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).
Instruction sheet for modifying the brush gear on Goshawk motor No. 4.
| Identifier | ExFiles\Box 35\4\ scan 083 | |
| Date | 2nd March 1922 | |
| RR 235 (100 Bks.) (SP{Mr Spinney} 152. 6-11-18.) MP 197880 X. 4384 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C Date: Mar. 2nd 1922 Order No P.B.36. Customer's No. X3534 Brush Gear on Goshawk Motor No. 4. It is required to retard the brushes on this motor, about 4°; that is, nearly one third of a commutator segment. To do this, it will be necessary to slot the holes on the end bracket to the right of the screws, so as to allow the brush-gear to be moved round in the same direction as the armature rotates. E.F.C. Signed C.H.P. This Sheet must be filed on completion of the work. | ||