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 diagram of a Borg & Beck clutch after a 17,000 miles test.
| Identifier | ExFiles\Box 90\5\ scan0141 | |
| Date | 7th July 1936 | |
| Ex 44 GAP BETWEEN DRIVING LUGS & OUTER CASING .004 .004 .008 NIL .003 .003 COMPRESSED THICKNESS OF LININGS TAKEN AT TWO PLACES ON CENTRE LINE OF RIVETS .321 .323 .320 .317 .318 .319 .315 .314 .316 .322 THIS CLUTCH FINGER IS STANDING .015 HIGH COMPARED WITH THE OTHER TWO BENTLEY 36 B.N. BORG & BECK CLUTCH AFTER 17000 MILES TEST ROLLS-ROYCE LTD. PAGE WORKS 7 JUL 1936 DERBY. | ||