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).
Table of recorded blower pressures at various RPMs.
| Identifier | ExFiles\Box 122\1\ scan0215 | |
| Date | 5th July 1935 | |
| -2- Hs{Lord Ernest Hives - Chair}/GR.{George Ratcliffe} 8/KW. 5.7.35. Blower Pressures recorded :- R.P.M. lbs/sq.in. 1000 0.5 2000 1.25 3000 2.75 3500 3.25 3750 3.75 4000 4.25 4250 4.75 4500 5.5 Hs{Lord Ernest Hives - Chair}/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Ratcliffe. | ||