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 larger Autovac float chamber tank and valve to prevent petrol starvation at high speeds.
| Identifier | ExFiles\Box 171\1\ img196 | |
| Date | 4th June 1930 | |
| RR 785 REVISED (10H) (DG 348 .. ..) BN.{W.O. Bentley / Mr Barrington} 6/643. STANDARDISATION of CHASSIS PARTS. Ref. No. BJ. S. 5.7.30. Date 4.6.30. X No. 7519. Drawing No. AV.226 Part Letter AV.337 List No. SR.23. Date 30.10.29 Description of Parts. AUTOVAC. LARGER FLOAT CHAMBER TANK & VALVE. Origin. To overcome starvation of petrol at high sustained speeds. Experimental Test Report. Fitted to 23-EX engine. Supply of petrol ample for all speeds of engine. Road Test Report. Tested for 10,000 miles in France on 23-EX. No shortage of petrol occurred and a full supply was maintained in the carburetter. [Action Selected: X] 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. Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ Cost of New Part. £ . 14 . 0d Difference per Car. £ Nil. Cost of Parts in Works which will be scrapped if commenced on :- Series.........£....... Series.........£....... Series.........£....... Signature from Cost Dept. that above is correct. S/He... 2/7/30. 3.7.30. [Stamped across document: SANCTION] INITIAL | DATE | REMARKS BJ: SG.{Arthur F. Sidgreaves - MD} | 4.7.30 | Agreed SG.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 12/6/30 | Agreed JHR WOR.{Arthur Wormald - General Works Manager} | 7.6.30 | Agreed Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 5.6.30 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 6.6.30 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 6.6.30 | Agreed BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 11.6.30 | Agreed EP.{G. Eric Platford - Chief Quality Engineer}, but failed twice with Br.{T. E. Bellringer - Repair Manager} and EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 12/6/30 | Agreed A.E.G. on last 500 miles. (Consider due to porous pot type filter). PN.{Mr Northey} | 11.6.30 | Agreed PN.{Mr Northey} CWB. | 6.6.30 | Agreed C. HS.{Lord Ernest Hives - Chair} | | Agreed. | ||