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Old 03-17-2014, 10:07 PM   #1
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Default Harley's Wraith Moonbuggy


I have been wanting to build a moonbuggy for awhile, literally years actually. Recently Tedo started a cone dodger (1:1 comp rig) build thread and it got me thinking more on the subject. I recently got a new TIG and I've been ITCHING for something to build. I have plenty of projects that need to get done of course but sometimes I just want to work on something new

Last year I competed in WERock Grand Nationals in the Stock Mod class. One of the unlimited teams out there was Justin Hall with Team Rock Hard. I talked with Justin and shot some video at the event. Their car was originally the Campbell moonbuggy that ran many of the XRRA events back in the day. Seemed like a great car to model a build after!






Pretty insane little climb, I'm sure the pucker factor would be QUITE high.


Last edited by Harley; 03-17-2014 at 10:09 PM.
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Old 03-17-2014, 10:08 PM   #2
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Default Re: Harley's Wraith Moonbuggy

Videos:

Video 1 - Introduction

Last edited by Harley; 03-19-2014 at 08:58 AM.
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Old 03-17-2014, 10:08 PM   #3
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Default Re: Harley's Wraith Moonbuggy

Current Setup:

Last edited by Harley; 03-19-2014 at 10:39 AM.
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Old 03-17-2014, 10:08 PM   #4
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Default Re: Harley's Wraith Moonbuggy

The new TIG is the Razorweld 160P. It's a high frequency start machine that also has the pulse function. I've only got a few chances to weld with the machine so far and absolutely love it.





Really looking forward to building a full chassis with this machine.
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Old 03-17-2014, 10:15 PM   #5
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Default Re: Harley's Wraith Moonbuggy

I called Justin and asked him to shoot some pictures for me. It was nice to work right with him to make sure the details of the chassis were right.

I started as I normally do lately, with a CAD design. I scaled the chassis off the Wraith wheelbase and skid plate. I did have to stretch the center section a little to cover the skid adequately. After that, the chassis came out to be right at 1:7 scale.

It took 3 shots before I was happy with the design and Justin was finished telling me details I had missed The top design is the final model. Although it will still require some additional bracing as well as panhard mounts and such.

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Old 03-17-2014, 10:24 PM   #6
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Default Re: Harley's Wraith Moonbuggy

Justin is a cool kid. Look forward to this build. Glad to be involved with him as one of his sponsors. And I just got a set of 38.5 Falken stickies today.
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Old 03-17-2014, 10:24 PM   #7
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Default Re: Harley's Wraith Moonbuggy

From the CAD model, I remove each tube and create easy to follow templates. These allow me to cut the tubes to the right length, bend them to exactly how I had them drawn, and match the angles when constructing. It's almost cheating!





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Old 03-17-2014, 10:36 PM   #8
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Default Re: Harley's Wraith Moonbuggy

Quote:
Originally Posted by Awesome! View Post
Justin is a cool kid. Look forward to this build. Glad to be involved with him as one of his sponsors. And I just got a set of 38.5 Falken stickies today.
Very cool! It's always interesting to see the guys involved in the full size world over here playing with toys. It was nice to meet Justin and his family.

So what are your stickies going on? I've seen them on Justin's and Matt Messer's rigs so far. Looks like they worked well for Justin at the first event.
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Old 03-17-2014, 11:00 PM   #9
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Default Re: Harley's Wraith Moonbuggy

Very cool. Thats a nice buggy.

The fun part is trying to hide a axial trans and electronics in one with a 3D interior.
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Old 03-18-2014, 06:48 AM   #10
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Default Re: Harley's Wraith Moonbuggy

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Originally Posted by joeyf View Post
Very cool. Thats a nice buggy.

The fun part is trying to hide a axial trans and electronics in one with a 3D interior.
This is a big chassis so I should have a decent advantage but I agree it will still be a challenge!
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Old 03-18-2014, 07:14 AM   #11
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Default Re: Harley's Wraith Moonbuggy

Sa weeet!

I just sold cone dodger to BigBaller, because my heart is to make an 4WS Unlimited rig instead of the Promod. I have my Elmo buggy, but it's more of an XRRA short Course racer by design.

Are you doing CMS? on this?

Will you be providing the pdf of the schematics like previous builds?

I am really torn between the old school cool of the campbell buggies, and Jesse Haines's Unlimited.

Very cool!
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Old 03-18-2014, 07:21 AM   #12
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So you did get something done this weekend...
Clock is ticking....
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Old 03-18-2014, 08:22 AM   #13
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Default Re: Harley's Wraith Moonbuggy

Quote:
Originally Posted by tedo View Post
Sa weeet!

