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).
Blueprint detailing the inflated and deflected shapes of a 7.00-20' Fort Silent Tyre.
| Identifier | ExFiles\Box 45\2\ Scan129 | |
| Date | 12th December 1928 | |
| REVISIONS DEFLECTED WIDTH 7.52 INFLATED WIDTH 6.84 EFFECTIVE RAD. 16.29 INFLATED DIA. 34.66 LOAD 17 CWT. PRESSURE 43 LBS □ 32" x 6.75" 7.00-20" FORT SILENT TYRE. INFLATED, LOADED & DEFLECTED SHAPES. DUNLOP RUBBER CO LTD. FORT DUNLOP. BIRMINGHAM DEVPT DESIGN SECTION DRAWN BY DATE 10.12.28 TRACED BY L. N. Moody DATE 12.12.28 CHECKED BY APPROVED BY PASSED FOR MANUFACTURE SUPERSEDES SUPERSEDED BY SCALE FULL SIZE. RECORD No D.D.S. 3308. | ||