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).
Continuation sheet of a coil test report, detailing the conditions and procedure for Test 2.
| Identifier | ExFiles\Box 69\1\ scan0233 | |
| Date | 8th December 1924 | |
| RR 238 (150 BKS.) (OB 461-8-12-24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. (2) To_____________________ Order No. WD{Mr Wood/Mr Whitehead}80 (contd) Customer's No.____________ The coil was run continuously for 8 hours under these conditions. Test 2. was conducted immediately subsequent to test 1 and consisted of leaving the coil "on contact" ie distributor short circuited, with a 1 1/2 ballast and a voltage of 15 across the coil and ballast in series. The coil was left in the oven at a temp of 100°C initially the oven being switched off and allowed to cool gradually. This test was done during the night the coil and ballast being left on for 13 hours. At the end of each test Signed (contd) This Sheet must be filed on completion of the work. | ||