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 chassis parts to introduce flexibility in servo operation and overcome jaggers.
| Identifier | ExFiles\Box 171\1\ img029 | |
| Date | 30th April 1926 | |
| RR 755 (10M) (DB{Donald Bastow - Suspensions}130 12-9-24) MS 301225 ORIGINAL COMPLETED 4.6.26 STANDARDISATION of CHASSIS PARTS. Date: 30.4.26 X No.: 8370 Drawing No. Part List Description of Parts: FLEXIBILITY IN SERVO OPERATION. Origin: To overcome servo jaggers. Experimental Test Report: We receive a number of complaints of jaggers from the servo. We have proved that if we introduce flexibility in the form of a rubber ring in the mechanism, the fault is overcome. Road Test Report: Run 6000 miles on 8-EX. Run 4000 miles on 98-NK. Fitted to 7-EX. Tried on several others cars for effectiveness. Weight of Old Part. Cost of Old Part: £ S. 1d. Weight of New Part. Cost of New Part: £ S. 11. Difference per Car. Difference per Car: £ 10d. increase. Signature of Mr. De LOOZE that above is correct: My/Rb.{R. Bowen} 21.5.26 Right Column: 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. Cost of Parts in Works which will be scrapped if commenced on:- Series: £ Series: £ Series: £ Signatures Table: SIGNATURES | DATE | REMARKS MR. JOHNSON MR. B JOHNSON | 3.6.26 | Agreed. B.Johnson. MR. ROYCE | 3/5/26 | Agreed FHR MR. WORMALD | 30.4.26 | Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE | 30.4.26 | Agreed. Rg.{Mr Rowledge} MR. DAY | 4.5.26 | Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY | 3.5.26 | Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD | 4.5.26 | Agreed - recommend put on cars at once. Also prepare supply to deal with faulty ones MR. ELLIOTT | 4/5/26 | Agreed CE on test and complained of. MR. NORTHEY | 14.5.26 | Agreed. PN.{Mr Northey} MR. HIVES | 30.4.26 | Agreed. E.Hives. | ||