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11-29-2008, 11:35 PM
| #1 |
| Rock Stacker Join Date: Sep 2007 Location: OZ
Posts: 52
|  New Custom Super Chassis
I'm currently designing my own custom chassis and im not sure what material i should use. I was considering 6mm (1/4 inch) 6061 aluminum, or is that overkill  Maybe 3mm (1/8 inch)What about Delrin of about 6mm (1/4 inch) thickness I plan on using stock tranny and axles, powered by Rooster Crawler ESC and twin Warrior 35t's, Moab XL's on narrowed Cheyenne bead locks, and savage shocks, with the towers and shocks protruding through the body. A.K.A. Mir4dor, Bender (Rocktapus was the best TXT ever built, in my opinion) Here is some pics of the chassis under design...  and the other side...  Let me know what you think  Last edited by SKareKrow; 11-29-2008 at 11:51 PM. Reason: Corrected conversion thanks raptorman57 |
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11-29-2008, 11:48 PM
| #2 |
| TEAM MODERATOR   Join Date: May 2004 Location: Tennessee
Posts: 10,855
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Your a tad off on your figures. 6mm is almost 1/4" 3mm is almost 1/8" 1/8" (.125) 6061 is plenty for chassis plates. I prefer aluminum myself,as do allot of people. The majority of chassis plates are made from aluminum. Some have found delrin works if it's braced properly. Delrin is just about a must have for skids though,slides really well. Last edited by Reflection; 11-29-2008 at 11:51 PM. |
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11-29-2008, 11:58 PM
| #3 |
| Rock Stacker Join Date: Sep 2007 Location: OZ
Posts: 52
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Thanks Raptorman57 might have to get some Delrin after all. fixed those conversions too |
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11-30-2008, 12:11 AM
| #4 |
| TEAM MODERATOR Join Date: May 2004 Location: Tennessee
Posts: 10,855
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If you do the plates with delrin,after looking at the drawings a bit,I think you'll need several braces. Since the shock mounts are so tall and thin,they'll flex a good deal. The "webs" through the middle of the plates may or may not flex a little. Such long spans like that,with a flexable plastic,a few extra braces will help add strength if anything.
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11-30-2008, 12:24 AM
| #5 |
| Rock Stacker Join Date: Sep 2007 Location: OZ
Posts: 52
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Sounds like the 3mm aluminum might be the way to go then. That's why i was going to go 6mm, i didn't want it to bend at all, but the weight is an issue. I have no experience with Delrin at all, didn't realize it was so flexible. Thanks again Raptorman |
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11-30-2008, 07:09 AM
| #6 |
| MODERHATER™  Join Date: Nov 2005 Location: Colorado
Posts: 10,939
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If you make it out of delrin use at least 1/4". Even for a super that may be too thin though. Try it out and see what happens! How long do you plan on making the chassis? I am the owner of Rocktapus now, and I can tell you if you plan on using the stock tranny and 2 35 turn motors with no gear reduction, you won't be doing much crawling. And yes it is one awesome TXT! |
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11-30-2008, 10:38 AM
| #7 |
| Pebble Pounder Join Date: May 2006 Location: Anaheim
Posts: 139
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Just out of curiosity, why will the 35's not work in the TXT? I imagine with a 9 tooth pinion it would be as slow as molasses running up hill on a cold winter day. Course there are always 100 turn singles if you want it really slow. |
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11-30-2008, 10:41 AM
| #8 | |
| MODERHATER™ Join Date: Nov 2005 Location: Colorado
Posts: 10,939
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11-30-2008, 01:17 PM
| #9 |
| RCC Addict Join Date: Nov 2007 Location: BV
Posts: 1,170
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666 is right, I tried 2 55t's, 9t pinions on 3 cell and the motors would stall just trying to climb the curb outside my house. Might I advise a cobalt puller with a GRU? Another factor to consider is tire size. A pair of 35s with 9t pinions might do it with maxx mashers (5.5" or so), but you've got no chance with moab XL's at 7 inches. Another thing to mention, I personally think savage shocks are way too long. You can make it work, but it'll be hard. Unless you run droop the chassis will end up so tall you won't get through tight spots, and you'll struggle to get your COG down low enough. You'll also have to limit the crap out of their travel, especially if you mount them to the links. A 4" shock is usually a better fit IMO. I like the look of the chassis. Very nice tasteful design. May as well add a few extra upper link mounting holes though, it's nice to have the adjustability. Last edited by chrisjlittle; 11-30-2008 at 01:26 PM. |
