4. Looking directly back to transom. 1 1/2" x 1 1/2" cedar stiff arm or beam on right hand side of picture. Beam glassed on both sides, but not on bottom. 1/2" air space under beam.
4. Looking directly back to transom. 1 1/2" x 1 1/2" cedar stiff arm or beam on right hand side of picture. Beam glassed on both sides, but not on bottom. 1/2" air space under beam.