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 brush springs for a starter motor to give 9/10 lb. pressure.
| Identifier | ExFiles\Box 172\3\ img008 | |
| Date | 21th November 1919 | |
| R.R. 755 (5 M) (S.P. 621. 2-5-19) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2361. STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL Brush springs for Starter Motor to give 9/10 lb. pressure in the set up position. To replace spring F.7180. giving 6 lb. Origin. To ensure absence of contact troubles between brushes and commutator. Experimental Test Report. Extract EFC1/AT6.11.19. We have carried out bench test of these springs under extra heavy load conditions in combination with present standard C.M. brushes. This combination we found entirely satisfactory. Road Test Report. None yet available. Signature of Exp. Dept. that above is correct. (Sgd.) E.F. Clark. Weight of Old Part. Cost of Old Part. £ Weight of New Part. Cost of New Part. £ Difference per Car. Difference per Car. £ Cost of Parts in Works and Stores which will be scrapped if commenced on:- Series............ £ Series............ £ Series............ £ Storekeeper advised re above. Storekeeper's Signature. Signature of Mr. DELOOZE that above is correct. SIGNATURES DATE REMARKS Mr. JOHNSON. 9.12.19. Agreed. BJ. Mr. ROYCE. 1.12.19 Agreed FHR Mr. WORMALD. 24.11.19. Agreed. Wor.{Arthur Wormald - General Works Manager} Mr. NADIN. Mr. PLATFORD. 22.11.19. Agreed. EP.{G. Eric Platford - Chief Quality Engineer} Mr. NORTHEY. 24.11.19. Agreed. PN.{Mr Northey} Mr. BAILEY. 24.11.19. Agreed as it helps brushes. BV. Mr. BARRINGTON. 26.11.19 Agreed. BR Mr. DAY. 28.11.19 Agreed Da{Bernard Day - Chassis Design} | ||