The first graph shows the mass of filler that had to be added to epoxy to make a usable mix for filleting. The tallest bar is the ash. It was by far the heaviest. I can barely lift a 5 gallon bucket full. I have used the bucket several times in place of clamps.
The second graph shows water absorption by the different mixtures. The fourth point is plain epoxy, so I can only suggest that those fillers before either take the place of epoxy or are hydrophobic.
Finished the tiller with 5 coats of varnish. I love varnishing. The smell, the smoothness of the finish. Assembled the rudder temporarily with screws.
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