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).
The length of nickel ballast resistance wire for the Goshawk engine.
| Identifier | ExFiles\Box 54\5\ Scan188 | |
| Date | 2nd March 1922 | |
| To By {R.W. Bailey - Chief Engineer} /WER, from EFC. {E. Fowler Clarke - Electrical Engineer} c. RHC. {R. H. Coverley - Production Engineer} X3485 EFC {E. Fowler Clarke - Electrical Engineer} 2/T2.3.22. X.3485 - GOSHAWK BALLAST RESISTANCE. The length of No.31 S.W.G. nickel ballast resistance wire finally decided upon is 30¼" exclusive of ends for connection. As regards the specification of the number of turns, which we take it the D.O. desire to specify on the detail, this we will leave to them to specify. EFC. {E. Fowler Clarke - Electrical Engineer} | ||