Rolls-Royce Archives
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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).
List of part updates and modifications for various engine components.

Identifier  ExFiles\Box 169\4\  img186
Date  1st February 1933
  
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Ignition Governor & Drive IOP.E.100155 - RR.Sch: 2M.

Complete to the above IOP. & Scheme.
E.100106 Assembly of Driving Shaft.
E.57915 Return Spring modified as follows - 3 Coils - .072 dia: Brunton Wire.

Cross Drive Shaft IOP.E.100131 - RR.Scheme 107.

Complete to the above IOP. & Scheme.
E.100122 Gear Wheel.
E.100124 Cross Shaft.

Water Pump IOP.E.100157 - RR.Scheme 234.

E.100512 Spindle - Nitralloy.
E.79892/3 Thrust Screw and Pad.

Oil Pump IOP.E.100601 LeC.3346.

Improved Oil Pump position to LeC.3346.
E.100992 Casing.
E.100993.Cover.

Petrol Pump IOP.E.100860 - LeC.3184.

Complete to the above IOP. & Scheme - fitted with "Single Ply" Bladder Diaphragm and one A.C.Diaphragm.
Diaphragm Washers to He.920-1-8-as shown on He.924.
Union fitted in place of Banjo on delivery side.

Oil Fittings IOP.E.100219 - RR.Scheme 102-146-216.

Complete to the above IOP. & Schemes.

Oil Filter IOP.E.57551 - LeC.2949-3291.

E.101043 Cap, in conjunction with New L.H.Crankcase to LeC.3291.

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