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).
Series of questions regarding component specifications, including pressure limits and pricing for parts.
| Identifier | ExFiles\Box 149a\1\ scan0113 | |
| Date | 2nd August 1937 guessed | |
| -2- (5) In your letter you say that with the later type of gland the limiting pressure is 50 lbs/sq.in. - you do not say what is the optimum sealing pressure - is this still 15 lbs/sq.in. Thanking you in anticipation, Yours faithfully, FOR ROLLS-ROYCE LTD. PS. We should also like to know - (1) Whether you rely for a seal on the press fit of the carbon sealing ring in its housing. (2) The approx. prices of the sealing ring and bush shown on your drg. SK. No.100/1197 in lots of 200. | ||