Quote:
Originally Posted by orengomotors
I want to start making the mold this week.
I need your advice:
- what would be better: make the mold as a separate piece or make the mold on the actual car?
-how would you make the mold?
-the shape can be drawn and sculpted by hand, or has to be precise and is better to cut it with the laser machine? in this case,How can I draw it this way with the software?
thank you,
|
*The official way is to make a plaster ( Portland cement-based) male mold off the car from which molds can be made,in which the actual body parts are created with wet layups of some sort of composite,or a pre-preg fiber/epoxy fabric (whatever fits your budget).Pre-preg usually requires a post cure in a vacuum autoclave.
*For a lower-cost alternative:
*put a protective barrier film on your car chassis
*fabricate your shell from cardboard and masking tape armature as best you can
*fiberglass directly over the cardboard armature (wet layups of Polyester resin with fiberglass cloth/mat)
*when the resin is cured,pry off the shell and throw it in a tank/pool of water to dissolve away the cardboard, leaving you the fiberglass shell.
I did my Honda CRX this way.
*