Stiletto
Construction Pictorial ...Page 11
Fig 31: The motorwell knee fastens to the carling and to blocking on the transom. If high power motors are to be used, this knee may also extend and be fastened to blocking on the bottom batten.
Fig 32: The athwartship brace rests on top of the transom knee and butts to the motorwell knees.
Fig 33: The 3/8" plywood motorwell bottom rests on top of the athwartship brace and fastens to the underside of the motorwell beam and to the blocking on the coaming that the builder is installing in the photo.