Glen-L 13
Construction Pictorial
Fig 5: The building form consists of two longitudinal 2" x 4"s leveled both lengthwise and athwartship.
Fig 6: Frame #3 is mounted on the forward end of the building form. The position of Frame #1 is determined by the centerboard trunk/bed-logs assembly.
Fig 7: The stem-breasthook assembly is aligned carefully in position by the use of a chalk line extending over the center of the frames.