According to the list of past Champions in the yearbooks, the winners were
|2nd||D. Wines||1086||Jaunty Jen|
Oddly in the British Pathe newsreel they list Pat Edyean and Veronica Moore of Plymouth in dinghy No 7 as the eventual winners. It's possible Pat Edyean and Veronica Moore won the race on the day the film crew visited, rather than the whole championship.
Boats were kept in what is now a car park adjacent to the now defunct Mayflower Sailing Club on the Barbican and launched down the adjacent slipway.
There are also some photographs by Eileen Ramsay, 71366 & 71364 are of this event, hover your cursor to see an enlarged view & details.