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).
Heat test report for chassis 774, detailing temperature readings on different dates.
Identifier | ExFiles\Box 78\3\ scan0004 | |
Date | 3rd October 1908 | |
R.R. 148 (5H) (M.C. 6599. 16.3.08) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 5639. Heat Test by Lowe. Chassis 774 3500X496 3/10/08 Special radiator, round tubes, no gills. Window closed. Floorboards Radiator Atmosphere Running 15 mls. 120°F.{Mr Friese} 89°C. 64°F.{Mr Friese} Standing 10 mins engine running} 130°F.{Mr Friese} 98°C. on hill through Ashbourne for Buxton} 118°F.{Mr Friese} 100°C. Water boils on long hills & steams a lot. 5/10/08 16 mls run 90°C. 55° Ashbourne Hill 96°C. After 60 mls run. At Derby 103°F.{Mr Friese} 84°C. Water inclined to boil but not so bad as on 3/10/08. I did not steam on Ashbourne Hill. foot board hottest when stood still - reduces when running. | ||