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Thread: check out my new chassis idea lots of pics

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Old 09-05-2009, 06:58 PM   #1
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Default check out my new chassis idea lots of pics

my idea for a chassis was one that pivits in the middle. i built it today and it works like a dream

it doesn't look that pretty but i got to get a body for it








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Old 09-05-2009, 07:26 PM   #2
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looks good, and seems like a good idea but i think the front could roll over easy
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Old 09-05-2009, 07:45 PM   #3
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Like the old dodge powerwagon twisting frame. The powerwagons had something to limit the twist though, something that might benefit your design as well.
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Old 09-05-2009, 07:59 PM   #4
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i have springs on each side that won't let it got any farther then the side of the tire on the ground. and it doesn't roll over easy at all. if i ever get my video camera back ill post a video
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Old 09-05-2009, 09:52 PM   #5
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Interesting approach, but you have to much articulation there, imho
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Old 09-05-2009, 10:19 PM   #6
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I completely overlooked the small spring, oops. Looks like the twisting chassis is doing all the work, might could even remove the shocks and mount it solidly to the frame?
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Old 09-05-2009, 10:32 PM   #7
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I applaud your creativity. However, I once built a rig with tons of articulation. All it wanted to do was twist up and get into binds it couldn't crawl out of. I hope your set up works better than mine. I will be interested to see how this set up performs. Good luck!
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Old 09-06-2009, 07:24 AM   #8
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thanx. i got my video camera this morning so i'll make a small video
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Old 09-06-2009, 08:03 AM   #9
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heres some couch action
http://s613.photobucket.com/albums/t...climber022.flv

http://s613.photobucket.com/albums/t...climber023.flv
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Old 09-06-2009, 08:13 AM   #10
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How about posting some rock action outside?
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Old 09-06-2009, 08:17 AM   #11
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Quote:
Originally Posted by Jamus View Post
I completely overlooked the small spring, oops. Looks like the twisting chassis is doing all the work, might could even remove the shocks and mount it solidly to the frame?
yes put a link or turn buckle where the shocks are and use a shock to limint and slow the action of swivel on the chassis and yes tons of flex looks cool but just hurts preformance you'll want about 6-6.5 inches of flex depending on where you crawl i run about 6.5''
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Old 09-06-2009, 08:41 AM   #12
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yeah i'll make a video once i can find someone to hold the camera for me.
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Old 09-06-2009, 09:29 AM   #13
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Nice thinking out of the box
chime back with how she rolls.

Is it a bolt through the two halves or rides on bearings?
Does that give sooner then the 4link?
Does it hang on rocks as the chassis twists? Might want a thin, flexible pc of PET, PE or other slippery plastic on the belly as a skid. It could almost take the place of the springs you mention and offer a smooth underbelly that won't hang on things.
Might not want it going 90 deg.

I tried something like it with a shafty as one of my first "out of the box" crawlers. Hard to tell from the pics, but front and rear independent susp is held to chassis by a tube that runs through dual bearing races. The drive shafts run down the center of the tubes.
One set of shocks controls the roll of the tube, other for the susp.
1:6 Rubicon - dual suspension
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Old 09-06-2009, 01:48 PM   #14
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nice build. it's just a bolt through the 2 halfs. but i took it apart because i'm trying to build a tuber.
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Old 09-06-2009, 02:20 PM   #15
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Not a tuber, but more-so then body on chassis.
This is what I did with my Cliff Climber.

Still trying to fine tune it.

CC Rockbuggy teaser pics


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Old 09-06-2009, 05:25 PM   #16
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takes me back to the early days when evryone was trying something new. looks cool. I would solid mount axles and let chassis articulate
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Old 09-07-2009, 07:31 AM   #17
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i love that build. i decided to not totally get rid of the pivit chassis, I'm just going to get two more cliff climber axles and Banbots motors. and do what every one says and solid mount the axles and get some shocks. I'll probably go with the traxxis evo 2 esc, cancel the rear steer. and find a truck body to mount to it, the bed on one side and the cab on the other.
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Old 09-07-2009, 08:56 AM   #18
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i'm building new lower links and was wondering how many degrees for bent ones.
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Old 09-08-2009, 04:38 AM   #19
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These things are geared pretty high and roll a lot while you crawl, especially on hills.

Might want to think about getting an ESC that has drag brakes on it.
CC Mamba Max or Sidewinder
Tekin FXR (will it handle 12v, never had one)
newer Novaks


BTW, I have a Novak Superduty XR for $50 shipped OBO. (no drag brake)
Right now it is wired for a single battery, but has the leads for dual batteries.
Will handle 16.8 I believe.
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Old 09-08-2009, 12:02 PM   #20
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Being creative is not a bad thing. Good craftsmanship. I say why not change things up alittle.
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