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  #31  
Old 01-29-2010, 05:48 PM
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To do that, I have to design one to begin with...and before that, WHAT it's designed to...

Fit????

6x6x6 WK coming...

Last edited by killbucket : 01-29-2010 at 08:53 PM.
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  #32  
Old 01-29-2010, 09:06 PM
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Quote:
Originally Posted by killbucket View Post
Has anybody in RC, made this:

I have:



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  #33  
Old 01-30-2010, 08:02 AM
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Nigh Slee Dun. I like how the housings ARE the bushings!



...continued development of the tandem axle, walking-beam suspension for a Wheely King Big rig.


I know, SteamPunk TXT!


The (not so) Poor Man's way to 6WD.


Using a Wheely King transmission, butchered and flipped over. You could almost use the stock drive shafts.
This might be a fun thing to build.

Last edited by killbucket : 01-30-2010 at 09:07 AM.
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  #34  
Old 01-30-2010, 10:37 AM
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Well, here's an impossible challenge for ya.

Can you make these:



Look like this?



You'd probably have to start over with a chunk of aluminum, but if you can produce an accurate 10-hole Alcoa you'd have a lot of customers in the big-rig forum.
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  #35  
Old 01-30-2010, 11:20 AM
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To me, they look like the same thing...you guys aren't close enough?

I rarely work in metals. My ShopBot is actually made for doing WOOD...but I work almost exclusively in ABS plastic.
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  #36  
Old 01-30-2010, 01:27 PM
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Why not just pass threw the WK axle?
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  #37  
Old 01-30-2010, 01:27 PM
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Quote:
Originally Posted by killbucket View Post
To do that, I have to design one to begin with...and before that, WHAT it's designed to...

Fit????

6x6x6 WK coming...
It would be for those of us with the military HEMTT rigs and some of the MAN and unicat rigs use them as well I think.
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  #38  
Old 01-30-2010, 01:32 PM
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That is what's planned. This is the shapes and preliminary geometry.
The two axles will pivot on the lower link below the axles, the fulcrum point being on the bottom most part of the purple arm assembly. They would need bump-stops on this arm somewhere, to keep them from pivoting too far.
The short green upper links also pivot on the purple arm, keeping the two housings upright and parallel to each other.
The big purple arm carries the suspended weight, and two or more shocks (tiny airbags?) serve as the suspension.

These parts would of course be fine-tuned for proper function, and then made eye-pleasing...

Actually my question was what OEM kit base parts, are the axles that are used on these?

EDIT: A bit of research later... It looks like two of the above setup would DO it...still looking for good pics of the actual HEMTT arms to look at...


Found a Solidworks Pic...we're good, because we're waaaay off anyway.

I will refine this further, but under it's own topic.

YAY! I found something FUN to design!


Last edited by killbucket : 01-30-2010 at 02:37 PM.
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  #39  
Old 01-30-2010, 05:39 PM
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Great,was trying to find a shot of a hemtt suspension for you but had no luck.Looking forward to see what you come up with....
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  #40  
Old 01-31-2010, 06:12 AM
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Making parts for this setup today to test them out. Center-to-center on the axles is a whopping 5.20", but could be a bit shorter with a dogbone instead of u-jointed drive as shown.

Anybody got a high-lift spring that they can mike for me? I'd like to drop an off-the-shelf spring into the design...
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  #41  
Old 01-31-2010, 09:05 AM
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I have a highlift spring I'd send you Should get there fast too since I live in Fairfield CA , what 60 or so miles from you. PM me your addy if you still need it
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  #42  
Old 01-31-2010, 09:43 AM
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I don't actually need the spring itself. You're too kind!

I just need these dims:

spring width.

spring thickness.

A:eye center-to-eye center dimension.

B: eylet inside diameter.

C: height of spring, standing as depicted:
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  #43  
Old 01-31-2010, 11:43 AM
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Will do as soon as I get home
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  #44  
Old 02-03-2010, 10:06 AM
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Well, the more I browse this KILLER forum, I begin to realize what you should have asked for was "I want a walking beam axle that doesn't cost as much as what I'm seeing".

choices abound to build tandem setups with.
And there is, no free lunch. I'd want much more to custom-fab something, than the prices you see...

Of course, that isn't gonna slow ME down, nobody makes BIG setups to use with WK parts.
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  #45  
Old 02-04-2010, 12:00 AM
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I have a simple small project idea for you, ladder bars to fit tamiya leafsprung trucks
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