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 fixed bushes for Goshawk chassis spring eyes to prevent wear.
| Identifier | ExFiles\Box 172\1\ img011 | |
| Date | 8th December 1922 | |
| R.R. 756 (5 B) (S.J. 291, 1k-10-21) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 3057. STAMP: COMPLETED 8.1.23. STANDARDISATION of CHASSIS PARTS. Date: 8.12.22 Drawing No: X No.4261 Description of Parts: GOSHAWK. FIXED BUSHES FOR SPRING EYES. STAMP: ORIGINAL. Origin: To prevent wear on holes in top leaves of springs. Experimental Test Report: It is found that the hole in the spring leaf wears oval which is an expensive job to correct when the car comes in for Repair. The 20 HP. is the first time we have used floating bushes in spring eyes. We also have difficulty in getting the necessary finish in holes for a floating bush. Road Test Report: This is only reverting to a practice we have always used on the 40/50. A Scrap and replace at all costs, including Chassis already delivered to customers. B Scrap and replace on 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. [TICKED] Cost of Parts in Works which will be scrapped if commenced on: Series £... Series £... Series £... Signature of Exp. Dept. that above is correct: E.{Mr Elliott - Chief Engineer} Hives. Weight of Old Part. Cost of Old Part: £ 15/10 purchase Weight of New Part. Cost of New Part: £ 1.2.2. Difference per Car: £ Difference per Car: £ 6/4 increase in cost market price. Signature of Mr. DE LOOSE that above is correct. Storekeeper advised re above: Storekeeper's Signature: SIGNATURES | DATE | REMARKS Mr. JOHNSON (Mr. E.{Mr Elliott - Chief Engineer} Johnson) | 8.1.23 | Agreed - subject to extra cost and scrap figure being supplied(EJ). [Handwritten note: Not intended to be copied or to correct.] Mr. ROYCE | 12/12/22 | Agreed FHR. [Handwritten note: Is this the bush with collars i.e. two bushes, one or simple, light taper on collar, or bush driven tight in spring. Collars should be proof of sound good. see M.{Mr Moon / Mr Moore}] Mr. WORMALD | 9.12.22 | Agreed. Wor.{Arthur Wormald - General Works Manager} Mr. ROWLEDGE | 9.12.22 | Agreed. Rg.{Mr Rowledge} Mr. DAY | 12.12.22 | Agreed Da.{Bernard Day - Chassis Design} [Handwritten note: bushes with Collars to be used as soon as possible.] Mr. BAILEY | 11.12.22 | Agreed. BY.{R.W. Bailey - Chief Engineer} Mr. PLATFORD | 9.12.22 | Agreed on behalf of EP.{G. Eric Platford - Chief Quality Engineer} away in U.S.A. J.A. Maddocks. Mr. NORTHEY | 9.12.22 | Agreed. PN.{Mr Northey} STAMP: 20. H.P CHASSIS | ||