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).
Performance graph comparing Brake Horse Power and Brake Mean Effective Pressure against RPM for various Weir induction pipe setups.
| Identifier | WestWitteringFiles\R\2December1927-February1928\ Scan190 | |
| Date | 16th February 1925 | |
| WEIR INDUCTION PIPES TESTS. SHEET II ④ { INDUCTION PIPE & FISHTAIL (WITH NOZZLE) TO SCH. 965. (ONE PIECE PIPE). HOT SPOT PIPE TO V243 (CARB. IN STD. POSITION). ⑤ DITTO, BUT WITHOUT NOZZLE IN FISHTAIL. ③ STANDARD INDUCTION PIPE. BRAKE HORSE POWER B.M.E.P. (LBS/□") R.P.M. OF ENGINE. FOR CONDITIONS OF TESTS, SEE SHEET I. ③ ④ ⑤ B.H.P. ③ ④ ⑤ B.M.E.P. V253 | ||