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).
Radiator and acceleration tests conducted at Brooklands.
| Identifier | ExFiles\Box 24\5\ Scan372 | |
| Date | 31th October 1930 | |
| COPY. X766. To Rm.{William Robotham - Chief Engineer} From G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Radcliffe. 29/31.10.30. X. 788. X. 766. X. 7250. 19-EX. RADIATOR TESTS ON BROOKLANDS. Figures given are average max. attained (2 tests each). Std. Round Tube Rad. Std. Round Tube Rad. E.{Mr Elliott - Chief Engineer} 80239. 4 Dents. 8 Dents. Square Tube Rad. 8 Dents. ____________________ ____________________ _____________________ (41) (42.5) (38.5) 60 A.C. 74 65 15 72.5 63.5 15 72 63.5 11.5 (33) (34) (32) A.O.A.C. 82.5 72.5 15.5 81 71 15 80 70 12 (40.5) (41.5) (40) A.O.V.L. 74.5 65 15.5 73 63.5 15 72 62 12 Figures in brackets are critical ats. temperatures. Acceleration Tests with various water temperatures. Figures given are average of 3 tests each. Both ways. Temp. 10 - 20 MPH. 20 - 30 MPH. 30 - 40 MPH. 40-50 MPH. 60°C. 4.47 4.85 5.43 5.93 70°C. 4.33 4.49 5.23 5.66 80°C. 4.25 4.5 5.17 5.87 Hs{Lord Ernest Hives - Chair}/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Radcliffe. | ||