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 increased bearing areas for a Phase III component, with a dimensional data table and diagram.
| Identifier | ExFiles\Box 115\1\ scan0346 | |
| Date | 4th June 1937 | |
| Table: | | L | R | l | T | % INCR IN BRG. AREA | |---|---|---|---|---|---| | FRONT & CENTRE | As NOW | .093 | As NOW | .093 | 12% | | REAR | " | " | " | .100 | 15% | | INTERMEDIATE | " | " | " | " | 17% | | MASTER BIG END | 2.200 | " | 2.150 | .100 | 25% | | PLAIN BIG END | .920 | As NOW | .910 | CHAMFER AS NOW | 25% | Diagram Labels & Dimensions: L R l T .650 DIA OF JOURNALS 2.965 .020 Notes: INCREASED BEARING AREAS - PH III USE PACKARD TYPE BALANCE WEIGHTS LARGER CONN. ROD FORGINGS REQD THE THRUST AREA ON THE REAR BEARING SHOULD NOT BE REDUCED THESE DIMENSIONS INCREASED BY .170 THIS DIMENSION UNALTERED Stamp: ROLLS ROYCE, LTD PRINT ROOM 4 JUN 1937 DERBY | ||