Welcome to the H4O - HUMMER 4x4 Off Road.
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  1. #1
    Bald Tire
    Join Date
    May 2018
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    Tulsa, OK
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    Functional DIY Crossbars for the H3

    Hey Everyone,

    I just thought i would share my latest project with you all. I made a set of crossbars that I consider to be more functional than the OEM/Aftermarket options at less than half the cost.

    The seed for this project started when I first bought my H3 and got rid of my truck, which was my main lumber hauler. I ignored the idea & the inability to transport large lumber until my wife and I decided we wanted to take a road trip but we wanted the back of the H3 to be a flat platform where we can have a small bed, and a little fridge/cooler for our food. With this new requirement, i decided it was time to make the H3 more functional and ended up with this DIY Crossbars that I think are superior to anything that can be purchased readily for the H3.

    Because of the strength these bars offer, i can use them to carry lumber and equipment. I plan to find some type of storage solution for our clothes and stuff regarding the road trip which can be fastened to the crossbars directly.

    Materials used:
    1x 12 Gauge superstrut - 10ft
    4x 1/2" zinc plated carriage bolt - 2-1/2"
    4x 1/2" zinc cut washers
    4x 1/2" zinc nuts
    1x can of spray can bedliner
    4x custom designed & 3D printed crossbar mounting brackets (my friend 3D printed them for me).

    Total cost was approx $40 in materials
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    HUMMER H3 Replacement Key Fob Shells
    https://www.shapeways.com/shops/baddog-engineering

  2. The Following User Says Thank You to Zerreitug For This Useful Post:

    rascole (07-01-2018)

  3. #2
    El Diablo
    Join Date
    Sep 2011
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    Scottsdale
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    Nice job!

    Sent from my SM-N950U using Tapatalk

  4. The Following User Says Thank You to alrock For This Useful Post:

    Zerreitug (07-01-2018)

  5. #3
    Bald Tire
    Join Date
    Apr 2018
    Location
    Montana
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    Good work! Considering something like this since the back of ours is turned flat also to haul the hounds

  6. The Following User Says Thank You to Sowedk For This Useful Post:

    Zerreitug (07-01-2018)

  7. #4
    Street Tire
    Join Date
    Jul 2017
    Location
    Illinois
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    Thanked 85 Times in 61 Posts
    Looks really good! Good price point too since most people want $50 for the crossbars on craigslist
    2008 Hummer H3 Alpha Adventure + Luxury

    Rancho 4in, 295 Nitto Terra Grapplers, Road Armor Bumper, Smittybilt 10k, Gobi Stealth, Rocky Road Outfitters Sliders, Daystar 1" Body Lift, ARB snorkel, Runcool hood louvers, JKS front disconnects, Coverking Cordura Ballistic, Seat Covers, Schwarttzy Skid Plates + Extended Shackles, Outfitter Design Tire Rods, Optima D34, Smittybilt Storage Drawer, Cobra 29 ltd, Uniden 520XL, Dual 102" Antenna Whips. - 38s Coming Soon!

    Parts List Updated 7/18/18

    Follow The Build: http://www.hummer4x4offroad.com/foru...3-Build-Thread

    Wheeling and General Pictures: https://www.instagram.com/acer4lo/




  8. The Following User Says Thank You to Acer4LO For This Useful Post:

    Zerreitug (07-01-2018)

  9. #5
    Low Profile
    Join Date
    Mar 2018
    Location
    Colorado Springs, Colorado
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    Thanked 18 Times in 13 Posts
    I like it!

    I have had bad experience with printed parts, but for this applicable with a primary compression load it should work great!

  10. #6
    Bald Tire
    Join Date
    May 2018
    Location
    Tulsa, OK
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    Quote Originally Posted by mdocod View Post
    I like it!

    I have had bad experience with printed parts, but for this applicable with a primary compression load it should work great!
    Thanks mdocod, I dont have much reservations with 3D printed parts. I think it is just a matter of the material used to create the part. My friend gave a suggestion to modify the 3D model to accept a bushing of equal height to the printed part that serves as the load bearing portion. Its a good idea so i may do a redesign in the near future. I am always up to improving the design. Now i just need to test it and put it through its paces.
    HUMMER H3 Replacement Key Fob Shells
    https://www.shapeways.com/shops/baddog-engineering

  11. #7
    Baja
    Join Date
    Jun 2015
    Location
    West Valley, UT
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    Neat, but personally I'd get some aluminum bar to use for the spacers, the roof channels are level with each other so that's not an issue. I used some 1" tall x 1.25" wide bar for spacers for my roof basket and it works great.

    Sent from my SM-N950U using Tapatalk
    2008 H3 Alpha
    2008 Victory Red H3

    "Live free or die: Death is not the worst of evils." - General John Stark

    N1JPA

  12. The Following User Says Thank You to JPaul For This Useful Post:

    Zerreitug (07-05-2018)

  13. #8
    Bald Tire
    Join Date
    May 2018
    Location
    Tulsa, OK
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    Thanked 15 Times in 12 Posts
    Quote Originally Posted by JPaul View Post
    Neat, but personally I'd get some aluminum bar to use for the spacers, the roof channels are level with each other so that's not an issue. I used some 1" tall x 1.25" wide bar for spacers for my roof basket and it works great.

    Sent from my SM-N950U using Tapatalk

    Thats cool JPaul, do you have any pictures you can share?
    HUMMER H3 Replacement Key Fob Shells
    https://www.shapeways.com/shops/baddog-engineering


 

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