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Grant-o-vations Building something crazy? Trying something totally out of the box? Post it here. Lets see what all those wacky minds are doing out there. These posts should be somewhat technical in nature, but dont necessarily have to be 4x4 related.

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Old 12-31-2009, 11:32 AM   #76
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Default Re: Tracked Vehicle Design thread



all my best pics are here
http://www.supermotors.net/registry/7029/62149

and some good ideas in this older track thread, plus a couple pics of mattracks on a pallet where you can see the antiwrap thingy a bit.
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Old 01-31-2010, 07:52 AM   #77
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Default Re: Tracked Vehicle Design thread

Quote:
Originally Posted by turbosniper1 View Post
Thanks for the e-mail! I actually got the head's up about this thread from that Pirate thread! Go figure
My big question for you is which design of tracks do you like better?? It would seem that the Unatracks are the better design for strength of the tracks themselves. However it would also seem that the newer design would be easier to build in a garage with the simple tools I have (220V MIG, 80 gal. compressor, plasma, and a crap load of armor plate!)
I know that the biggest problem to be solved is the need for some type of anti-wrap system to keep the tracks from rotating up into the fender wells.
Another thing I was wondering about was how they ride, or should I say, how they transmit bumps and variations in terrain?? Would I be better off building a set that has suspension built into them to soak up some of the bumps? Or am I just over thinking this here?
The thing that I would really like to do is to make two sets of tracks. (if it is not feasible to purchase them, hell for a set of Mattracks you pretty much need to rob a bank!) The first set will be my prototype set that I will use here in Colorado for playing in the deep snow and then for playing in the mud and sand dunes in the spring and summer! Then the second set will be for my brother when he graduates from his residency and moves to Alaska!
Thanks for the assistance, I greatly appreciate your insight!
- Matt

bump to top, and a reply in BigDan's trip teport on tracks in Hatcher's pass.

Matt - for a track to hold up in sand you'll have to be really carefull of wear and tear. You can do it, and tracks will take a nearly-stock vehicle and make it perform like a specialized sand vehicle - but you won't be fast, and tracks take a lot of maintenence.

Suspension is pretty well handled by your vehicle already - for the type of terrain and speed of tracks, there isn't much you can do - however - under certain conditions, all the load can be on one section of wheels on a track at a moment, like when running over a rock or small log - and then it might help that wheel if it was on a rocking mechanism so it could deflect rather than take the hit byitself. On the POR thread my_nance has broken a few small wheels off in the last day or so.

You need a good sturdy set of roller wheels if you plan to skip running the snowmachine sliders so it can run dry.

Maybe here?
http://www.castercity.com/eshop/10Ex...To=../cmrw.htm
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Old 02-15-2010, 12:44 PM   #78
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Default Re: Tracked Vehicle Design thread

Grant!



http://www.google.com/patents?id=kKY...age&q=&f=false

air-bag tracks!
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Old 02-15-2010, 06:38 PM   #79
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Default Re: Tracked Vehicle Design thread

Quote:
Originally Posted by deepmud View Post
Suspension is pretty well handled by your vehicle already
If you can call it that!
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Old 02-15-2010, 06:43 PM   #80
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If you can call it that!
I qualified it- - for the terrain and speed of tracks you won't be able to get all crossed up w/tracks unless you have MAJOR hacked fenders......like me!
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Old 02-15-2010, 07:26 PM   #81
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Default Re: Tracked Vehicle Design thread

I have never riden in a tracked vehicle that had any ride quality!! that all I was saying!
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Old 02-15-2010, 07:41 PM   #82
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Default Re: Tracked Vehicle Design thread

I heard that, lol. I have an idea for wheel replacement tracks I should patent....
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Old 02-16-2010, 01:15 AM   #83
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Default Re: Tracked Vehicle Design thread

Quote:
Originally Posted by deepmud View Post
I qualified it- - for the terrain and speed of tracks you won't be able to get all crossed up w/tracks unless you have MAJOR hacked fenders......like me!
I think I have the suspension and large fender clearance covered........

