Work on the molds has to wait while I'm waiting for new materials, but I can use the time to work a bit on the PE sheet that I plan to make for the detailing of the boat....
S.M. U-1 (a new RC project)
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History repeating...the same sermon for the fourth and final quarter of the mold. Setting the Indexing pins and thread insets, building the wooden box, putting down in the surface resin and then, while the resin still is sticky, apply cotton flakes to create a coupling layer for the GRP that will be laid down later.
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After a few weeks, 7 kg epoxy resin, 2 kg of surface resin, 2kg of glass fiber fabric and 22 liters of filling medium, the master of the S.M. U1 submarine, Germanys first military sub from 1906, is firmly entombed in its mold. Doesn’t look spectacular, but when everything went well, these will be excellent and robust molds to make a few hulls from. I‘ll wait a few more days to give everything a bit more time to cure before the most exciting part of the process is due: the opening of the molds.
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This should be playing in the background https://youtu.be/e-QFj59PON4?si=idU9tC--x4lXW759Make it simple, make strong, make it work!Comment
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Opened the mold and removed the master of the U1. Did not go smoothly as the master got stuck, but in the end some persuasion with a hammer helped. Molds are O.K., not perfect, but I‘m confident that I‘ll be able to produce nice hulls out of it. Next is the application of the GRP backside and then we're in busyness.
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