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 locking of flywheel bolts for a 3 1/2 Litre Bentley.
| Identifier | ExFiles\Box 85\2\ scan0030 | |
| Date | 1st August 1933 | |
| LEC 3590 NOTE :- LENGTH OF BOLT & LARGE DIAM. OF TAPER DRILLING SHOULD BE KEPT TO CLOSE LIMITS IN ORDER TO ENSURE CONSISTANT RESULTS. VIEW OF BOLT END BEFORE ROLLING SCALE 2/1 MODIFIES LEC 3549 LOCKING OF FLYWHEEL BOLTS 3 1/2 LITRE BENTLEY SHOULD NOT EXCEED .037 SCALE 1/1 .075 .275 DIA 60° ROLLS ROYCE, LTD. PRINT ROOM AUG 1 1933 DERBY. LEC 3590 HA / 31.7.33 | ||