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).
Comparison of three different radiator matrix specifications, detailing their frontal area, weight, water capacity, and total weight savings.
| Identifier | ExFiles\Box 88\3\ scan0099 | |
| Date | 19th January 1935 | |
| x258 19.1.35. (1) Frontal area of standard matrix - 471 sq.in. (2) " " " N.Sch.4235 " - 396 " " (3) " " " shortened expt. Matrix - 356 " " (1) Weight of standard shape matrix in Harrison Vee 31.5 LBS [handwritten below: 28 lbs.] (2) Estimated weight of N.Sch.4235 shape matrix in Harrison Vee 28.25 LBS [handwritten below: 24.4 "] (3) " " shortened exp. matrix in Harrison Vee 25 LBS [handwritten below: 22 lbs.] Weight of water in (1) 13.75 lbs. " " " " (2) 11.50 " " " " " (3) 10.40 " Total saving over standard radiator with (1) - 15.3 lbs. " " " " " (2) - 22.1 lbs. " " " " " (3) - 25.6 lbs. Hs{Lord Ernest Hives - Chair}/Std. | ||