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).
Amendment to the production test specification for the ignition distributor and contact breaker on 20 HP & 40/50 HP models.
| Identifier | ExFiles\Box 70\4\ scan0110 | |
| Date | 16th March 1926 | |
| X8781dr To SFT{Mr Swift}/Mr. Brock. c. BY.{R.W. Bailey - Chief Engineer} BY/RD. EFC3/T16.3.26. 20 HP. & 40/50 HP. PRODUCTION INSPECTION, ADJUSTMENT & TEST OF IGNITION DISTRIBUTOR & CONTACT BREAKER. Will you kindly note that the following paragraph should be added to both the 20 HP. and 40/50 HP. battery ignition contact breaker & distributor production test specification, i.e. to our sheets X.3604dr. and X.8781dr. of 15.5.25, and we attach copies (two for Mr. Brock) of this additional paragraph, one for each case. The additional par. in question is :- "The tangential force at lever pin radius necessary to advance or retard the ignition distributor shall lie between the limits 1 1/4 to 2 1/4 lbs weight." EFC. | ||