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 S.U. Petrol Pumps, specifically the Tufnol Guide bush to armature spindle on the 25/30 HP model.
| Identifier | ExFiles\Box 171\5\ img087 | |
| Date | 15th November 1938 | |
| RR 735A (10H) (49968) 19/10/37 C.E.Co. COMPLETED 8.1.39. 25/30 H.P. STANDARDISATION OF PARTS Date Issued 15.11.38. Sheet No. W.13. Drg. No. L.O.P.S. Description S.U. PETROL PUMPS. (L) Tufnol Guide bush to armature spindle. Purpose To increase the working life and reliability. Brief Report and Remarks The Tufnol guide bush has completed 15,000 miles fitted to the pump on 8.B.V. and over 1,400 hours endurance running on the rig. When recommended for Introduction Report References By Rm{William Robotham - Chief Engineer} Da{Bernard Day - Chassis Design} Mx{John H Maddocks - Chief Proving Officer} By.{R.W. Bailey - Chief Engineer} Rm.{William Robotham - Chief Engineer} Da.{Bernard Day - Chassis Design} Mx.{John H Maddocks - Chief Proving Officer} Old Parts New Parts Material Labour Burden Total Increase in Cost £ No Difference. Decrease G/RF 1/3/39 Production Position and Comments Cost of Tools £ Nil. S.U. petrol pump with Tufnol Guide bush to the armature spindle was introduced at the 1st. chassis in 'C' series without scrap. No tool cost was involved neither was there any difference in Factory Cost per chassis. RHC{R. H. Coverley - Production Engineer}/J.M.Reid. Authorisation to Proceed. Introduce on the 1 Chassis in C Series. Signature Date Sg.{Arthur F. Sidgreaves - MD} 6/6/39. Hs.{Lord Ernest Hives - Chair} 4/7/39 | ||