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12-01-2008, 12:22 AM
| #10 | ||
| Rock Stacker Join Date: Sep 2007 Location: OZ
Posts: 52
|  Thanks for the replies Quote:
^^^  I am sooooo Jealous ^^^Here's what two Warrior 35t's (see JP Custom RCs http://www.jpcustomrcs.atomicshops.c...86/5254837.htm) in parallel do to a stock axle shaft  ... and the dogbone still in the knuckle ... Needless to say i now run Thundertech CVD's and the 35t's in series. It crawls fine with 15 tooth pinions, plus O.K. wheel speed (very slight stall issue when wheels bind up), and slow as a wet week with 9 tooth pinions (no stall issues that i have come across). And here's an img of the new chassis laid over a mock up of the stock chassis....  Quote:
 Thanks to all for your input | ||
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12-02-2008, 12:08 AM
| #11 |
| RCC Addict Join Date: Nov 2007 Location: BV
Posts: 1,170
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This truck has the tranny laid over, you might be able to get some ideas from the thread. Super Duper Actually, I think it's the coolest TXT super on the board. |
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12-02-2008, 01:34 AM
| #12 | |
| Rock Stacker Join Date: Sep 2007 Location: OZ
Posts: 52
| Quote:
Thanks, I have seen that truck before ages ago. I love the dual front servos and that dig system is very well made. The lower tranny mount is just like the solution I pictured in my head (must have remembered subconsciously). Here's how it's mounted currently, but I need to cut that off to make room to turn it sideways...  | |
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12-03-2008, 03:01 PM
| #13 |
| Rock Crawler  Join Date: Jul 2008 Location: E. City
Posts: 883
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I like how you incorperated the TXT-1 into the chassis frame. Looks good.
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12-03-2008, 09:08 PM
| #14 | |
| Rock Stacker Join Date: Sep 2007 Location: OZ
Posts: 52
| Quote:
 And just for fun here's a quick render of the assembly, still more cross braces to work out but I'll do that when the time comes...  | |
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12-26-2008, 09:51 PM
| #15 |
| Rock Stacker Join Date: Sep 2007 Location: OZ
Posts: 52
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Still searching for some good 6061 aluminium locally, can only find soft stuff  .Should be able to get it plasma cut for about $40 from a place across the road from work. Just gotta supply my own aluminium. As for it being mass produced, I'm only 1 man with an idea  If there was interest from a manufacturer  I'm sure we could come to some arrangement  |
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12-29-2008, 04:22 PM
| #16 |
| Rock Crawler Join Date: Jul 2007 Location: clearfield
Posts: 678
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get ahold of StangKillaSS aka "the Scale Shop" he gets stuff waterjetted, maybe he could work you in one of his orders...
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01-05-2009, 10:58 PM
| #17 | |
| Rock Stacker Join Date: Sep 2007 Location: OZ
Posts: 52
| Quote:
 Seems like that stuff is fairly exclusive to the U.S.SO A BIG THANKS TO STANG KILLA SS for saving this project and being very patient through half a dozen emails sorting out file format problemsThe ball is rolling yay | |
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01-23-2009, 11:29 PM
| #18 |
| Rock Stacker Join Date: Sep 2007 Location: OZ
Posts: 52
| Update
Just a quick update... The plates are on there way will put up pics when I get my hands on them8-) |
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01-28-2009, 01:49 AM
| #19 |
| Rock Stacker Join Date: Sep 2007 Location: OZ
Posts: 52
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Here's a pic as promised...  Cant wait to get it put together! |
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01-28-2009, 12:30 PM
| #20 |
| Rock Stacker Join Date: Jan 2009 Location: kalamazoo
Posts: 94
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cool plates. cant wait to see it finished
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