To bond the hub to the slightly larger hexagonal cutout in the foam, two layers of unidirectional carbon fiber with a layer of soric in between were first wet-laid (resin/hardener mixture evenly distributed on carbon fiber) on the hub. Then a piece of visqueen was wrapped over the carbon fiber to protect it as it was pulled through the cutout. The visqueen was discarded after the hub was pulled through so the resin and carbon fiber could bond to the foam.
Carbon Fiber Infusion
The carbon fiber infusion process begins by preparing the carbon fiber and soric to be laid onto the foam core as mentioned before, then actually layering it on the foam as can be seen in Figures 7.3 and 7.7a, respectively.
