I continued with the lower hull and added the propeller shafts and their supports. The supports are 3D-printed. I was clever enough to mark the positions on the masters where the support struts meet the hull and where the shafts run through the hull. So no big marking issues on the glass fiber parts, just drill and glue. Fixed everything with super glue and the cemented the shafts into place using epoxy.
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What I like about 3D printing is the flexibility it provides to make quick adjusrments. I gound out that there were feedthroughs where the propeller shafts left the hull. So I made CAD models of them, printed them, and here they are. Quick and precise.
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Doesn't look like much, but it was quite some work. After gluing the bulkhead into the upper deck I used my Dremel drill press mount and a cutting wheel to cut the limber holes into the hull. Worked quit O.K.. I hope that I won't have to make too many touch ups. To align the deck with the lower hull, 3 mm styrene profiles were glued to the deck and the inner part of the lower hull trimmed to give a good alignment when put together. Then I glued the control planes and stabilizers into the lower hull, as well as some M5 screw for the mounts. Finally I removed the wash boards. They will be replaced by more exact replicas later.
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