here are a few photos of the construction. The main hull is of 75mm plastic pipe, and the stern plank on frame. At the momment I am working on the hydroplanes and rudder linkages so I can have the option in the future for R/C. Hense the gap in the planking.
The plans I used were for the U 212 class altered and extended by 59mm for the scale.
I hope you like it
