pyro,
The glass fabric is placed dry in the mold, (form), along with a material to assist in the flow of the resins. The mold is then bolted closed and the resin is injected under pressure (RTM) or with vacuum assist (VARTM). Most of the molds I have seen pics of on the internet have been to where you could see the resin flow. The problem I have read ,that is the biggest for the beginner/home user, is not getting enough saturation in the fabric which results in a scrap part.
RTM can be done with machined metal molds or composite molds, but they have to be made right. Unless you need a ton of parts the easiest way to do your part is with vacuum bagging. Do you have a 3d model of the part you want? If so, and if you do not have a way to make it send me either a sketch, screen shot or the file in either iges, dxf, stl or 3ds and I will take a look at it for you. If it is something I can do quickly I'll give you a price if you want it.
Mike Turner
you can link to my email or pm me by clicking on my user name.
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