Products used in this How To:
Casting a Slot Car
are now ready to cast your first slot car body. Mix equal amounts
of Alumilite Regular into a paper cup. (Remember to always preheat
your mold in a microwave for a minute on high or in a conventional
oven for 20-30 minutes at 140 prior to casting - this will help
the thin sections set up properly) Also, make sure to shake the
'B' side if using Alumilite Regular before measuring.
the resin is mixed thoroughly, slowly pour the resin into the mold.
Fill the cavity to the bottom of the car body.
the second half of the mold and slowly lay it into the first cavity
to squish the excess out. You can see we also poked two holes in
the top of our mold to help vent the two mounting stems on the
inside of the car. You can do this by taking a small brass tube
and twisting it up from the point in the mold where the two stems
are located. This will allow the resin and any trapped air escape
from that point.
approximately 7-10 minutes to demold. You should be able to tell
the resin is solidified from the excess that was squished out of
the mold. If your parts are taking longer than 10 minutes to demold
and/or if the parts are soft when demolding, try warming your mold
up more prior to casting.
the two halves of the mold to remove your cast piece.
your cast piece and trim the flash off with an Exacto or Excell
now have an exact replica of your original slot car body.