Specification revision notice for a Merlin II engine unit, comparing previous and revised component specifications.
| Identifier | ExFiles\Box 169\4\ img100 | |
| Date | 30th September 1932 | |
| To Hs. {Lord Ernest Hives - Chair} from RRC/VSC. or Hs. {Lord Ernest Hives - Chair} By WH. or FD. {Frank Dodd - Bodies} RRC/TSC13/IS.30.9.32. MERLINAero Engine II - NO.1.UNIT - (1-Per.II. CHASSIS.) specification of the above Unit is revised as follows.- PHANTOM TO TEST 28.9.32. Previous Specification. Crankcase & Bearings IOP. E.100293. Flywheel & Clutch IOP.G1C0500. 12-G.100479 Driving Blocks - Rubber - removed. Servo Motor Mechn IOP.G.100655. 1-G.100589 Servo Shaft-Inner Pressure Plate - having under-cut. G.100588 Friction lining - R.A.D.13 - removed. Distributor IOP.D.53054. Complete to the above IOP. removed. Revised Specification. Crankcase & Bearings IOP.E.100293. The following details fitted incorporating LeC.3191 Extra Bearing at Front End of C'shaft. Ex.7281 Housing - Alum. Ex.7285 Mod. to Damper Hub. Ex.7289 Mod. to R.100146-Front Cover. Ex.7286 Cover. Flywheel & Clutch IOP.G.100500. 12-Hs. {Lord Ernest Hives - Chair} 713 Driving Springs. Servo Motor Mechn IOP.G.100655. New G.100589 Servo Shaft-Inner Pressure Plate- to latest Drg. ie., deletion of undercut. Servo Motor Lined with - V.D.M.20 Lining. Distributor IOP.D.53054. New Distributor modified by altering position of F.T.Rotor Tip reletive to Distributor segments at position of "break" the RRC/VSC. | ||
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).