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Old 01-02-2020, 01:29 AM   #1
Quarry Creeper
 
Join Date: Nov 2014
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Default Links for a Large Scale Rig

Looking for some opinions, dangerous I know..., on building links for a 1/6 scale sized rig.

I plan to use the Losi LOSB4020 Rod Ends, but am undecided on the actual link material.

Two choices I thought of so far; 5/16” Brass Rod, or 5/16” 316 SS Tube (316 SS 0.065” Swagelok Tubing)

What say you?

Last edited by AK KRAWLER; 01-02-2020 at 02:12 AM.
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Old 01-02-2020, 05:58 PM   #2
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Default Re: Links for a Large Scale Rig

I have a 1/6 Hasbro Jeep (1960's), I used Traxxas 106mm links for the rear, and 102mm Traxxas links for the front. Short link ends front & rear. Wheelbase is 14 1/2 inches. Here's the build if you want to check it out: New Project (for me)
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Old 01-02-2020, 06:36 PM   #3
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Default Re: Links for a Large Scale Rig

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Originally Posted by Mike Flea View Post
I have a 1/6 Hasbro Jeep (1960's), I used Traxxas 106mm links for the rear, and 102mm Traxxas links for the front. Short link ends front & rear. Wheelbase is 14 1/2 inches. Here's the build if you want to check it out: New Project (for me)
Thanks Mike, awesome read. That Jeep turned out pretty cool!

I am hoping to get my wheelbase out to the 18" to 20" mark and use something like an X-Maxx body, or whatever else I can find.

Looks like I was probably over thinking it a bit in regards to the links ability to hold up.
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Old 01-02-2020, 07:01 PM   #4
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Default Re: Links for a Large Scale Rig

Thanks, I left you some more links to other builds in the Large Scale section on multi-motors & transmissions
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Old 01-02-2020, 07:24 PM   #5
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Default Re: Links for a Large Scale Rig

I would try and get something steel personally, stainless, maybe titanium if you have money to burn. Another option is using all thread and finding tubing that will fit over the all thread like a sheathe. This will allow you to replace the outer tube as it gets beat on rocks. I would try and match the OD of the link with the rod ends so you don't have hooks to catch on everything. Plus if the rod end pushes up against a shoulder it will be a little stronger.
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Old 01-02-2020, 07:56 PM   #6
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Default Re: Links for a Large Scale Rig

Ok, I think I came up with the combination I am going to use.

Losi LOSB4020 Rod Ends
10-32 Threaded Rod (Which is 0.190 O.D.)
3/8" 0.083" WT Stainless Tube (Which is 0.209" I.D.) Then bevel the edge of the tube if needed too match the O.D. of the Rod Ends

I have ordered the Rod Ends and I think I have a local supplier for the Threaded Rod and SS Tubing.
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Old 03-23-2020, 04:08 PM   #7
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Default Re: Links for a Large Scale Rig

Just an update - I built the links.

I made the links using thick walled SS tubing, SS threaded rod and Traxxas rod ends, they turned out pretty nice, I still need to taper the the tube ends on the rear links to match the diameter of the rod ends.
Also, due to the length of the motor I used, I had to raise the transmission/motor assembly to make room for the rear upper links to articulate.

Body mock-up
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Front links
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Size:  122.5 KB

Rear links
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Size:  122.3 KB

Transmission/motor mount lift
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Views: 43
Size:  102.0 KB

Last edited by AK KRAWLER; 03-23-2020 at 04:20 PM.
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Old 03-23-2020, 10:18 PM   #8
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Default Re: Links for a Large Scale Rig

Nice rig, where on earth did you find 3.2 rc4wd rock crushers?
Another option for links are the same rod ends LOSI LST, or the ones from traxxas with m4x25mm grub screws and some 3/8 lexan tubing from McMaster-carr would do the trick too!
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Old 03-23-2020, 10:38 PM   #9
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Default Re: Links for a Large Scale Rig

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Originally Posted by Gula View Post
Nice rig, where on earth did you find 3.2 rc4wd rock crushers?
Thanks man!!! Friends in low, low places...

Quote:
Originally Posted by Gula View Post
Another option for links are the same rod ends LOSI LST, or the ones from traxxas with m4x25mm grub screws and some 3/8 lexan tubing from McMaster-carr would do the trick too!
I never would have thought of lexan tubing, sounds pretty sweet.
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