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).
Design position sheet (sheet 7) detailing the status of various components for the Merlin 'F' engine.
| Identifier | ExFiles\Box 161a\4\ scan0083 | |
| Date | 4th June 1936 | |
| ITEM. (sheet 7) DESIGN POSITION. MERLIN "F" ENGINE. Preliminary drawing of airscrew hub forging - R.R.Heleshaw. Completed 18.5.36. Oil pump bearing test rig. " 19.5.36. Mod. to crankcase top half for Hele Shaw V.P. airscrew. In hand. Cylinder head plug. Completed 22.5.36. Exhaust valve seat modifications. " 21.5.36. Arrangement of spinner - Battle aircraft - Hele Shaw airscrew - preliminary scheme. Completed. Needle roller blade bearing V.P. hub - for test rig purposes. " 28.5.36. Temporary mods to carburetter body to clear framework of first two P.4/34 aircraft. Completed. Main bearing loading diagrams - comparing standard with lightened. " Centre main bearing loads with reduced balance weights. " Supercharger rotor with relieved back plate - to be rig tested for end thrust. " Shortened front end lateral bolts to improve installation clearance. Completed 3.6.36. Supercharger rotor with increased dia. seal to reduce end thrust. Completed. Mods. to carburetter Aneroid covers to increase clearance for removal in "Battle" machine. Completed 4.6.36. Modified exhaust port contours. In hand. | ||