Prototype Body Experiments

With the prototype frame fully rolling with brakes and all, I was able to go ahead and start framing up the body. Back in December I ordered 60ft of 0.5" OD steel tubing with 0.035" thick wall (very light stuff), that I planned to use as the space frame for the body. The next question was what to cover it with. After debating fiberglass, balsa, and remote control aircraft covering, I ended up deciding to try out PVC boat shrink wrap. I went to Hern Marine in Fairfield and discussed the project with them, and ended up leaving with plenty of shrink wrap to experiment with in three colors! Thanks to the guys at Hern for their support.

We didn't waste any time experimenting with the shrink wrap on the prototype frame. The first thing we did just to try it out was boxing in the front sides of the frame. Some tape around the edges, some patience with the heat gun, and the result was a drum tight, smooth surface!

Taping a piece on the side

Hitting it with the heat

After Shrinking

Feeling confident from the first try, we covered the other side. But we didn't stop there. We went ahead and used the small steel tubing to create a rear "lower cage" and then shrink wrapped that. We then formed the rear "upper cage," which is removable.

Checking the canopy with the prototype sides

The rear "upper cage" prior to covering


Covered and ready for shrinking

Rear "lower cage" covered and shrunk

Car with prototype tail put together

Check out the LED taillight

 
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