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).
Obtaining and fitting spare pistons for a 4-B-IV engine.
| Identifier | ExFiles\Box 3\6\ 06-page231 | |
| Date | 28th September 1934 | |
| To HIC. +4573 Ha/Rm{William Robotham - Chief Engineer}/18/KW.28.9.34. 4-Bearing Crank Engine. 4-B-IV Engine Pistons. We are obtaining two spare pistons to replace the two that were cracked out of B-7 unit after 10,000 miles running in France. When these arrive we want to fit this set of pistons to the 4-bearing crankshaft engine. If they are not here by the time this engine is ready to be assembled, will you please fit standard pistons. Ha/Rm.{William Robotham - Chief Engineer} | ||