015 09:17 PM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
Still working on this?

Next race 2 weeks!

zion23 02-15-2015 12:49 PM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
Yes update justin ! Btw those wheels are frik in sweet

Bananaclip 02-16-2015 11:43 AM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
Yet another sick build sir. I like your work and this one falls miles short of disappointment. "thumbsup"

justinart24 02-27-2015 09:27 AM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
Quote:

Originally Posted by Highmark (Post 5146752)
Looks killer man! I was just thinking that i hadnt seen you build anything in awhile.

Thanks man! Yeah, I was building pretty heavy for a while there and took a break....hockey got in the way...lol.
Quote:

Originally Posted by gunder463 (Post 5146785)
really nice rig,

Thanks!"thumbsup"
Quote:

Originally Posted by KMK (Post 5146802)
Still working on this?
Next race 2 weeks!

Yup, still going...lol.
Quote:

Originally Posted by zion23 (Post 5147228)
Yes update justin ! Btw those wheels are frik in sweet

Thanks! I agree!
Quote:

Originally Posted by Bananaclip (Post 5148136)
Yet another sick build sir. I like your work and this one falls miles short of disappointment. "thumbsup"

Thanks Banana!!!:mrgreen:

justinart24 02-27-2015 09:28 AM

Re: Project: "U4C3" (Ultra4/C3 Truck)...
 
I got the brazing done...woohoo!! I wasn't sure how I was going to do the front fenders but adding some fab tabs and bars so I could mount panels in the fenders to keep mud out of the cab.

I also brazed in a Carter Fab "Fab Tab light bar”.
Carter Fab & Machine » Fab Tab “light bar”

http://i80.photobucket.com/albums/j1...ps54h3flsz.jpg

http://i80.photobucket.com/albums/j1...psz0mttpg4.jpg

http://i80.photobucket.com/albums/j1...pswlcrlpsi.jpg

http://i80.photobucket.com/albums/j1...psu8izclvu.jpg

I also added some grab bars to the pillars.
http://i80.photobucket.com/albums/j1...pstsoql6dp.jpg


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