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An Invited Friend of the Harrison Butler Association
Designed using Harrison Butler's Book
(Cruising Yachts: Design and Performance, 1st Edition, 1945)
Yam Seng under construction, c1946
Epic Voyage of 1948
Major JW Bossard wrote of Yam Seng that “I designed my dream-ship with the help of T Harrison Butler's little book, Cruising Yachts, and built her with Japanese and Chinese labour”. Along with three crew he then sailed her from Singapore to Portsmouth, a voyage that took six months and an account of which was published in two parts in Yachting Monthly, January and February 1950.
Press cutting fromThe Singapore Free Press, 20th July 1948
She was a large boat of 43 feet overall length and 12 feet in the beam, and so clearly a scaled up and heavily modified version of Harrison Butler's Sinah design, the canoe stern replaced with a transom. Aside from the 1948 voyage itself, little is known about Yam Seng. However, in April 2018 she found to have been briefly Lloyd's Registered between 1948 and 1951. In 1952 she was “Sold to USA”.
Yam Seng's hull form and sail plan
Yam Seng Statistics
Built : 1947 by JW Bossard, Singapore
LOA : 43' 0"
LWL : 38' 0"
Beam : 12' 0"
Draught : 6' 5"
Displacement : 22 tons TM
Lloyd's Register : N° 173120
Signal Letters : ZBPL
Yam Seng Custodians & Home Ports
Major JW Bossard MBE RE (1947-1951-?) Portsmouth
Yam Seng Links
• None found (April 2018)
Page last updated : April 2018