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).
Table detailing vehicle complaints, the number of cars affected, and remarks on the causes and remedies.
| Identifier | ExFiles\Box 47\5\ Scan151 | |
| Date | 30th March 1927 guessed | |
| -3- | Nature of Complaint. | No. of Cars prior to India Series. | India Series. | Remarks. | |---|---|---|---| | Petrol Starvation. | W. - | W. 3. Last qtr's | This is caused by foreign matter which is either in or gets into the system when the tank is re-filled. The Zenith filter is now standardised. | | | N. - | N. 5. total | | | | P. - | P. - | | | Handwritten: Zenith filter overcomes this trouble. | | 4. | | |---|---|---|---| | Servo Fierce and grabbing. | W. - | W. 4. Last qtr's | Scheme for allowing flexibility in Servo operation has been standardised and we are getting out a scheme which we hope will be adaptable to earlier cars. | | | N. - | N. 5. total | | | | P. - | P. 1. | | | Handwritten: No remedy except general-flexibility in servo operation. | | 16. | | |---|---|---|---| | Brakes Squeaking. | W. 9. | W. 11. Last qtr's | An 80% cure has been found for pre-India cars by fitting an anti-squeaking device. The India chassis is chiefly front wheel squeaks. The fabric, after being in use for some time, forms a hard and dry glazed surface. Squeak dampers for front brakes have now been standardised. | | | N. 1. | N. - total | | | | P. - | P. - | | | Handwritten: Squeak dampers and efficient dust covers are the only present remedy. | | 21. 31. | | |---|---|---|---| | Overoiling. | W. 2. | W. 3. Last qtr's | We have now had some experience of honing cylinder bores and we are expecting this new practice to give us better results than we have previously had. Honing gives an almost perfectly round bore. | | | N. 2. | N. 1. total | | | | P. - | P. - | | | Handwritten: This complaint is not very prevalent on 20 H.P. honed cylinders and perfect-rich scraper rings should help. | | 8. 21. | | | ||