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Old April 13th, 2008, 06:57 PM   #1
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Default Recentering H1 wheels - How to pics

I just recentered my Hummer wheels with 3/8 centers. I cut my own centers and re-enforcement outer rings but there are several other to choose from. I am going to just post the sequence of pics but if there are any questions feel free to ask.

1. Cut out factory center. I used the outer ring edge as a guide and cut it with a plasma cutter. I suppose a torch could be used too but I would think a cut off wheel would bring the suck. They are already sandblasted.


I then designed and cut out my outer re-enforcement rings out of 1/4 and the centers out of 3/8.


I then welded the outer rings on the outer portion of the wheel. Only one wheel was out of whack but not too bad.

Gratuitous close up.

Then I made up a "jig" of sorts by using my factory hub with disc and a spare 3/8 center as a spacer. I placed this jig on a piece of 3/8 plate for as flat a surface as possible. I checked each one and all were very, very close in trueness. This setup gave me a 4.25 backspacing. Which is about as much as possible and still be able to weld the outer side of the center easily.

After tacking them in 10 spots (both ends of the spokes) I removed them from the jig and welded the backsides of the centers being mindfull of the heat and welding every other spoke till done.

Another close up of these welds.

Then after a long cooling period I welded the outer side of the center the same way. It is quite tight in there but not too bad.

Here they are together.

And here is one of the outers sitting in a tire.

I need to cut down my runflats yet but will get those done soon. I also bought new o-rings from Graingers and will paint them after it warms up a bit more. Hope this helps someone who is thinking of doing a set. Its pretty easy to do it just takes a lot of welding. Tab

Last edited by Tab; April 13th, 2008 at 07:00 PM.
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Old April 13th, 2008, 09:06 PM   #2
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Wow, nice work Tab!
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Old April 13th, 2008, 09:33 PM   #3
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Old April 13th, 2008, 09:42 PM   #4
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will you make more centers? cost per
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Old April 13th, 2008, 09:45 PM   #5
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I will. Cost depends on current steel prices. They have gone up quite a bit in the last few weeks, for plate anyways. I would say $50 each give or take a few bucks. I can do pretty much any design too unless you like this one.
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Old April 13th, 2008, 09:46 PM   #6
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Looks good, well except the welds those could use a little help:tonka:
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Old February 15th, 2010, 06:14 AM   #7
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Tab, do you offer this as a service?
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Old February 15th, 2010, 07:05 AM   #8
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Yeah, at least I've done a few sets besides mine since this thread was posted. And I've made about dozen sets of just the outer rings. I would recommend that if someone was going to build a set of H1's that they buy a pressed center for the them. Like the one Mad Mac sells. They have the lug nut taper already in there and they are not much more expensive by time its all said and done. Plus they're lighter.
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Old February 16th, 2010, 07:26 AM   #9
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I'm looking @ a set right now, do you really need the outer or are they strong enough w/o them. Is the outer ring just insurance??
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Old February 16th, 2010, 07:53 AM   #10
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You need an outer. The outer side of an H1 wheel is pretty thin. In fact if you look at the bigger half holes that I put in there for drainage in about 8 or 10 spots the wheel is smashed in because there is no protection there.
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Old February 17th, 2010, 10:05 PM   #11
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Looks pretty good what Kind of Plasma table do you have Tab?

I just sold mine. Laser is a bit nicer but expensive.

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Old February 18th, 2010, 05:28 AM   #12
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PlasmaCam. I think thats the same brand you had for sale on Pirate right? Yes, laser is a bit out of my price range
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Old February 18th, 2010, 06:33 AM   #13
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Tab cut mine out and I really like these thing... They have worked great so far...
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Old March 5th, 2010, 12:51 PM   #14
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Default H1 Outer Required?

Tab,

Can you expand on your response regarding why you think the outer ring is required? I spoke with Mac about an hour ago because I like this H1 wheel solution. I am assuming the need/requirement for the outer reinforcing ring to be application driven.

I am asking the question to make sure I have him build them correctly for me. I will never use my XJ on rocks. I built mine for a little trail use (not likely to ever be involved on something as aggressive as two-track), but the reality is once you venture off-road....be prepared.

I assumed your comment regarding the requirement for the outer ring was to prevent dents from occurring when the tires are deflated on trails and rocks where this strategy is beneficial for traction. I do not expect to ever be involved in this type of use, but...

Real nice fabrications skills! You should get into welding 4130 aircraft frames.

Thanks,

Rick
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Old March 5th, 2010, 12:58 PM   #15
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Stock would be fine for you then. They are to prevent the outer wheel from being bent, which they do kinda easily but only when you hit stuff....like rocks. If your needs ever changed and you were to start wheeling more rocks then they are something that could easily be added later. Oh and thanks but I don't think I'll be building any airplanes any time soon.
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