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).
Tyre inspection report for a Phantom III and a 20-25 HP vehicle, detailing mileage and wear.
| Identifier | ExFiles\Box 157\1\ scan0360 | |
| Date | 28th April 1936 | |
| 28.4.36 INSPECTION OF TYRES AT ROLLS ROYCE LONDON DEPOT (LILLIE HALL) APRIL 23rd 1936. (VISIT WITH MR. H.{Arthur M. Hanbury - Head Complaints} E.{Mr Elliott - Chief Engineer} PRICE) 1. Phantom III (Independent suspension on front). Chassis No. 35 EX. Registration No. RC.{R. Childs} 3170. 7.00/18 Fort '90' tyres with buffed shoulder studs. Pressures 35 lbs. all round. Position Mileage Pattern remaining. Amount of wear. Estimated Patt.Life. O.{Mr Oldham} F.{Mr Friese} °12,759 3.7 8.2 20,000 N. F.{Mr Friese} 1,856 9.1 2.8 12,000 O.{Mr Oldham} B. x 3,753 4.3 7.6 approx. 6,500 N. B. x 3,753 3.7 8.2 6,000 Spare (previously N.F) 10,903 7.3 4.6 19,000 ° Including 6,690 miles on the Continent. x " 2,082 " " " Two tyres previously removed and returned to F.D. 16/4/36. O.{Mr Oldham} B. 8,000X app. 3.0 8.9 11,000 N. B. 8,000X app. 0.5 11.4 9,000 X Including 5,000 miles on the Continent. The variation in mileage between the first pair of rear tyres and the second pair is probably in the main due to weather conditions, since in each case more than half the mileage has been done on the Continent. Apart from the 6,690 miles which this car has done all over the Continent at high speeds, the remaining mileage has been on slow and fast demonstration work all over England. 2. 20 - 25 h.p. (Semi eliptic springs front and rear) Chassis No. GBJ.18. Registration CGK.893. 6.00/19 Fort '90' tyres with buffed shoulder studs, Pressures varying between 30 - 35 lbs. according to type of work. | ||