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).
Comparative table of starter motor particulars, sheet 2.
| Identifier | ExFiles\Box 64\2\ scan0193 | |
| Date | 12th September 1928 | |
| X.7625 COMPARATIVE STARTER MOTOR PARTICULARS. 2. Headers: Motor., Arm. dia., Arm: condrs., Field turns., Arm: Resis., Field Resis., Field turns / arm:conductors., Field Resis. / arm:resis. Row 1: S.S.1. G2., 3.100, 82, 6.5, .0079, .0138, .079, 1.75 Row 2: SS.{S. Smith}2A. J.{Mr Johnson W.M.}, 3.100, 82, 6.5, .0080, .015, .079, 1.875 Row 3: SS.{S. Smith}2B. K.{Mr Kilner}, 3.100/2.900, 90, 6.5, .0138, .0130, .072, .94 Row 4: L, 3.100 (struck out) 3.000, 82, 6.5, .0090, .0122, .079, 1.355. Note: Teazer .39 Ohms. Row 5: (Longer) N, 3.100 (struck out) 3.000, 74, 4.5, .0095, .008, .061, .84. Note: Teazer .56 ohms. 12.9.28. X.7625 (written vertically on right margin) | ||