Here you can find digital touched up scans of the original paper drawings for the boat used by the builder in 1958 or perhaps a year or two later.

Technical details taken from the drawings:

L.o.d. 6.05m (length outer dimensions)
L.w.l.? 5.50m (length waterline)
Beam 1.70m
Draft 0.13×1.45m?
Weight stripped 12(5)kg?
Weight complete 16(9)kg?

Construction Plan 300dpi

Body Plan 600dpi

Mast 600dpi

Construction Plan 2 300dpi

Sail Plan 300dpi