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).
Experimental dynamo record sheet logging tests, modifications, and mileage.
| Identifier | ExFiles\Box 165\6\ img222 | |
| Date | 1st July 1930 | |
| 20 HP. EXPERIMENTAL DYNAMO RECORD SHEET. July '30. Stores for disposal. Date. | Location. | Remark. | Particulars. | Chassis miles reading. | Total Dynamo Mileage. ---|---|---|---|---|--- 20 Sept-22 | 3 GI | X. 562(I) | Replacing P3. Arms. Not tested by expl. Bushes fair, + loose fits - trailing corner black edges. Rect R.H.C. Fint for pole chamfering. Rec'd poles chamfered. Tested with met'l (OK) 88c | 2512 | O 29 " " | Lab | | | 1548 | 4. Oct " | Shop | | | 1734 (3GI) | 222 (?) 5. " " | Lab | | 10 " " | 3GI | | | 2091 | 16 " " | Lab | | | 2276 (3GI) | 30 " " | | | Bearings eased. [Page from] +. Bearings rattle, but good. 13 1/2 oz on prod'n test. Control over-advanced. Spacing for 3GI. | 3. Nov 1923 | | | 5 " " | Shop | | Fitted. Noise improved. | 10 " " | 3GI | | Armature runs out for insp'n & testing more "loose". | 17 " " | Lab | | | 2475 | 21 " " | | | Tooth drag. - V.{VIENNA} slight. Output checked. Main obs 12 rets. for expl poles. | 2689 (3GI) | 31 - March-24 | Shop | | Fitted poles +.250" combrace. D5T238. M'Brs 8'ret. | 5 - IV - 24 | Lab | | For end-plate slotting. | 28 - 6 - 24 | Shop | | Slotted for adv. & rets on std setting 5° each way (model-) | 15 - VII - 24 | Shop | | Replacing M(for 28° model-) | 23 - VI - 24 | Lab | | 16 - X - 24 | 7GI | | Replaced by Mon 2GI engine) | 7952 | 28 - II - 24 | Lab | | | ||