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 showing the inflated section of a 31'x6.00' S.S. Balloon Buttressed Triple Block tire.
| Identifier | ExFiles\Box 53\3\ Scan058 | |
| Date | 14th June 1927 | |
| REVISIONS 5.96 INFLATED WIDTH. 14.52 EFFECTIVE RAD. 31.4 INFLATED DIA. 18.88 DIA. 19.062 DIA. BEAD SEAT. 17.06 DIA. 31"X6.00" S.S. BALLOON BUTTRESSED TRIPLE BLOCK INFLATED SECTION. DUNLOP RUBBER CO LTD. FORT DUNLOP. DEVPT DESIGN SECTION BIRMINGHAM DRAWN BY: Woods DATE: 11.5.27 TRACED BY: L.R. Barton DATE: 14.6.27 CHECKED BY: APPROVED BY PASSED FOR MANUFACTURE SUPERSEDES SUPERSEDED BY SCALE FULL SIZE. RECORD No I.D./S. 2400. | ||