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 modifications and their status for the E.A.C. 'V' Series engine.
| Identifier | ExFiles\Box 69\3\ scan0100 | |
| Date | 6th March 1925 guessed | |
| MPHIVES. E.A.C. - "V" SERIES. X8770 FROM By/SS{S. Smith} Section. | Description of Modification. | Remarks. Crankcase & Bearings. | Engine Bearer Arm as Nickel steel forging. | 100 sets only ordered (Handwritten: 300) (Handwritten: Scrat) | Stiffening Tube Brazed inside existing suspension tube. | Instructed for all 300 production sets. (Handwritten: Retain) | New Cover for Dynamo Drive Oil to cure oil leaks. Lec.2022. | Now being detailed for Exptl:Sets. Spring Drive. | Driving Spring E.72864. Exptl:Dept: advised us to "Go slow". | 100 sets only ordered (Handwritten: 300) (Handwritten: 300 sets) | Modifications to facilitate removal when in position in chassis. | We have to scheme out modification. (Handwritten: O/K) | Fan Pulley Rims as pressing or Forging. | Works would like to continue with pressings. (Handwritten: 100 sets) | Starting Handle Dog with 3 milled teeth similar to Exptl:20HP. | Now in hands of Exptl:Dept: Connecting Rod. | Small End Bushes will have to be ground out if we decide to use "Shrink fit" gudgeon pins in existing pistons. | Piston. | | Works have been instructed to "Go slow". | ||