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).
Standardisation of a crankcase vent to prevent fumes from entering vehicle bodies.
| Identifier | ExFiles\Box 171\3\ img124 | |
| Date | 4th September 1922 | |
| R.R. 775 5 H) (S.J. 291) 1-10-21 G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 3087. ORIGINAL COMPLETED 18.9.22. STANDARDISATION of CHASSIS PARTS. Date 4.9.22. X No. 3908 Description of Parts. CRANKCASE VENT. Origin. To prevent crankcase fumes getting into bodies. Experimental Test Report. An extension is fitted from the crankcase breather to the carburetter. All fumes are taken in through the carburetter - similar scheme used on Goshawk-11. Road Test Report. Fitted to 5 or 6 customers cars and has given satisfaction. Repair Dept. have made demands for these. Run on Expl: Cars 12,500 miles. A Scrap and replace at all costs, including Chassis already delivered to customers. B Scrap and replace on Chassis in works. C Scrap present stock and replace on all Chassis not yet handed to test. D Use existing stock Alteration effective on future Chassis. Signature of Exp. Dept. that above is correct. E.{Mr Elliott - Chief Engineer} Hives. Weight of Old Part. Cost of Old Part. £ 0. 9. 2 Weight of New Part. Cost of New Part. £ 0. 14. 10 Difference per Car. Difference per Car. £ 0. 5. 8 increase. Signature of Mr. De LOOSE that above is correct. My/JW 8.9.22. SIGNATURES | DATE | REMARKS Mr. JOHNSON | 13.9.22 | Agreed. C. Johnson. Mr. Johnson | 13.9.22 | agreed. B.J. (Presume no scrap as it is not mentioned) Mr. ROYCE | 15.9.22 | Agreed F.H.R Mr. WORMALD | 11.9.22 | Agreed. Wor.{Arthur Wormald - General Works Manager} Mr. ROWLEDGE | 4.9.22 | Agreed. Rg.{Mr Rowledge} Mr. DAY | 5.9.22 | Agreed. Da.{Bernard Day - Chassis Design} Mr. BAILEY | 4.9.22 | Agreed. BY.{R.W. Bailey - Chief Engineer} Mr. PLATFORD | 11.9.22 | Agreed - successfully used on American made R-R for some time. EP.{G. Eric Platford - Chief Quality Engineer} Mr. NORTHEY | 6.9.22 | Agreed. PN.{Mr Northey} | ||