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).
Production test table for S.S. Sliding Armature Starter Motors, listing test results for various motor designs.
| Identifier | ExFiles\Box 70\4\ scan0166 | |
| Date | 16th July 1929 | |
| PRODUCTION TEST TABLE OF S.S. SLIDING ARMATURE STARTER MOTOR Date. | Motor design | (1) (a)(b)(c)(d)(e)(f) Remarks | (2) & (3) Remarks | (4) Amperes > 30 | (5) Remarks | (6) Amperes > 13 | (7) Remarks 20-7-29 | C.D. 25 | O.K. (e) .790 .175 (f) .200 (.042) | O.K. | 25.5 | O.K. | 9.5 | O.K. 22-7-29 | FA.95 | O.K. (e) .790 .182 (f) .195 (.027) | Pinion examined. O.K. | 27.5 2nd time 25.0 | Sticking slightly in two places. Retd & rectd. O.K. | 11.0 | O.K. 29-7-29 | Retested C.D.35 24-8-29 | O.K. (e) .770 .170 (f) .190 (.025) | O.K. | 27.0 | O.K. | 12.0 | OK 23-7-29 | C.D.45 | O.K. (e) .775 .170 (f) .185 (.042) | Pinion examined. O.K. | 28.0 | Sticking at driver end. Retd. Returned to be rectd. OK | 10.0 | O.K. 24-7-29 | C.D.55 | O.K. (e) .775 .175 (f) .187 (.034) | Pinion examined. O.K. | 28.3 | O.K. | 10.0 | O.K. 24-7-29 | CD.65 | O.K. (e) .790 .170 (f) .215 (.025) | Breakdown on insulation between F coils & brush-gear. Rectd. O.K. | 25.8 | O.K. | 11.0 | Pinion examined. O.K. 25-7-29 | C.D.75 | O.K. (e) .790 .175 (f) .200 (.029) | O.K. | 28.0 | O.K. | 9.5 | Pinion examined. O.K. 30-7-29 | C.D.85 | O.K. (e) .790 .180 (f) .210 (.045) | O.K. | 27.0 | OK | 8.5 | OK 16.7.29. | ||