Miss Britain III
is a racing power boat designed and built by Hubert Scott-Paine
, a British
aircraft and boat designer.
During 1932 Hubert Scott-Paine, owner of the British Power Boat Company
and already a noted power boat racer, asked Rolls-Royce
for a (2,500 hp) Rolls-Royce 'R' engine
which had powered the winning Supermarine S6B
entrant in the 1931 Schneider Trophy
challenge. He was planning a single-engined challenge to Garfield 'Gar' Wood
who held the Harmsworth Trophy
with his Miss America X
speedboat, a monster of with 4 engines totalling 7,800 horsepower
. No engine was then available so there the matter rested.
In February 1933, with the success of his Power-Napier engine to which he had exclusive rights, Scott-Paine issued his challenge for the Harmsworth Trophy. Within a period of less than ten weeks he had designed and built Miss Britain III
in conditions of great secrecy at his Hythe
workshops. The result was revolutionary, with stringers of metal-reinforced wood and aluminium cladding, a single Napier Lion
VIID engine, and a length of only The attention to detail is evident in the thousands of duralumin countersunk screws with the slots all in line with the water or air flow. George Selman
, one of the country's leading propellor experts, designed a new propellor after the existing designs proved unsatisfactory. Testing was carried out in great secrecy on Southampton Water
in the early dawn.
The team sailed for America in August 1933 and the contest was... Read More