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 parts for a Phantom III throttle control spring.
| Identifier | ExFiles\Box 171\2\ img313 | |
| Date | 2nd August 1937 | |
| RR 755 (10H) 38137 7-4-37 WHK 26070 COMPLETED 2 6.8.37. PHANTOM III STANDARDISATION of PARTS. Date 2.8.37. X No. 308. Drawing No. Part List Description of Parts: E.38488 spring throttle control replaces E.38351. Origin: E.38489 bracket - throttle spring replaces E.37875. E.38281 pin - throttle spring anchorage replaces E.37876. Report of Experimental Test: E.38488 spring throttle spring replaces E.38351. Present throttle spring E.38351 is over stressed. The above parts have completed 21,200 miles on 35-MX{John H Maddocks - Chief Proving Officer} without failure. No excessive wear on the spindle. Spring stretched .125". Extended load .75 lb. less than origin l. MATERIAL LABOUR CHARGES TOTAL £ s. d.{John DeLooze - Company Secretary} £ s. d.{John DeLooze - Company Secretary} £ s. d.{John DeLooze - Company Secretary} £ s. d.{John DeLooze - Company Secretary} Cost of Old Part Cost of New Part Nett Increase Decrease NEGLIGIBLE. Signature from Cost Dept. that above is correct. INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 24.8.37. | Agreed Sg.{Arthur F. Sidgreaves - MD} subject to X below. HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} C. | 3.8.37. | Agreed C. DA.{Bernard Day - Chassis Design} | 13.8.37. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 4.8.37. | Agreed By.{R.W. Bailey - Chief Engineer} RHC.{R. H. Coverley - Production Engineer} | 3.8.37. | X Do not agree on grounds of exorbitant tool costs. MX.{John H Maddocks - Chief Proving Officer} | | Design has been raised with Ey. who agrees that same can be modified and result in reduction of both tool & manufacturing costs. etc. RM.{William Robotham - Chief Engineer} | 4.8.37. | Agreed R M.{Mr Moon / Mr Moore} | ||