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).
Test schedule and construction details for an experimental coil.
Identifier | ExFiles\Box 69\1\ scan0284 | |
Date | 2nd January 1930 | |
X. 8710 23.12.29. TESTS OF EXPERIMENTAL COILS TO SCHEDULE. Type of coil :- X.No. 8710 Date 2-1-30 Coil No. L.I.2 Particulars of design and method of construction :- (a) Core. Std (b) Primary. Std (c) Secondary. Std (d) Primary insulation. None between layers. (e) Secondary insulation. 4 turns of waxed paper between first 3 layers and 2 turns between remaining layers. (f) General. This coil was placed on production on 31-12-29. | ||