The failure of slotted ebonite separators and a proposed superior circular hole perforated design.
| Identifier | ExFiles\Box 54\1\ Scan352 | |
| Date | 27th March 1930 guessed | |
| 2 J.D.60. type. The slots had been opened by pressure of the positive grid bars these being arched & distorted. Mr McKinnon saw this cell & he suggested the ebonite separators should have a frame all round to strengthen same but this would put up the expense considerably. I gave him various reasons why this would not be an advantage & he agreed. The slotted & ebonite separator has now been superceded by the circular hole perforated separator which I think will be found to be much superior. The cause of failure was due to the separators failing in the first place, this causing sulphation & the positive plates to grow & short on the negative strap. gg. | ||
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).