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).
Test report on crankcase and clutch pit water pressure at various speeds, conducted without a breather but with a scoop fitted to the clutch pit.
| Identifier | ExFiles\Box 1\4\ B001_X 100a-page251 | |
| Date | 30th December 1932 | |
| -2- Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux}2/KT.30.12.32. Without Breather but with Scoop on clutch pit. Speed M.P.H. Crankcase Press. of water. Clutch Pit. Press. of water. 30 ... .1" (Due to loss of suction from carb.) .... .1" (Due to effect of scoop fitted to clutch pit). 40 ... .2" .... .2" 50 ... .2" .... .3" 60 ... .2" .... .2" 70 ... .2" .... .3" 75 ... .2" .... .3" Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux} | ||