Blueprint showing a modification for a Bentley 4 & 25/30 HP, comparing an existing scheme to a new one with a castellated nut.
| Identifier | ExFiles\Box 129\1\ scan0072 | |
| Date | 18th November 1936 | |
| MODIFICATIONS BENTLEY 4 & 25/30 HP Ex I 85 FIG 1 SHOWS EXISTING SCHEME. NOTE-KNIFE-EDGE CONTACT SURFACES AT XY FIG 2 SHOWS NEW SCHEME. NOTE:-BETTER CONTACT SURFACES AT XY.- ALSO CASTELLATED NUT FIG 3 SHOWS HOW CUTTING TOOL IS USED SECTION AA {D. Abbot Anderson} FIG 1 SECTION AA {D. Abbot Anderson} FIG 2 HAND CUTTING TOOL SECTION OF CUTTING TOOL FIG 3 | ||
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).