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 report detailing modifications and their completion status for the Merlin 'G' engine.
| Identifier | ExFiles\Box 161a\4\ scan0158 | |
| Date | 20th October 1936 | |
| ITEM. (13) DESIGN POSITION. MERLIN "G" ENGINE. Modified bearing bracket bolt, rear camshaft bearing. Completed 23.9.36. Mock-up scheme for wiring conduits in Vee. " 23.9.36. Mod. to valve rockers - to facilitate production. " 1.10.36. Mod. to cylinders - sloping plugs. " 8.10.36. Ignition wiring conduits in "Vee". " 10.10.36. Extended spring loaded nut - for use on ignition wiring on inlet side. " 10.10.36. Spring loaded nut for use with breeze type cable - ignition wires." " 10.10.36. Mod. to cylinders - to improve top joint. " 20.10.36. Lightened engine - magnesium induction manifolds. Completed. " " magnesium induction pipe. " " " magnesium R.A.E. compressor adaptor. " " " magnesium B.T.H. " " " modified camshaft drive. " " " magnesium camshaft brackets and caps. " " " crankshaft modifications. " Mod. to sloping rocker covers. Completed 20.10.36. Oil feed pipe - constant speed unit to front of crankcase. In hand. Sloping rocker covers. Completed 13.10.36. | ||