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).
Instruction sheet detailing a test to measure the wear on various distributor components.
| Identifier | WestWitteringFiles\J\February1923\ Scan46 | |
| Date | 30th October 1922 | |
| RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.C. Date: Oct. 30th 1922 Order No: P.B. 63 Customer's No: X 3485. so as to get the maximum of wear of the rubbing block. The condition of those parts likely to alter in any way during the test was observed before and after the test, the results being given below. | Part of Distributor | Before Test | After Test | Remarks. | |---|---|---|---| | Rubbing block. | .261" wide across widest part (centre) | .240" across centre. | Maximum wear .021". | | Condenser. | .276mf | .261mf | checked periodically. Varied up and down within limits during test. | | Spring. | 1.1 lbs load on points | .78 lbs | " | | Plat. point gap. | .021" | .009" | For .5 make ratio. | During the run the metal work inside the distributor became pitted with rust, especially the cam; probably because it was not nickel covered. The points in Cont'd.{John DeLooze - Company Secretary} Signed This Sheet must be filed on completion of the work. | ||