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 experimental practice for a wide base rim contour for 16 inch passenger car tyres.
| Identifier | ExFiles\Box 156\3\ scan0264 | |
| Date | 30th October 1940 | |
| WIDE BASE RIM CONTOUR FOR PASSENGER CAR TYRES, EXPERIMENTAL PRACTICE., 5 1/2 - K.{Mr Kilner}, 5.50" ± .063", 2°, 1.933" MAX., .780" MIN., .022" MIN., .156" R MAX., 20°±5', .375" R.{Sir Henry Royce}, 1.00", 13.983" DIA. MAX., .250" R.{Sir Henry Royce}, 5°±1°, .750" R, .512" MIN., .031" R MIN., .420" R.{Sir Henry Royce}, .770", .047", .406", .703 / .704 DIA., .618 / .633 DIA., 15.968" ± .015" DIA., DIAMETER SHOWN IS FOR 16" RIMS., TR{Capt. F. W. Turner - Finance}-10-30-40-K.{Mr Kilner} | ||