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).
Road test in the French Alps, detailing engine performance and cooling.
| Identifier | ExFiles\Box 24\5\ Scan177 | |
| Date | 28th June 1929 | |
| HOTEL MAJESTIC GRENOBLE Téléphone: 3-90 Télégrammes: MAJESCOTEL-GRENOBLE Même Direction AUTUN Hotel St.{Capt. P. R. Strong} Louis et de la{L. A. Archer} Poste BOURG-EN-BRESSE Hotel de France SAULIEU Hotel de la{L. A. Archer} Poste A.{Mr Adams} BONNEAU, Directeur-Général Même Administration NICE Hotel Ruhl et des Anglais Hotel Plaza & France Hotel Royal Savoy Palace PARIS Hotel de Paris Restaurant Viel La{L. A. Archer} Pomme d'Api (Rue Tronchet) CANNES Hotel Majestic To, Mr Hives Expt. Dept. Dear Sir, Our run on the Rolls today has been up the Col du Laffrey and down to a town called Gap. The height of the Col du Laffrey is 3100 ft, and the road is such that we were able to run for most of the way all out in 3rd Gear at an average speed of 35 MPH. Going up the steepest portion our water temperature reached 97 1/2 °C, but did not boil in the radiator and no water was lost. The atmospheric temperature was not taken, but it was | ||