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).
List of the cooling system capacities for the Phantom II, 20/25 HP, and Bentley models.
| Identifier | ExFiles\Box 105\1\ scan0213 | |
| Date | 26th September 1934 | |
| x5250 26.9.34. Capacities of Various Car Cooling Systems. (1) Present Standard Phantom II :- (Radiator & fittings - LOP.E. 81407) Water capacity of complete system - 5 galls 5 pts. " " " radiator - 3 " 2 " " " " engine, pipes, etc. - 2 galls 3 pts. (2) Present Standard 20/25 HP. (Radiator & fittings - LOP.E.56831. Water capacity of complete system - 3 galls 5 pts. " " " radiator - 2 " 3 " " " " engine, pipes, etc. - 1 gall. 2 pts. (3) Present Standard Bentley. (Radiator & fittings - LOP.EB.1224) Water capacity of complete system - 3 galls 3 1/4 pts. " " " radiator - 2 galls 0 pts. " " " engine, pipes, etc. - 1 gall. 3 1/4 pts. Hs{Lord Ernest Hives - Chair}/C.S.Steadman. | ||