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).
Design modifications for water pumps on Eagle engines used in airships.
| Identifier | WestWitteringFiles\E\June1920\ Scan38 | |
| Date | 25th June 1920 | |
| Co-Mins from R.{Sir Henry Royce} Copy to G.W. [Illegible text, struck through] [Illegible text, struck through] " H.S. [struck through] " H.N. [struck through] X.2894 ORIGINAL RECEIVED 25 JUN 1920 RB{R. Bowen}/G24/6/20. (6 RE WATER PUMPS X.3567 X.2020 As regards the Water Pumps for Eagles on airships, I understand that these have to be made of a larger pattern so as to give equal circulation to the cylinders, and make extra allowance for the circulation through the water cooled exhaust pipes. This will enable us to put in an improved form of pump having the double packing with lubrication between, schemed some little time ago. ( The drawing of a pump with such a gland was sent to Derby just twelve months ago.) We think it would be better to have a large screw lubricator and the lubrication should be vaseline or mineral grease which will not mix with water. This system of lubrication should be patented and I am sending to Mr. Albert Claremont, a letter to see whether it is possible. R.{Sir Henry Royce} | ||