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 for a front brake drum damper to reduce brake squeaks.
| Identifier | ExFiles\Box 66\5\ scan0090 | |
| Date | 10th December 1926 | |
| RR 755 REVISED (10H) (DE 444 6-10-26) BM. COMPLETED 19.1.27 Handwritten number: 48420 STANDARDISATION of CHASSIS PARTS. Date 10.12.26 X No. 8420 / 4612 Drawing No. N.sch. 2298 Part List Description of Parts. FRONT BRAKE DRUM DAMPER. Origin. To reduce brake squeaks. Experimental Test Report.: With the lightened type front axle, we have found it necessary to fit dampers. These can be brought on without scrapping material. Road Test Report.: We have proved that these dampers definitely reduce squeaking brakes. They will not affect the reliability of the car. Action Box (Option C selected): 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. Weight of Old Part.: Weight of New Part.: Difference per Car.: Cost of Old Part.: £ 5. 1. 2d. Cost of New Part.: £ 8. 8. 4d. Difference per Car.: £ 3. 7. 2d. increase. Signature from Cost Dept. that above is correct.: Mv/Rb. {R. Bowen} 17.1.27 Cost of Parts in Works which will be scrapped if commenced on :- Series..........£......... Series..........£......... Series..........£......... APPROVALS: INITIAL | DATE | REMARKS BJ. | 19.1.27 | Agreed R. {Sir Henry Royce} | 13.12.26 | Agreed. FHR. WOR. {Arthur Wormald - General Works Manager} | 10.12.26 | Agreed. Wor. {Arthur Wormald - General Works Manager} RG. {Mr Rowledge} | 14.12.26 | Agreed. Rg. {Mr Rowledge} DA. {Bernard Day - Chassis Design} | 13.12.26 | Agreed. Da. {Bernard Day - Chassis Design} BY. {R.W. Bailey - Chief Engineer} | 13.12.26 | Agreed. BY. {R.W. Bailey - Chief Engineer} EP. {G. Eric Platford - Chief Quality Engineer} | 11.12.26 | Agreed. EP. {G. Eric Platford - Chief Quality Engineer} If satisfied tests O.K. E. {Mr Elliott - Chief Engineer} | 14.12.26 | Agreed. E. {Mr Elliott - Chief Engineer} PN. {Mr Northey} | 15.12.26 | Agreed. PN. {Mr Northey} CWB. | 17.12.26 | Agreed. CWB. Hs. {Lord Ernest Hives - Chair} | 10.12.26 | Agreed. Hs. {Lord Ernest Hives - Chair} | ||