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).
Blueprint graph showing performance comparisons for a Bentley exhaust system with different baffling configurations.
| Identifier | ExFiles\Box 3\4\ 04-page361 | |
| Date | 12th July 1935 | |
| BENTLEY EXHAUST SYSTEM 2.00 DIAM ROUND PIPE THROUGHOUT. TAIL PIPE UNDER REAR AXLE 12 . 7 . 35 B.H.P 120 110 100 90 OPEN EXHAUST A B R.P.M 3500 4000 4500 EFFECT OF BAFFLING IN REAR EXHAUST BOX A :- DIMENSION 'X' = 2.00" B :- DIMENSION 'X' = 1.500" | ||