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 data tables for J.3 and S.U. carburetters on a Peregrine manifold.
| Identifier | ExFiles\Box 1\10\ B001_X106 TO X 110-page091 | |
| Date | 12th December 1932 guessed | |
| - 2 - (6) J.3 carburetter with own throttle body and hot spot distance piece on Peregrine manifold. R.P.M. | LOAD. | Air. | Cor/Load. | B.H.P. | M.E.P. | INDN PIPE. DEPRESSION. 4500 | 70.5 | 12 | 70.2 | 70.2 | 85.8 | 1.6 4000 | 79.5 | 13 | 79.3 | 70.5 | 96.1 | 1.45 (7) Single 1¾" bore S.U. carburetter. 4500 | 72.5 | 10 | 71.9 | 71.9 | 87.9 | 1.7 4000 | 81.5 | 10 | 80.8 | 71.8 | 98.7 | 1.55 | ||