From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Blueprint showing a cross-sectional drawing of a B.HP Piston with dimensions.
Identifier | ExFiles\Box 148\3\ scan0056 | |
Date | 26th October 1928 guessed | |
B. H.{Arthur M. Hanbury - Head Complaints} P. PISTON 94 34 27.5 21 14.5 8 18 dia 70 130 60 20 20 4 1/4 dia Bore 1 lb 14.5 APPROX. WEIGHT OF PISTON AS DRAWN = 1 3/4 - 2 lbs. ROLLS ROYCE PISTON. SK. 555 | ||