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).
Schematic comparing specifications for the Peregrine II A and proposed Peregrine B exhaust systems.
| Identifier | ExFiles\Box 179b\2\ img150 | |
| Date | 28th November 1940 | |
| PEREGRINE II A SCHEME H.S. 722 [Drawing of exhaust system with sections labelled A, B, C, D, E, F] Dimensions on drawing: 34.5 E.100464 LENGTH 57.375 DIA 5.00 VOL. 1120 H.P. LOSS AT 4500 R.P.M. 75 M.P.H. 14.0 B.H.P. Table 1: A | 1.500 °/DIA | 1.200 INSIDE | AREA | 1.13 SQ. INS B | 1.800 " | 1.500 " | " | 1.77 " C | 1.625 " | 12 S.W.G. (.104) | " | 1.57 " D | 1.625 " | 14 S.W.G. (.080) | " | 1.68 " E | 1.625 " | 16 S.W.G. (.064) | " | 1.76 " F | NOZZLE | | | 1.8 " Weights: 4.5, 11 LBS, 5 LBS TOTAL WT. 55.0 LBS PROPOSED NEW PEREGRINE 'B' SCHEME [Drawing of a second exhaust system with sections labelled A, B, C, E, F] Dimensions on drawing: E.100625 27.75 LENGTH 53.35 DIA 5.5 VOL. 1270 TO BE TRIED IN 13 S.W.G. AS AN ALTERNATIVE H.P. LOSS AT 4500 R.P.M. 75 M.P.H. 5.4 B.H.P. Table 2: A | 1.500 °/DIA | 1.200 INSIDE | AREA | 1.13 SQ. INS B | 2.000 " | 1.700 " | " | 2.27 " C | 1.875 " | 12 S.W.G. (.104) | " | 2.18 " D | NO INTERMEDIATE PIPE E | 1.750 °/DIA | 16 S.W.G. (.064) | " | 2.07 " F | NOZZLE | | " | 2.78 " Weights: 4.0, 11.5 LBS, 5.75 LBS TOTAL WT. 49.0 LBS EXHAUST SYSTEMS - PEREGRINE Stamp Text: ROYCE LTD NOV 28 1940 DERBY | ||