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 vaporizer scheme on the induction pipe to avoid crankcase dilution.
| Identifier | ExFiles\Box 50\3\ Scan233 | |
| Date | 8th September 1922 | |
| STANDARDISATION of CHASSIS PARTS. Description of Parts. (Handwritten: cg and bg) Vaporizer scheme on Induction Pipe. Origin. To avoid crankcase dilution. Experimental Test Report. This scheme is used in connection with the exhaust heated throttle. The advantage is that it prevents liquid petrol reaching the cylinders especially when starting from cold on pilot jet. Road Test Report. Run 11,000 miles on 1.EX. " 1,000 " " 6.EX. " 2,000 " " 2.EX Fitted to two chassis sent to Canada. Fitted as standard on 40/50 cars made at Springfield for 6 months. Signature of Exp. Dept. that above is correct. (Signature: E. {Mr Elliott - Chief Engineer} Hives) Weight of Old Part. £ Cost of Old Part. £ Weight of New Part. £ Cost of New Part. £ (Handwritten: See My/JW8/139A/13.10.22. attached.) Difference per Car. £ Difference per Car. £ Signature of Mr. De LOOSE that above is correct. [Illegible signature] SIGNATURES DATE REMARKS Mr. JOHNSON (Signature: Mr. E. {Mr Elliott - Chief Engineer} Johnson.) 19.10.22 (Handwritten: Agreed 9 19 10) Mr. ROYCE 19.10.22 Agreed Mr. WORMALD 18.10.22 Agreed. Wor. {Arthur Wormald - General Works Manager} Mr. ROWLEDGE 12.9.22 Agreed. Rg. {Mr Rowledge} Mr. DAY 11.9.22 Agreed. Da. {Bernard Day - Chassis Design} Mr. BAILEY 9.9.22 Agreed. BY. {R.W. Bailey - Chief Engineer} Mr. PLATFORD 11.9.22 Agreed - prefer X.4305B for standard, but use this scheme until standard and certainly apply retrospectively or low cost to customers. PD Mr. NORTHEY (Handwritten below name: IWT. for A.A. Inc.) 11.9.22 Agreed PN {Mr Northey} Drawing No. Part List 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. Cost of Parts in Works which will be scrapped if commenced on :- Series.......... £ .......... Series.......... £ .......... Series.......... £ .......... Storekeeper advised re above: Storekeeper's Signature | ||