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).
Drawings LeC.3585 and LeC.3591 for the J.3 Engine, detailing a change in timing gear location.
| Identifier | ExFiles\Box 5\1\ 01-page175 | |
| Date | 4th August 1933 | |
| RS{Sir Henry Royce's Secretary}770 To BM. from K/JNR.{Charles L. Jenner} K/JNR.{Charles L. Jenner}1/HP.4.8.33. c. Wks. No. MMC. re J.3. Engine. We send you herewith: LeC.3585 and LeC.3591 shewing the crankcase, crankshaft, starter motor and drive, arranged with the timing gears at the front of the engine instead of at the rear, as formerly. K/JNR.{Charles L. Jenner} | ||