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).
Test report on an Argen car heater/silencer comparing performance with a standard jig.
| Identifier | ExFiles\Box 137\1\ scan0063 | |
| Date | 24th April 1924 | |
| 24. 4. 24. COPY OF TEST REPORT ON ARGEN CAR HEATER. -------------------------------------- The following is a test carried out on the production engine on the jig with Standard jig exhaust pipes and the Argen Silencer with the back pressure recorded in the exhaust tube. RPM. LBS LOAD STD. ARGEN. BACK PRESSURE. --- ------------- ------ -------------- 500 81 81 - 600 85 83 " 800 89 85 " 1000 90 86 1 1200 90 86 1 1/4 1400 90 87 1 1/2 1600 90 87 2 1800 86.5 84 2 1/4 2000 81.5 79 2 1/2 (Signed) A.W.B. For The Lanchester Motor Co. | ||