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 of the G II 20 H/P engine unit, detailing fitted components and total weight.
| Identifier | WestWitteringFiles\K\September1923\ Scan73 | |
| Date | 24th September 1923 | |
| 8 G II ENGINE UNIT. EXHAUST MANIFOLD, DYNAMO MAGNETO & STARTER MOTOR FITTED. CARBURETTER NOT FITTED BUT ALLOWED FOR BY CALCULATION AFTERWARDS. TOTAL WEIGHT OF ENGINE UNIT 651 LBS 1. 2. 3. 4. 5. 6. 5.46° 4.37 .86 ROLLS-ROYCE, LIMITED PRINT ROOM 24 SEP. 23 DERBY 20 H/P ENGINE | ||