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 Post subject: Home-Made Bumper questions!!??!!
PostPosted: Sun Oct 31, 2010 1:36 pm 
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Location: Queen Creek, AZ
1=Mounting i think i found on a search..If you have a "New" idea let me know
2=Minimun metal size. Being that i am replacing a plastic face, how can i keep the weight down?
3=any issue with just unplugging the airbags?

Thanks in advance,
Jason

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 Post subject: Re: Home-Made Bumper questions!!??!!
PostPosted: Fri Nov 05, 2010 6:56 am 
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for mounting look at arb bumper and detours backbone threads

if you want to keep weight down you could try to keep the size to a minimum or a tube style bumper maybe

i would leave the airbags alone


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 Post subject: Re: Home-Made Bumper questions!!??!!
PostPosted: Sat Nov 06, 2010 1:46 pm 
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Thanks for you input DirtyKK (excellent write up on your install!)
I should have been a little more clear:
#2- What "thickness" of steel would be the thinest that should retain shape and form, but keep weight to a minimum. (1/8" , 3/32, gauges?) Think low weight copy similar to the ARB design with a few tweaks.
#3- does adding a bumper interfere with the sensors, and operation of airbags? Basically am I going to be setting myself up for a false depolyment?

Thanks again

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 Post subject: Re: Home-Made Bumper questions!!??!!
PostPosted: Sat Nov 06, 2010 2:18 pm 
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Airbags are operated by an inertial switch.

(for example: I went over a railroad crossing fast enough to get air. and when I came down, I came down a little heavy on the front wheels and it tripped the sensor enough to make the light come on, but the airbags did not deploy.)

as far as thickness. I personally wouldn't go any thinner than 3/16ths if you wanted to retain any kind of durability and not have to rebuild the whole thing every time you hit it on something offroad.

The mount should be 1/4" thick if you plan on it being structural for recovery.

If offroad durability is not a concern to you, you could use any thickness you want.

The Jeep wrangler bumpers are basically a piece of sheet metal bent into a channel.

At absolute minimum I would use 1/8"

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 Post subject: Re: Home-Made Bumper questions!!??!!
PostPosted: Sat Nov 06, 2010 2:21 pm 
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Thanks for the detail. I want it to hold up somewhat, but am not concerned about dings. I was looking at copying the mount specs from DirtyKK's info. Now to start peciling and planning how to pay for it!

Thanks.

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 Post subject: Re: Home-Made Bumper questions!!??!!
PostPosted: Thu Dec 09, 2010 12:27 am 
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Look at TJM I got mine for like $495.

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 Post subject: Re: Home-Made Bumper questions!!??!!
PostPosted: Thu Dec 09, 2010 8:07 pm 
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805gregg wrote:
Look at TJM I got mine for like $495.

How much was shipping?? Ballpark

Thanks

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 Post subject: Re: Home-Made Bumper questions!!??!!
PostPosted: Fri Dec 10, 2010 3:38 am 
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TR uses 1/4" channel steel for the mounting, pretty sure ARB's is 1/4" too, i think my TR mounts are 4"w 1/4"T in the rear and 3"w 1/4"T in the front, structural is 1/4" skin is 3/16" and structurally braced

that's the lightest i'd use, properly constructed and properly mounted, should an accident occur.. at least you'll have a bumper for your new jeep still

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 Post subject: Re: Home-Made Bumper questions!!??!!
PostPosted: Wed Jan 12, 2011 11:07 pm 
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Shipping was like $65 from rusty's, they were having a sale, so the bumpers are probably more now. Great bumper though.

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