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).
Agreement on the 5.5' X 6' engine dimensions, establishing the Griffon engine with a 30% capacity increase over the Kestrel.
| Identifier | ExFiles\Box 179b\1\ img172 | |
| Date | 17th November 1932 | |
| HS.{Lord Ernest Hives - Chair} FROM R.{Sir Henry Royce} c.c. to SG.{Arthur F. Sidgreaves - MD} WCR. RG.{Mr Rowledge} F.{Mr Friese} ORIGINAL. AERO ENGINES. (HS{Lord Ernest Hives - Chair}1/MJ151132.) R1/M17.11.32. Y2917 RG.{Mr Rowledge} and I have agreed to 5.5" X 6", being almost exactly 30% increase in capacity on the Kestrel, and will then be 1700 cu. ins., and 30% on to this brings us to the 'Griffon'. R.{Sir Henry Royce} [STAMPED: REC'D NOV 18 1932 Hs{Lord Ernest Hives - Chair}] | ||