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).
List of ten points to be noted for radiators, with a detailed explanation of corrosion issues.
| Identifier | ExFiles\Box 154a\3\ scan0203 | |
| Date | 27th March 1936 guessed | |
| Points to be noted as follows :- RADIATOR. (1) Corrosion - choking up of water ways. (2) Mechanical strength. (3) Cooling suitability factor. (4) Loss of water at high speeds. (5) Adequacy of steam passages. (6) Efficiency, idling and traffic conditions. (7) Mechanical reliability of shutters and immunity from wind pressure effects. (8) Maximum under bonnet temperatures likely to be encountered and consequent possibility of vapour lock. (9) Fan noise and position. (10) Drainage from cold. (1) Corrosion - Choking up of water ways. This is mainly important when a new type of matrix is adopted. We consider it essential that at the conclusion of the first 15,000 miles test of a new type of matrix, it should be opened up and examined for corrosion. The same thing should be done if the materials of the top and bottom tanks or any other parts of the radiator are altered. It must be remembered that if an aluminium cylinder head or block is used with steel liners or cast-iron cylinders, large quantities of deposit will be formed unless the iron or steel is protected by a neutral coating. Cases of such trouble occurred on both the Ph.II and Ph.III. | ||