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).
Diagram detailing the specifications for a successful dust cover modification.
| Identifier | ExFiles\Box 5\3\ 03-page217 | |
| Date | 8th February 1926 guessed | |
| PARTICULARS OF SUCCESSFUL DUST COVER CLEARANCE .050" CLEARANCE .060" .700" STANDARD CLEARANCE (.025) EXTRA FLANGE FITTED TO EXISTING DUST COVER BY 12 ALUMINIUM RIVETS EQUALLY SPACED, AND COUNTERSUNK ON THE INSIDE OF THE DUST COVER. A PACKING RING .040" THICK IS FITTED BETWEEN THE FLANGE AND DUST COVER TO GIVE THE NECESSARY '.040" CLEARANCE. [Stamp in box] ROLLS-ROYCE LTD DRAWING ROOM [...] DERBY | ||