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).
Test report on water and floorboard temperatures with an enclosed engine.
| Identifier | ExFiles\Box 75\4\ scan0077 | |
| Date | 11th June 1912 | |
| A.{Mr Adams} Barrington X819 [Stamped: JUN 1912] 11/6/12 Test of water and floorboard temperature with the engine enclosed past the fan so that the air drawn through the radiator passes out at the space between the temporary bonnet and radiator. Standard radiator used, dashboard filled in, bonnet louvred, two large holes made on the engine side guards so as to have same effect as louvred side guards. 1. 25 to 30 miles per hour average running, average road slightly trailing wind. Atmos temp. Water temp. Floorboards temp underneath Floorboards temp on top. Start 66 F 60 C 22.5 C 20.5 C 64 72 24 20 | ||