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 proposal for aluminium Zephyr pistons, with comments from engineering staff.
| Identifier | Morton\M11\ img014 | |
| Date | 14th September 1916 | |
| R.R. 755 (5 H) (S.A. 325. 25-2-15) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 0961 STANDARDISATION of CHASSIS PARTS. Description of Parts. ALUMINIUM PISTONS CONICAL TOP, ZEPHYR WITH MANY RINGS. Origin. ---- Experimental Test Report. Road Test Report. None of these pistons have been made. 7 CA and one other experimental car were fitted with Zephyr Aluminium type, but we have no reports on them. Signature of Exp. Dept. that above is correct. Weight of Old Part: £ ---- Cost of Old Part: £ ---- Weight of New Part: £ ---- Cost of New Part: £ ---- Difference per Car.: £ ---- Cost of Parts in Works and Stores which will be scrapped if commenced on:- Series ...... £ ............ Series ...... £ ............ Storekeeper advised re above. ---- Storekeeper's Signature. Signature of Mr. DeLOOZE that above is correct. SIGNATURES | DATE | REMARKS Mr. JOHNSON. | 18.9.16. | Should be tested before standardised - C.J. Mr. ROYCE. | 18.9.16. | Will approve after long enough test to prove if sufficiently free from knocks. At present no pistons in aluminium are passable but those fitted to 49 GB. - F.H.R. Mr. WORMALD. | 20.9.16. | We should not standardise these parts until we have had further reports from Y.Ep.{G. Eric Platford - Chief Quality Engineer} and Hives, as to whether they are good enough for our chassis. - WOR.{Arthur Wormald - General Works Manager} Mr. PLATFORD. | 18.9.16. | Prefer to wait until further tests, i.e. Commander Briggs car - EP.{G. Eric Platford - Chief Quality Engineer} Mr. NORTHEY. Bailey | 14.9.16. | I do not think we should do this until further trials are completed 3/4 BY.{R.W. Bailey - Chief Engineer} Mr. Nadin. | 19.9.16. | I don't agree until a definate report on their behaviour has been made and a statement of a number of miles run - NA.{Mr Nadin} | ||