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 the warning light operation on the thermometer to activate at 97.5°C.
| Identifier | ExFiles\Box 165\4\ img087 | |
| Date | 1st August 1930 | |
| RR 755 REVISED (10H) (DG 348 19-7-29) 6/643. COMPLETED 4.9.30. *x3875. STANDARDISATION of CHASSIS PARTS. Date 1.8.30. Description of Parts. OPERATION AT 97.5°C. OF THE WARNING LIGHT ON THERMOMETER. Origin. To prevent unnecessary apprehension. Experimental Test Report. We wish to revert to this temperature of operation because if brought in lower the driver becomes alarmed unnecessarily. Road Test Report. Run 10,000 miles on several cars. Retrospective action might with advantage be taken on cars destined for hot climates. Drawing No. 3875. Part List 7250. A Scrap and replace at all costs, including Chassis already delivered to Customers. B Scrap and replace 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. £2-7-6 Cost of New Part. £2-7-6 Difference per Car. £ none Cost of Parts in Works which will be scrapped if commenced on :- Series.........£......... Series.........£......... Signature from Cost Dept. that above is correct. GNR 1/9/30 G.W. 2/9/30 INITIAL DATE REMARKS SG.{Arthur F. Sidgreaves - MD} 3-9-30 Agreed SG.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} 14.8.30 Agreed FHR. WOR.{Arthur Wormald - General Works Manager} 19.8.30 Agreed Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} 11.8.30 Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} 12.8.30 Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} 7.8.30 Agreed BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} 4.8.30 Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} 11.8.30 Agreed AE. PN.{Mr Northey} 20.8.30 Agreed PN.{Mr Northey} CWB. Agreed C. HS.{Lord Ernest Hives - Chair} Agreed Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} [STAMPED TEXT: PLANNED] [CIRCULAR STAMP: J.S. RECEIVED 9 SEP 1930] | ||