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).
Crankshaft specifications for left-hand Phantom engines to be used in tanks.
| Identifier | ExFiles\Box 25\1\ Scan042 | |
| Date | 28th August 1933 | |
| Hs{Lord Ernest Hives - Chair}/GRY.{Shadwell Grylls} from E/JNR.{Charles L. Jenner} E/JNR.{Charles L. Jenner}1/HP.28.8.33. 40/50 Engines in Tanks. We thank you for your Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}10/MA.24.8.33 giving particulars of the Phantom 2 crankshaft, etc. It now appears that left-hand Phantom engines will be ordered, and in this case the diameter of the crankshaft is 2.625" and the shaft has no balance weights, therefore, we should be pleased if you will give us another set of figures. Arrangement of crankshaft E.79739. E/JNR.{Charles L. Jenner} | ||