The YODs are constructed of carvel Canadian red pine planking copper fastened to steam bent rock elm frames, with a keel of English elm and grown oak floors. The 13 cwt (662 kg) cast iron ballast keel is fastened through the keel and floors with eight ¾ inch (19mm) diameter iron bolts. The rudder blade, transom aft deadwood and sternpost are English elm.
LOA 20 ft 10 ½ in
LWL 17 ft 3 in
Beam 6ft
Draught 2 ft 7 in
Sail Area 200 square feet