Gallery, Projects and General > How do I??

Plastic injection molding ( moulding?)

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awemawson:
 :clap: :clap: :clap: :clap:

Two countries divided by a common language !

WeldingRod:
I would take your master part, smooth some wax into all the blade base corners to get a radius in there, and re-do the mould.  Then cut some small pieces of paper and fold them so that the go to the end of each blade and turn the corner into the disc.  Lay down a fiberglass doughnut and your core.  Pour in low viscosity resin!

Or, with slow resin, dip each paper bit before slotting it in.

The various fiber bits will provide a lot of reinforcement.

You might balance and spin test them in a steel pipe before final installation.

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