10,000-mile test report on Woodheads' stiffer springs for an Open Touring car, model 98 NK.
| Identifier | ExFiles\Box 42\3\ Scan164 | |
| Date | 19th November 1924 | |
| X9410 10,000 MILES TEST ON WOODHEADS' 12.5% STIFFER SPRINGS. Open Touring car - 98 NK. | Date. | Day's run. | Total miles run. | Day's Average Speed. | Total Average Speed. | Day's Petrol Cons: | Total Petrol Cons: m.p.g. | Day's oil. m.p.g. | Total Oil. m.p.g. | |---|---|---|---|---|---|---|---|---| | 31.10.24. | 82 | 82 | 35 | 35 | 12. | 12. | ∞ | ∞ | | 1.11.24. | 527 | 609 | 35.2 | 35.2 | 12.25 | 12.25 | 1400 | 1620 | | 2.11.24. | 509 | 1118 | 35.25 | 35.2 | 11.95 | 12.1 | 1018 | 1310 | | 3.11.24. | 508 | 1626 | 37 | 35.8 | 11.65 | 12. | 1016 | 1180 | | 4.11.24. | 502 | 2128 | 37.1 | 36.1 | 11.15 | 11.8 | 1004 | 1140 | | 5.11.24. | 501 | 2629 | 36 | 36 | 11.8 | 11.8 | 800 | 1050 | | 6.11.24. | 503 | 3132 | 36.25 | 36.1 | 12.15 | 11.8 | 1340 | 1085 | | 7.11.24. | 507 | 3639 | 36.15 | 36.1 | 12.65 | 11.9 | 680 | 1000 | | 8.11.24. | 507 | 4146 | 35.8 | 36.05 | 12.5 | 12. | 1014 | 1005 | | 9.11.24. | 501 | 4647 | 35.75 | 36. | 12.2 | 12.05 | 1002 | 1005 | | 10.11.24. | 505 | 5152 | 35.7 | 36.0 | 12.55 | 12.10 | 672 | 957 | | 11.11.24. | 515 | 5667 | 37.6 | 36.2 | 10.9 | 11.95 | 685 | 925 | | 12.11.24. | 533 | 6200 | 33.8 | 36. | 11.45 | 11.8 | 852 | 920 | | 13.11.24. | 430 | 6630 | 33. | 35.6 | 11.7 | 11.8 | 1720 | 946 | | 14.11.24. | 502 | 7132 | 35.5 | 35.5 | 11.95 | 11.9 | 4016 | 1000 | | 15.11.24. | 507 | 7639 | 36.6 | 35.7 | 11.75 | 11.9 | ∞ | 1070 | | 16.11.24. | 601 | 8240 | 42.9 | 36.2 | 11.31 | 11.85 | 960 | 1080 | | 17.11.24. | 561 | 8801 | 39.7 | 36.4 | 11.1 | 11.8 | 4488 | 1120 | | 18.11.24. | 609 | 9410 | 44.5 | 36.75 | 11.5 | 11.75 | 1625 | 1140 | | 19.11.24. | 591 | 10001 | 39.6 | 37. | 11.65 | 11.8 | 1570 | 1160 | (Signature) A.Hidsy | ||
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).