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).
Record of temperature readings taken during a hill climb test of an E-type chassis from Macclesfield to the Cat & Fiddle.
| Identifier | ExFiles\Box 75\4\ scan0066 | |
| Date | 8th September 1911 guessed | |
| Tests taken on E type with scuttle & side doors chassis 1948, from Macclesfield to Cat & Fiddle brakes used so as to keep 25 m.p.h full throttle all the way up, Fair wind across. [Columnar Data] Atmospheric Temp. | Water Temp. | Floorboards on Top | Floorboards Underneath | Unlabelled | Unlabelled 16° | 16° | 71.5° | 71.5° | 24" | 18.5" | 42° | 26° 16° | 16° | 73° | 73° | 24" | 18" | 41° | 27° 16° | 15° | 78° | 78° | 24" | 18" | 40.5° | 27° 16° | 15° | 82.5° | 82° | 25" | 17.5" | 41.5° | 27° 16° | 14.5° | 85° | 85° | 25.5" | 17" | 42° | 27° 15.5° | 14° | 88.5° | 88° | 24.5" | 16.5" | 43° | 27° 15° | 14° | 90° | 90° | 24.5" | 16" | 43.5° | 27.5° 15° | 14° | 91.5° | 92° | 24.5" | 16" | 44° | 27.5° 15° | 14° | 94° | 94° | 25.5" | 15.5" | 45.5° | 28.5° 15 | 14 | 95° | 96° | 23.5" | 15" | 46.5° | 27.5" 15 | 14 | 97° | 97° {boiling} | 24" | 15" | 47° | 27.5" [Notes] Standing to start Readings taken every minute Black figures standard car Red figures dash filled in & ventilated side guards see over | ||