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).
Petrol consumption data for a Condor engine, detailing performance with induction pipes type 1.A. and a throttle curve.
| Identifier | ExFiles\Box 40\6\ Scan004 | |
| Date | 9th September 1922 guessed | |
| X3585 CONDOR PETROL CONSUMPTION. Induction pipes 1.A. type - compression 5.3. X3585 / E31 First Table: R.P.M. | Lift. | B.H.P. | Cons. pts. Wks. Mtd. | Cons. pts. Wkst. control set. | Pts, B.H.P. Hr. Wkst. | Pts, B.H.P. Hr. Wkst. con: set. 2000 | 400 | 666 | 370 | 376 | .55 | .56 1900 | 420 | 665 | 340 | 346 | .535 | .53 1800 | 424 | 636 | 328 | 333 | .515 | .525 1700 | 418 | 592 | 312 | 316 | .526 | .53 1600 | 416 | 554 | 284 | 288 | .51 | .515 1500 | 410 | 512.5 | 272 | 275 | .53 | .535 1400 | 404 | 471 | 252 | 255 | .53 | .54 THROTTLE CURVE. Second Table: R.P.M. | Lift. | B.H.P. | Wkst. MTD. | Pts/B.H.P. 2000 | 400 | 666 | 370 | .55 1900 | 385 | 609.5 | 342 | .56 1800 | 370 | 555 | 322 | .58 1700 | 360 | 510 | 304 | .59 1600 | 348 | 464 | 272 | .58 1500 | 310 | 387.5 | 220 | .56 1400 | 296 | 344 | ? | ? Flowmeters do not rear lower than 100 pts. barom: 769 m/m.{Mr Moon / Mr Moore} | ||