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).
Instructions on using two condensers in parallel for ignition systems to improve sparking.
| Identifier | ExFiles\Box 35\6\ scan 061 | |
| Date | 6th November 1918 | |
| RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To ______________ 19__ Order No. ______________ Customer's No. 5. Two condensers in parallel. Various rough tests made recently have shown that doing this, even with platinum points, often increases the certainty of sparking, although the maximum spark length obtainable is slightly reduced. This seems to confirm that missing is sometimes due to sparking at the contacts. Also it is to be noted that all the American ignitions we have examined, use condensers, ranging from .30 mf to .50 mf. capacity, as (contd) Signed ______________ This Sheet must be filed on completion of the work. | ||