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).
Water boiling test during three ascents of Broccome Pass under different cooling configurations.
Identifier | ExFiles\Box 78\3\ scan0030 | |
Date | 13th September 1912 | |
Mr Barrington. REPORT OF TEST ON BROCCOME PASS. WATER BOILING Road. Good surface, winding, nine wide hairpin bends. Grade varies from 9 to 10%. Length 9 miles. 2nd gear used throughout. Weak mixture. 1st ascent Plate off | Air tempt. bottom summit | Loss of water. | 27 c 12 c | 2 1/2 ltrs. 2nd ascent. Plate on | 24 c 10 c | 4 ltrs. 3rd ascent. Plate on bonnet off | 20 c 8 c | No water lost water temp. 84 c | ||