I just sold cone dodger to BigBaller, because my heart is to make an 4WS Unlimited rig instead of the Promod. I have my Elmo buggy, but it's more of an XRRA short Course racer by design.

Are you doing CMS? on this?

Will you be providing the pdf of the schematics like previous builds?

I am really torn between the old school cool of the campbell buggies, and Jesse Haines's Unlimited.

Very cool!
I will be running an axle mounted servo but hope to keep it super low and possibly incorporate a couple of ideas I've been wanting to try.

PDF template is hosted on my site now. It is labeled as a DRAFT until I actually build one and test that it works.

Link to the templates:
Unlimited Moonbuggy | Harley Designs

I've always been obsessed with the Campbell buggies. I think the first offset one was actually called Tiny (not a campbell) but I know them mostly from the CE crew. Jesse's old unlimited has a cool style too, but I have to have to build one of these, just have to do it.
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Old 03-18-2014, 08:23 AM   #14
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Default Re: Harley's Wraith Moonbuggy

Quote:
Originally Posted by doublej View Post
So you did get something done this weekend...
Clock is ticking....
Still running the Mattzilla for the TTC, unless somehow a miracle happens and I get this done and those guys OK it for use.
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Old 03-18-2014, 08:54 AM   #15
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Default Re: Harley's Wraith Moonbuggy

Cant wait to see this take shape! If you need any other info Josh. Let me know!
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Old 03-18-2014, 10:02 AM   #16
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Talking Re: Harley's Wraith Moonbuggy

Quote:
Originally Posted by Harley View Post
Very cool! It's always interesting to see the guys involved in the full size world over here playing with toys. It was nice to meet Justin and his family.

So what are your stickies going on? I've seen them on Justin's and Matt Messer's rigs so far. Looks like they worked well for Justin at the first event.
Almost any event I go to guys are playing with these after wrenching on their 1:1.

They are going on my 2013 JKU.

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Old 03-19-2014, 10:48 AM   #17
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Default Re: Harley's Wraith Moonbuggy

Started to throw some rod at the project. Local supplier only had 1/4" chromoly tubing so I went in the direction of availability and used my standard 3/16" cold rolled.

I thought since this thing being all kinds of out of square it would be much easier to fabricate. WRONG. Making the roof lines match up while being so drastically different from one side to the next was a HUGE pain in the ass. I ended up scrapping the entire first attempt at the chassis.

After the second shot, this is where I'm at. Pretty happy with the current status of the chassis and it matches the templates very closely.


There is also a video link in the 2nd post.

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Old 03-19-2014, 11:22 AM   #18
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Default Re: Harley's Wraith Moonbuggy

Here's a few more angle around the top half.








Quick relative size check.
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Old 03-19-2014, 04:53 PM   #19
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Default Re: Harley's Wraith Moonbuggy

I bet this will come out looking smaller then a Wraith. By the looks of it (in your vid), it may be the same width, but it is shorter (which will make the wheel base shorter), and I bet the cage will be lower, giving it that low-slung comp stance. Run droop, and there ya go!

Also, you should do the battery tray behind the cab with a "2-D" motor cover (like you again mentioned in the vid). This what I did with my 2.2 comp buggy:
.

Works pretty good at concealing.

I'm sure with that printer, you could make even a better battery tray cover...

Glad you are doing this man!
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Old 03-19-2014, 05:27 PM   #20
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Default Re: Harley's Wraith Moonbuggy

Quote:
Originally Posted by tedo View Post
I bet this will come out looking smaller then a Wraith. By the looks of it (in your vid), it may be the same width, but it is shorter (which will make the wheel base shorter), and I bet the cage will be lower, giving it that low-slung comp stance. Run droop, and there ya go!

Also, you should do the battery tray behind the cab with a "2-D" motor cover (like you again mentioned in the vid). This what I did with my 2.2 comp buggy:
.

Works pretty good at concealing.

I'm sure with that printer, you could make even a better battery tray cover...

Glad you are doing this man!
It is definitely considerably shorter. The height will be pretty close to the same though. I plan to run near full droop, I want to get a pair of the RC4WD shocks like you ran on that right it looks like. I think I have a pair but need another at the minimum.

I do plan to run the battery in the rear in the area of the motor cradle on the 1:1. Still lots of details to go and if I can get it built to a roller soon I can vet those things through quickly.
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