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).
Drawing of a modified crankshaft damper for the Peregrine II engine.
| Identifier | ExFiles\Box 2\3\ B002_X 116 117 119 120-page22 | |
| Date | 26th October 1939 | |
| LeC 3259 DAMPING TORQUE SHOULD BE 12 LBS AT 15° SLIP THIS END TO BE IN A SOFT CONDITION FOR RIVETTING. S/S Ref K 2 - .250 TAPPED HOLES .500 DEEP FOR WITHDRAWING HUB 2 .201 DIA HOLES FOR TABS OF LOCKING WASHER RADIAL CLEARANCE .010" SCALE ¼ MODIFIED CRANKSHAFT DAMPER. PEREGRINE II LOCKING WASHER ROLLS-ROYCE LTD. HUCKNALL AERO DERBY. A H Pearce 26.10.39. LeC 3259 | ||