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).
Electrical work and repairs carried out on experimental car 10 B.V.
| Identifier | ExFiles\Box 163\4\ img100 | |
| Date | 27th March 1944 | |
| Rm{William Robotham - Chief Engineer}/RC{R. Childs}/CAR.2/DH.{D. Henderson - Showroom} 27.3.44. ELECTRICAL WORK DONE ON CAR 10 B.V. Experimental car, 10 B.V. was completed and put into service in May, 1939. It has, therefore, been running for nearly five years, during which time it has travelled 49,499 miles. This car has been on loan, or hire, to the R.A.F. who recently returned it for overhaul. On examining the system it was clear that the wiring had been seriously interfered with; the Distribution Board in particular having the appearance of having been stripped of its original cables, and roughly rewired with a few essential cables, all of the same colour, (black and white) and the same capacity (about 40/36. In addition, the following specific points were noted and subsequently dealt with :- 1) Two of the secondary fuses on the Dist. Board had been made extremely heavy; four strands of about 22 S.W.G. copper wire being used in one, and one strand of 18 or 20 S.W.G. wire in the other. These were corrected. 2) On stripping the dynamo for cleaning it was found that the tape insulation, on the field coils, had deteriorated and broken away near the junction of coil winding, and lead-out flexibles, so that the joint was in danger of earthing on the yoke. As repairing involved removing and retaping all the field coils, it was considered advisable to fit a new machine. 3) The insulation of the two cables, running to the dynamo terminals, was badly damaged. The cables were repaired. 4) The two cables connecting the Trafficators to the earth terminal had been overheated sufficiently to char the insulation. This, presumably occurred through a break in the insulation allowing the cable to come into contact with some 'live' part behind the instrument panel. These cables were re-insulated with sleeving. 5) The wiring to two auxiliary lamps at the front was damaged and ragged. These points were completely rewired. Continued - | ||