Thanks for the detailed instructions, very helpful! I still have a few Bondo spreaders but with this super low viscosity resin I guess a brush is the easier way to go.
I dug out my old project material and I found a roll of Carbon/Kevlar twill and a roll of glass fiber twill fabric. My wife tells me that I am a hoarder, not sure why...
While the black and yellow Carbon/Kevlar really looks cool, I will go with the glass fiber since it is easier to check the wetting and bubbles. Also, sanding Kevlar composite is near impossible without a lot of fuzz.
Last time I used that stuff was for a similar catamaran some 30 years ago, although back then with wooden hulls. So I after 30 years I am bit out of practice with the lamination business...
Anyway, I put a first thin sealing coat on the rudder blades today as recommended and will add a layer of the glass fiber tomorrow. There were bunch of bubbles but the torch did not work as intended. While waving the flame burst the big bubbles, the heat apparently made the wood expel more air and I ended up with hundreds of tiny bubbles. A few strokes with the brush removed most of that and I will sand the surface smooth before proceeding.