SB Centaur is a wooden Thames sailing barge, built in Harwich, Essex, England in 1895. She was used to carry various cargoes, mainly grain, for the next 60 years. During the First World War she carried food and coal to the French Channel ports. During the Second World War Centaur was damaged when sailing to assist with the Dunkirk Evacuation. She did war work for the duration of the conflict.

SB Pudge is a wooden Thames sailing barge, built in Rochester, Kent, England in 1922. Her hull was pitch pine on oak frame. She was originally spritsail rigged with bowsprit. An auxiliary oil engine made by The Bergius Co.Ltd of Glasgow was installed in 1932. She was used to carry various cargoes for the London & Rochester Trading Co until 1968, when she was bought out of trade by the Thames Sailing Barge Trust. Her last cargo was pineapple juice.