Tracks should be a good time on my truck!!! Then I would build a slightly smaller set for my brother's '46 Willys 3A
- Matt
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Old 02-27-2010, 04:56 PM   #84
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Default Re: Tracked Vehicle Design thread

How do you like the 42's? I'm thinking about upgrading...

Here's the easy way to track it.

http://www.wonderhowto.com/wondermen...nster-0113913/
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1990 Ford F-250, shortened, coiled, and 39.5" Pitbull Rockers. 42's now...
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Old 03-07-2010, 03:36 AM   #85
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Default Re: Tracked Vehicle Design thread

http://www.pirate4x4.com/forum/showt...1#post10875551



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Old 03-07-2010, 09:18 PM   #86
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Default Re: Tracked Vehicle Design thread

Love the 42" PitBull Rockers!! They are hands down the best tires I have ever used! I do mostly rockcrawling, but in the snow they are also the best tires I have ever run on my truck. I can't give an honest opinion on mud because I haven't had a chance to take them into deep mud yet, but in every other type of terrain they are simply AMAZING!!! When I drive them on the slickrock I can literally hear them on the rock like glue! Pretty cool!
I would highly recommend them to anyone!!! My only suggestion would be to go with the biggest and widest ones possible, along with going with the Rockers. The tread pattern and tread depth/compound makes for an outstanding combination!!!!
I just wish I got a commission for every set of PitBulls that I have convinced people to buy!! I would finally be able to build the buggy of my dreams!
Best of luck with your tire purchase!

Sorry for getting off track (literally) in this thread.... Thanks for the great advice. I'm still working on designing the set of tracks for my brother. I am kind of leaning towards a hybrid design of the Mattracks and the UnaTracks. It will work well in theory!
- Matt


Quote:
Originally Posted by Dbeast71 View Post
How do you like the 42's? I'm thinking about upgrading...

Here's the easy way to track it.

http://www.wonderhowto.com/wondermen...nster-0113913/
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Old 03-08-2010, 04:36 AM   #87
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Default Re: Tracked Vehicle Design thread

havent got an update for a while on this site more ideas winter is almost over ha ha
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Old 03-08-2010, 07:39 AM   #88
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Default Re: Tracked Vehicle Design thread

That's cause you posted all your stuff with the Rockcrawler board

They would have flamed you off of there if tracks weren't so inherently cool

I should steal your pics and link them here so we have tech
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Old 03-08-2010, 10:56 AM   #89
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Default Re: Tracked Vehicle Design thread

I forgot how old this post was, i think i have been looking for info about tracks for quite a while but it seams it is a real secret ha ha... well ok for everybody to see here is a simple design that works, and for a fact i have 1100 miles on this set up and to date have only bent a few wheels and broke some aluminum blocks.

ok after now realizing that i cant post picts i know why i didn't ha ha oh well check out the build or deep mud will post some picts.
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Old 03-08-2010, 06:53 PM   #90
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Default Re: Tracked Vehicle Design thread

I stole most of them and they are here.
http://www.supermotors.net/registry/7029/62149

you could link 'em up as you wish, supermotors allows linking and it's free. I would still use free hosting if I had a red star on POR.
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Old 03-11-2010, 07:42 AM   #91
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Old 03-11-2010, 07:43 AM   #92
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Old 03-11-2010, 07:44 AM   #93
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Old 03-11-2010, 07:45 AM   #94
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This pic is of his unique solution to "over rotation" - this is completely different than Mattracks design.
I'd like to see some close up pics, and see how it's holding up with all the mileages he's put on.

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Old 03-11-2010, 07:46 AM   #95
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Old 03-11-2010, 07:52 AM   #96
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Default Re: Tracked Vehicle Design thread

I'd love to see video of the BII on the same trail as my_nanc, 'cause I think it would show the advantage of choosing a light rig . However, I think his Durango is a better choice to haul a heavy drag down a trail.
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Old 03-15-2010, 05:13 AM   #97
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Default Re: Tracked Vehicle Design thread

actually the design is where the difference is, B2 will cut to the bottom, the aproach angle it has causes it to drive under the snow digging down where mine drives up onto it packing it as you drive, kinda neet to see.
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