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).
Table of corrosion observations from tests on experimental cars.
| Identifier | ExFiles\Box 94\3\ scan0282 | |
| Date | 21th February 1938 guessed | |
| CORROSION OBSERVATIONS ON EXP: CARS. SHEET 2. CONDITION OF TEST & CAR TESTED. WHETHER IRON HOT SPOT FITTED WHETHER STEAM VALVE USED. WHETHER CORROSION INHIBITOR USED. MILEAGE COVERED UNDER OBSERVATION. TIME DURING WHICH OBSERVED. REMARKS Row 1: CONDITION OF TEST: ① 32 Ex: - 15000 MILES TEST IN FRANCE. CERTAIN AMOUNT OF FRESH WATER ADDED DUE TO LOSS DUE TO BOILING. IRON HOT SPOT FITTED: NO. STEAM VALVE USED: YES. CORROSION INHIBITOR USED: YES. MILEAGE: 17,000 TIME: 3 MONTHS. REMARKS: ONLY SMALL AMOUNT OF CORROSION - NO CHOKING OF MATRIX. Row 2: CONDITION OF TEST: ② 34 EX: - LONDON TO NAIROBI & BACK DEMONSTRATION RUN. NO WATER ADDED THROUGHOUT MILEAGE. IRON HOT SPOT FITTED: YES. STEAM VALVE USED: YES. CORROSION INHIBITOR USED: NO. MILEAGE: 13,000 TIME: 2 MONTHS. REMARKS: VERY SMALL AMOUNT OF CORROSION - LESS THAN IN ① NO CHOKING OF MATRIX. Row 3: CONDITION OF TEST: 35bis EX: - 15,000 MILES TEST IN FRANCE - VERY LITTLE ADDED THROUGHOUT MILEAGE. IRON HOT SPOT FITTED: NO. STEAM VALVE USED: NO. CORROSION INHIBITOR USED: NO. MILEAGE: 20,000 TIME: 3 MONTHS. REMARKS: SOME CORROSION BUT NOT SERIOUS - NO CHOKING OF MATRIX. Row 4: CONDITION OF TEST: ④ 39 EX. - RUNNING IN ENGLAND. (PRESSURE COOLED SYSTEM FITTED) NO WATER REPLENISHMENT. IRON HOT SPOT FITTED: NO. STEAM VALVE USED: YES. CORROSION INHIBITOR USED: YES. MILEAGE: [BLANK] TIME: [BLANK] REMARKS: VERY SLIGHT CORROSION ONLY LESS THAN IN ① ABOVE. NO CHOKING OF MATRIX. NOTE :- CORROSION REFERRED TO IS CORROSION OF ALUMINIUM C/CASE & CYL: HEAD WATER JACKETS. | ||