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With the resin in prepreg being around 40% of the carbon weight, a 1:1 wet lay carbon/resin ratio adds a fair bit of weight to the part. Vacuum bagging using perforated peel ply and at least 2 layers of breather cloth will reduce the amount of excess resin, resulting in a stronger and lighter part. Too much resin is almost as bad as not enough :-)
I progressed from wet lay to prepreg, bypassing infusion so I have no experience of this process.
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