Hi Mark,
What you are seeing is the difference between batches for how the
machinist chose to setup the first machining operation. There will be
lots of variation there. Ideally the first piece casting gets layed out
to insure there is sufficient material for the subsequent operations and
satisfy all of the dimensions. I haven't heard of a broken rear hub, but
to answer your question, the thinner web is probably weaker. If you're
not confident with that one you should replace it. BTW most of the
Spridgets that are raced do not use stock hubs. Replacement hubs are
machined from steel so that an extra bearing can be added to provide
stability and safety, and the flange is thicker and uniform all the way
around.
John
Fogelsville, PA
Mark wrote:
> I sent this message to the list a couple days ago and didn't even get a
> "stop worrying and go drive your car" response. Maybe it didn't make it out
> of cyber space...
>
>
> Guys,
>
> I have two rear wheel hubs that I have cleaned up for installation. Both
> have the same part number (2A7088) but one has a thinner "flange" than the
> other. All of the other dimensions are the same. Question: Is there any
> difference in application or is the thinner one really any weaker than the
> thick one? Maybe I should put the thick one on the right side? A picture
> of what I am seeing is at the following link:
> http://www.nashvilletn.org/Bugeye/hubs.jpg
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