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HMMWV (Humvee) Pinewood Derby Car

Step 5Sanding, gluing, filling sanding some more.

Sanding, gluing, filling sanding some more.
Before gluing everything together, it is use a sander to take down all of the nicks from the saw and to help shape it. After everything is roughly sanded, ti is time to glue. Spread a thin film of glue over the piece to be glued. Adjust the pieces so that they fit properly, and let the glue dry. Let the glue cure for eight to twenty-four hours.

Now it is time to file the seems and any low areas. (think of this as Bondo for your pinewood derby. It will make the finished car look so much better).

After the filler is dry, start sanding. We used a palm sander with 80 grit just to knock the filler down, and then started hand sanding with 120 grit. Then we moved up to 220 grit. At this point your car should be fairly smooth.
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