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).
Results of end-to-end tests on S.U. electric pumps with various pipe configurations.
| Identifier | ExFiles\Box 27a\2\ Scan247 | |
| Date | 14th September 1933 | |
| To Hs.{Lord Ernest Hives - Chair} X2677 14.9.33. RESULTS OF TESTS CARRIED OUT ON END TO END S.U. ELECTRIC PUMPS. (1) 1/4" dia. pipe along frame. 1/4" " from tap to filter 5/16" " " filter to pump. 5/16" " " pump to carbs. Standard tap. 92 Pints/Hr. (2) 1/4" dia. pipe along frame. 5/16" " from tap to filter. 5/16" " " filter to pump. 5/16" " " pump to carbs. Standard tap. 100 Pints/Hr. (3) 5/16" dia. pipe along frame. 5/16" " " from tap to filter. 5/16" " " filter to pump. 5/16" " " pump to carbs. Standard tap. 122 Pints/Hr. (4) - As (2) but tap used was opened up and both main and reserve pipe lines used. 120 Pints/Hr. (5) - As (1) but with opened up tap 114 Pints/Hr. (6) - As (3) with standard tap and flow taken through float chamber 82 Pints/Hr. Hs{Lord Ernest Hives - Chair}/J.C.Bowering. | ||