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).
Instructions for an experimental moulded Bakelite Commutator with mica insulation for the Goshawk II dynamo.
| Identifier | ExFiles\Box 50\5\ Scan034 | |
| Date | 28th April 1922 | |
| X. 4333 BY/Des/H.{Arthur M. Hanbury - Head Complaints} 28. 4. 22. EXPERIMENTAL TH[obscured]GE C. [obscured]ft. C. TB C. KFC. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} [obscured] Go[obscured]stock. GOSHAWK II. COMMUTATOR FOR DYNAMO. SECTION 8C90. It has been agreed that we produce experimentally, another moulded Bakelite Commutator with mica insulation between the Commutator Bars. Please receive herewith one blueprint of each of the following drawings. Will TB and Sft.{Mr Swift} also receive one set. D.50743. Commutator. D.50744. Assembly of Commutator Segments. D.50745. Commutator Bar, Hard Drawn Copper. 29 off D.50746. Insulating Segments for Commutator. Mica. 29 off. D.5074S. L.O.P. This commutator is an alternative to that previously instructed to L.O.P. D.50653. BY/Ds. TDS [Stamp: [...] D.I.I.I [...] 28 APR 1922] [Initials: HS{Lord Ernest Hives - Chair}] | ||