Bet you haven't seen this! 3wd c1

[avanord]

If you know me, you know that I love being different with my builds. One evening I was contemplating my next build and came across this picture. It was the only one I could find like it.

I immediately decided that I must build this truck. In case you didn't. Price it only has 3 wheels.

This will be a scratch build and I have just barely started. I plan to update this thread as I progress and build this crazy piece of machinery.

I spent months contemplating how to creat a singular rear drive wheel and I am pretty sure I have the concept down. Now it is simply to build it.

Here is my proof of concept rear wheel. It will be refined, but the plan is to run a belt drive system on each side of the wheel all built on a rear swing arm.




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[travis c.]

This ought to be interesting, looking forward to the finished product.

[mr.rick]

Interesting. It kind of has a Volkswagen front end on it. I am trying to imagine the stability of such a set up. Any kind of load in the bed would be a little sketchy at speed. Curious to see how it pans out and performs. Leaf sprung would be too sweet!

[travis c.]

It'll probably perform better than the Reliant Robin that Jeremy Clarkson tested on Top Gear(U.K.)..............Oh how I miss Clarkson's antics.

[avanord]

Well I am not sure it will. E real stable. That could definitely be an issue. However I am not too worried about it. I have a plan to help compensate a bit for it.

Mr. Rick I thought about leaves but I think that the wrap in the leaves would make it hard to keep tension on the dive system.



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[dirk379]

Oh but I have Microgoat anyone?

Stu's 3x3 Bug (and poetry challenge) VIDEO! LULZ! POETRY!

[avanord]

Originally Posted by dirk379

Oh but I have Microgoat anyone?



Stu's 3x3 Bug (and poetry challenge) VIDEO! LULZ! POETRY!

That is the only other 3wd build I have ever seen and this one is going to be completely different. But I bet most haven't seen that one. Haha.


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[avanord]

A new piece to the puzzle arrived yesterday. Haven't had any time to work with it yet, but now I am ready to actually begin building some parts.


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[2JSC]

It's a Roustabout Trivan... weird little things.

[avanord]

Originally Posted by 2JSC

It's a Roustabout Trivan... weird little things.

You sir just made my day. I had only been able to find the one pic and had no idea what it was other than I was going to build it.


Spent the evening in the cave building and designing. First time I have ever attempted any type of swing arm. Obviously it is just the rough start and the final arms will be a more scale design.

They are currently made of 1/4 in Delrin stock and being that o have access to limited tooling I think I will probably be making them from Delrin as it is easy to work with. I was able to make a nice bearing seat for the rear wheel to sit in.

A little more mock up of what I might do with this thing. There is going to be a great deal more work to be done as the revo diff is narrower than my rear wheel at the moment.

I plan to mount the diff at the top of the swing arm so that the entire belt drive remains in tact regardless of the suspension travel.


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[avanord]

It has been quite some time since I have posted in this build and that is because I am waiting on some parts to be made. Final drawings have been completed and now I am waiting on a friend to make them. I am pretty sure I have it figured out.

I think I will be using the scx10ii as a base for this project due to the already included transfer case and cms setup. With the technicality of the rear swing arm and the body build I don't need any extra tasks for now.

I am impatiently waiting for my parts and when they get here the build will begin.


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[avanord]

Well... things fell through with my. Dudu that was planning on getting the parts done for me. So it is back to mock up stage. I was able to install the rear swing arm on the scx10ii chassis. This led to me driving around a little bit in the basement. It was fun and I discovered a few things.

1. I will need to widen the rear of the frame by about 3/4 in or so.

2. The rear swing arm will not swing, but remain stationary because I need a straight driveline for the rear diff.

3. The front will be run in a droop setting so the whole truck sits lower to the ground.

Here are some pics.




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[DVS]

It's called a Trivan.

[DVS]

Opps ! Didn't see 2JSC post. sorry

Originally Posted by 2JSC

It's a Roustabout Trivan... weird little things.

[avanord]

Thanks man. As you noticed it was posted up further. I have looked into the pics. Obviously I chose to go a different direction in the rear for more durability. This will be driven in comps in class 1 so it needs to hold up.

Did a little more work tonight. I was able to locate a piece of brass to tie together my transfer case and rear diff. This will allow me to set a ride height and then it's off to the races.




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[dirk379]

The trivan that could! I hope this one gets finished

[avanord]

Originally Posted by dirk379

The trivan that could! I hope this one gets finished

It will Certainly be finished. I have been plugging away lately. I was waiting on someone to make me some parts, but it fell though so I will be fabbing my own stuff.


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[JatoTheRipper]

Haha very cool! Can't wait to see this finished.

[M J]

This is a great project - I'm glad to see it's coming along nicely!

[avanord]

Thanks guys. Progress is coming slower than I would like, but it is looking promising. I am waiting on a couple parts to be fabbed as I can't make them accurately enough on my drill press. Then I will be able to get moving again.


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