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).
Summary comparing the cooling performance and weights of different radiator matrices.
| Identifier | ExFiles\Box 87\1\ scan0162 | |
| Date | 8th August 1935 | |
| Hs{Lord Ernest Hives - Chair}/Std.1/KW. 8.8.35. Summary of Radiator Matrix Comparisons. Cooling. Matrix. Mark V.{VIENNA} Mark VI. Dissipates 9% more heat than Mark V.{VIENNA} American Harrison Vee Dissipates 14% more heat than Mark VI. Weights. Mark V.{VIENNA} 31.5 lbs. (58 m.m.). Mark VI. 29.3 lbs. (52 m.m.). American Harrison Vee 26 lbs. (52 m.m.). Bentley shape and size matrix. Hs{Lord Ernest Hives - Chair}/Std. | ||