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This is what we'll be
starting with. George sent this up and asked if we could duplicate it,
just with the sizes and offsets that would work for us. We think they
are old Divco Milk Truck wheels. When it comes to parts like this,
we've always relied on Mike Fossbinder and his crew at Fossbinder
Fabrications in Moline, Illinois. He has the equipment and know how to
make items like this happen. We will be making these a two piece wheel,
since the original was made this way. This will allow us to get a
perfect 90 degrees where the spokes meet the outer rim. We are going to
make 16's and 18's. We first drew up the 16's, then upsized everything
to do the 18's. This way, everything grows in proportion (rather than
just the spokes, etc). This should make for some really nice looking
wheels.
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We started on the
centers first. Here's the beginnings - we have 4 pieces that will
eventually be the spoked centers.
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First area to be
machined is the bolt pattern and area for the centercap. This will
provide us an area to bolt down the piece when machining the spokes.
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Now we need to make
it round (along with having the proper "dish"). This lathe will do
that in minutes.
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Here's the finished
piece waiting to machine the
spokes. |
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Once the program
was written to do the spokes, Mike thought it would smart to test on a
piece of wood. This way, we can do some refinement if needed without
costing us a piece of aluminum.
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Here's the finished
piece of wood. We are now satisfied with the finished product and we
can move on to the aluminum.
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Now on to the
aluminum. Because we wanted a really nice finish, this mill has to make
many passes before the spokes are complete. It's really pretty cool
watching this thing work. |
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About half way there
(with the centers that is)! |
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Because
we wanted the wheels to look as close to the originals as possible, we
went ahead and made our own hoops also. This way backspacing issues
were not a problem. This machine turned to these blocks into rims in
no time.
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Here's the finished
pieces - you can see they are nicely proportioned. Next we need to make
the center caps, which will also be proportioned correctly from front to
back. |