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).
Alterations required for a 20HP G.3 engine to accommodate a 3.250' bore.
| Identifier | WestWitteringFiles\T\March1929-December1929\ Scan105 | |
| Date | 27th April 1929 | |
| BY.{R.W. Bailey - Chief Engineer} FROM E.{Mr Elliott - Chief Engineer} C. to SG.{Arthur F. Sidgreaves - MD} HS.{Lord Ernest Hives - Chair} SECRET. ORIGINAL E1/M27.4.29. 20HP. G.3. ENGINE- ALTERATIONS REQUIRED FOR 3.250" BORE. X 5050 X 5770 Please find attached drawing LeC. 2696., shewing the above. E.{Mr Elliott - Chief Engineer} | ||