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 Goshawk dynamo experiments to be run on an experimental chassis.
| Identifier | ExFiles\Box 50\5\ Scan234 | |
| Date | 4th October 1923 | |
| X. 4333 4.10.23. X.4383 - GOSHAWK DYNAMO EXPERIMENTS TO BE RUN ON EXPERIMENTAL CHASSIS. X.4333. (1) Field fuse. (2) Heavier brush spring pressure. (3) Brushes in other materials than Le Carbone 'Z'. (4) Armature with parallel slots. (5) Dynamo fitted with B.L.I.C. voltage Regulator. Up to RHC.{R. H. Coverley - Production Engineer} (6) Specially undercut commutators. (7) Improved dynamo brush springs. (8) New brush gear E.A.C. type. (9) Trailing edges of poles eased off. D.51059. By/Dsl/ML15.8.23. (10) End bracket in cast iron. (11) Armature with two coils per slot, using one dummy coil. No. of virtual conductors 14. No. of actual conductors 456. No. of working coils. 57. D.51070. D.51115 By/Dsl/ML15.8.23 & By/Dsl/ML5.9.23. | ||