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| Author: | ChileanKJ [ Wed Jan 14, 2009 2:07 pm ] |
| Post subject: | Skid plate |
Now that my sliders are painted and installed, I will start making a skid plate for the transmission and tranfer case, but I would like to make just one for both, yesterday took the measures and i will plasma cut the plate and then twist 90° the borders to give more strength to the plate, but what do you think about the plate width should be 4, 5 or 6 mm? the complete plate will be 120cm x 40 cm thats about 47.2" x 15.7" and obviously the weight it's important and i have two heavy sliders already. |
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| Author: | long_tall_texan [ Wed Jan 14, 2009 2:24 pm ] |
| Post subject: | |
Plate thickness will all depend on what steel you use. I have used 4mm plate in construction equipmet design that was twice as strong and dent resistant than standard steel at 1/4" (6.35 mm). I would pay the extra for high strength steel and then go with thinner material to save weight. |
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| Author: | jsc7002 [ Wed Jan 14, 2009 2:30 pm ] |
| Post subject: | |
4mm 0.16" just a hair thicker than 1/8", which is similar to mopar 5mm 0.20" just a hair over 3/16", which is most aftermarket skids 6mm 0.24" not quite 1/4" I would say 5mm, or 6 if you just really wanted to |
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| Author: | ATXKJ [ Wed Jan 14, 2009 3:05 pm ] |
| Post subject: | |
FYI - the 1/8"and the 3/16" skids bend the Superskid is 1/4" with reinforcements - I don't think anyone's bent one of them yet |
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| Author: | ChileanKJ [ Wed Jan 14, 2009 9:01 pm ] |
| Post subject: | |
I will ask for the diferent type of metals and what is better for my application and based on the price I will decide what I do, the sliders are 6 mm with a 3 mm exterior round tube. thanks |
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| Author: | long_tall_texan [ Wed Jan 14, 2009 9:05 pm ] |
| Post subject: | |
You would be surprised how hard it is to bend/dent some of the high strength steels in 4 mm. You can even get by with 3 mm in some of the exotic steels. We did a lot of large object drop testing in belly pans of construction equipment and I was shocked how well it held up. |
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| Author: | tjkj2002 [ Wed Jan 14, 2009 10:36 pm ] |
| Post subject: | |
ATXKJ wrote: FYI - the 1/8"and the 3/16" skids bend I've personally seen 3 bent SuperSkids,one was really bent the Superskid is 1/4" with reinforcements - I don't think anyone's bent one of them yet  .
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| Author: | HoppedUpOnGoofballs [ Wed Jan 14, 2009 11:08 pm ] |
| Post subject: | |
tjkj2002 wrote: ATXKJ wrote: FYI - the 1/8"and the 3/16" skids bend I've personally seen 3 bent SuperSkids,one was really bent the Superskid is 1/4" with reinforcements - I don't think anyone's bent one of them yet .Those mall parking lots can get pretty crazy at times.. 
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| Author: | ATXKJ [ Thu Jan 15, 2009 8:22 pm ] |
| Post subject: | |
DaveKJ02's (mine looked like that but no pix) 
a Skid row - Clint posted a while back 
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| Author: | ChileanKJ [ Thu Jan 15, 2009 11:26 pm ] |
| Post subject: | |
| After seen this picture.. may be I will have to make it from side to side, and forget about the weight
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| Author: | ATXKJ [ Fri Jan 16, 2009 8:53 am ] |
| Post subject: | |
The real issue is the unsupported length front to back - that's why the Superskid had the side supports if tjkj has photos it would be interesting to see where they bent. The 2 arms bolt to the 'frame rails' in the middle 
unfortunately All-J's stopped making them |
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| Author: | ChileanKJ [ Fri Jan 16, 2009 3:22 pm ] |
| Post subject: | |
I will get back to the drawing board and make a new design, I have the next week off to work on this. thanks |
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| Author: | tjkj2002 [ Fri Jan 16, 2009 10:08 pm ] |
| Post subject: | |
ATXKJ wrote: The real issue is the unsupported length front to back - that's why the Superskid had the side supports No pics,2 had slight bows in them,not bad but enough to see.The 3rd was MUTT's that Durangotang has now and it's pretty bent if tjkj has photos it would be interesting to see where they bent. The 2 arms bolt to the 'frame rails' in the middle unfortunately All-J's stopped making them .He might be able to post a pic of it.
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| Author: | durangotang [ Fri Jan 16, 2009 11:34 pm ] |
| Post subject: | |
Troy and I made a feeble effort to straighten out my bent superskid in Moab. Turns out two drunk guys jumping on it doesn't do much
Hint: It's supposed to be flat 
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| Author: | ATXKJ [ Sat Jan 17, 2009 9:49 am ] |
| Post subject: | |
Try turning it upside down and driving on it (maybe with appropriate wooden blocks to limit movement) (and maybe a heavier truck) is that the tail end where it tapers down to bolt to the crossmember? |
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| Author: | JeepinMaxx [ Sat Jan 17, 2009 11:45 am ] |
| Post subject: | |
The skids look like this at the end of every wheeling season. Once I used a 30 ton shop press to straighten it out. Now just a wooden work bench a couple of 2x4s and a sledge hammer and some free stress relief / anger management  makes it straight again...
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| Author: | ChileanKJ [ Sat Jan 17, 2009 2:06 pm ] |
| Post subject: | |
Ok, after hours on the drawing board and more hours in the high tech cad/cam stations went to pirates and take one of their designs, today bought the steel at a local second hand steel seller (I don't know how you call it but you get the idea o don't?) for 7 bucks to start this new skid. I will let you know how it turns out.
I had a Lasik on both eyes one week ago so my soldering time could be shorter. thanks for the info. |
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| Author: | jsc7002 [ Sat Jan 17, 2009 2:07 pm ] |
| Post subject: | |
sweet! be sure to take some pics! |
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| Author: | Signcutter21 [ Sat Jan 17, 2009 9:40 pm ] |
| Post subject: | |
tjkj2002 wrote: ATXKJ wrote: FYI - the 1/8"and the 3/16" skids bend I've personally seen 3 bent SuperSkids,one was really bent the Superskid is 1/4" with reinforcements - I don't think anyone's bent one of them yet .Troy, was one mine? If not count 1 more. My skid row i had first (being they were the only ones to make one in the "begining" ) bent almost as bad as the pic of Clints. The SSI has handled quite a beating that i've put it through though. Wish they still made em, i'd think about ordering another one, rather than fight with this one every time i go to replace it. later mike |
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| Author: | ChileanKJ [ Sun Feb 08, 2009 2:19 pm ] |
| Post subject: | |
This is my transmision skid plate design, it's based on two 5mm tubes and a 5 mm plate, I just finish the soldering job I'm not professional solder and it is only arc but I think it will hold up very well, I will test for fit as solder some times twist things, and then go for painting, I think this is going to be far more hard to bent than only plate skids. 
I will work on the transfer case skid to mate with this one. |
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