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).
The testing and comparison of Accu-Slem and Exide batteries on various cars.
| Identifier | WestWitteringFiles\M\2October1924-December1924\ Scan50 | |
| Date | 14th October 1924 | |
| Contd. -5- EFCL/T14.10.24. the P & R Co. respectively, so that they could see for themselves what was put into the cells which had given such good results in our hands. Shortly afterwards we received a report written by Mr. Preston of the P & R Co., copy of which please find attached as being worth reproducing herewith. Meanwhile, owing to good results, a number of other Accu-Slem batteries were obtained. After some preliminary routine testing, these batteries were disposed as follows:- One Accu-Slem battery was left intact. This is at present being used on Test Dept. service, and except for the slight trouble of corrosion of the terminals, has given, and is still giving good service. By utilising cells of the then up-to-date improved standard Exide 6BXRE5 batteries, together with two Accu-Slem batteries, four sandwich batteries were made up each containing three Accu-Slem and three Exide cells. Of these four batteries, three were placed on 40/50 cars 5-EX, 46-PK (now at W.W.) and 93-NK, and in each of these cases they are so far giving no trouble. The fourth sandwich battery was put in our bench life test, and is also so far in good order. The object of such sandwiching is a direct comparison between the lives of the cells of different makes. It should be re-mentioned that the Accu-Slem cells have not got some of the features which have been considered to be improvements in the Exide 6BXRE5 cells, namely :- Contd. | ||