HOW TO – Large scale mold making

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HOW TO – Large scale mold making

This is the first part of what should be a great howto series on large scale mold making.

We’re making an HPV! That’s human powered vehicle ;) We are required to have at least 1/3 of our frontal area covered by a fairing (a fairing is just an aerodynamic shell — like your car’s outer skin). We’re going for a fully enclosed (aka “sealed”) fairing.

To tackle this manufacturing problem, we will be making a “female” negative mold. Similar to how casts of fish are made. To make this mold, we first need to make a positive “male” plug.

Learn how to make a large mold positive for a bicycle fairing out of high density foam –Link.

There’s also a time-lapse video of the process here –Link.

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