I don't know how we could replicate that for cars..... Most steel wheels on cars don't provide a very deep dish to attach the inner ring to. I would think that it wouldn't be so bad to make something with a fairly rigid outer edge that clips onto the lip of the rim kind of like a wheel weight. Then you could use a light flexible plastic dish. Then you could even make them dished if you want, and then you can fit them over most aluminum wheels, which would be ideal. Weight savings and aerodynamics.
Maybe I should rush to the patent office.....
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Originally Posted by trollbait
They're too expensive for Wal-mart trailers.
They are still around for cars, but that plastic one is easier to remove for checkimg the tire air pressure on a semi.
How about using shrink wrap, like window insulation, on the wheels?
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Not only that, but I can give you three more good reasons to use those on heavy duty trucks instead of the solid metal ones.
Those leave a window so you don't have to remove your hubcap for inspections. A lot of trucks use hub odometers or have indicators on the hubs for axle oil level.
Solid metal hubcaps scratch aluminum wheels.
Aluminum wheels save you almost 200 lbs of weight per axle, and in the trucking industry, little savings add up. So, again, why put metal hubcaps on and add to the weight, since most of the reason for the metal hubcaps is to make those steel wheels tolerable to look at. Those little plastic things weigh under a pound versus 4 lbs for metal "moonie" hubcaps. 8 axles on truck and trailer not including the steering axle, two hubcaps per axle, that is 100 lbs more of unwanted weight that could have been cargo or fuel savings.
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