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The only thing I can think of, is wheel balancing. They may look dead center to the eye, but fractions of a millimeter can be multiplied in amplitude, when they're spinning at highway speeds. I truly hope it works though, because they look fantastic.
what, no eye measurements are used ... rimrings aren't hanging in the air. They are milled in in the centerpiece, even the spokes had to be milled couple millimeters (flush mount? look the pic i drew)
and has less than 0,2mm tolerance to fit the rimrings in. BBS RS rimrings are manufactured to the same tolerance. It is a snug fit and i had to use rubbermallet to get the rimrings to the bottom. Three of them are perfectly balanced with 5-10g weights and one has 35g and that one has a welded crack on it... actually we managed to do two of these perfectly round and two shows some eccentric wobbling by micrometer, about 0,22mm if i remember right.
what, no eye measurements are used ... rimrings aren't hanging in the air. They are milled in in the centerpiece, even the spokes had to be milled couple millimeters (flush mount? look the pic i drew)
and has less than 0,2mm tolerance to fit the rimrings in. BBS RS rimrings are manufactured to the same tolerance. It is a snug fit and i had to use rubbermallet to get the rimrings to the bottom. Three of them are perfectly balanced with 5-10g weights and one has 35g and that one has a welded crack on it... actually we managed to do two of these perfectly round and two shows some eccentric wobbling by micrometer, about 0,22mm if i remember right.
Wow, I didn't see that you were going with a milling machine to cut off the existing barrels. Since that's the case, I see no reason to believe that these won't work. It's not like you're adding new stress points.
No no i used a Hacksaw Joke actually with structural bond they will be stronger than the stock rim But i have to keep it in my mind that these are 70's wheels and are made for lesser stress and wear compared to modern wheels. As long i have them on my old boulevardcruiser, so it won't be a problem.
love this project. great work!! the possibilities are endless when thinking about doing this to certain wheels.
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1990 Nissan fairlady Z32 - long term build
1982 euro porsche 930 turbo
"A less- assuming enthusiast probably wouldnt even think that this Z ran because of how naked the engine compartment was. The motor looks as if it just floats there, with nothing else in sight." Super Street 9/2012
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