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.
| Identifier | ExFiles\Box 70\4\ scan0168 | |
| 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 31-7-29 | PQ 15 | OK (e) .770 .180 (f) .200 (.033) | OK | 30 | OK | 9.5 | OK 31-7-29 | PQ 25 | OK (e) .770 .180 (f) .200 (.025) | OK | 26 | OK | 9.0 | OK 31-7-29 | PQ 35 | OK (e) .790 .180 (f) .210 (.045) | OK | 28 | OK | 9.5 | Tendency to knock on engaging. 1-8-29 | PQ 45 | OK (e) .770 .180 (f) .200 (.025) | OK | 27.5 | OK | 9.0 | OK 2-8-29 | CD 95 | OK (e) .780 .180 (f) .200 | OK | 28.0 | OK | 9.5 | OK 2-8-29 | PQ 55 | OK (e) .780 .175 (f) .195 (.043) | OK | 31.5 | OK | 9.0 | OK 5-8-29 | PQ 65 | OK (e) .775 .180 (f) .210 (.032) | OK | 28.0 | OK | 9.5 | OK 7-8-29 | PQ 75 | OK (e) .790 .170 (f) .205 (.040) | OK | 26.5 | OK | 9.5 | OK 16.7.29. | ||