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).
Test record detailing the design and performance of a Conner magneto.
| Identifier | ExFiles\Box 48\3\ Scan080 | |
| Date | 7th March 1921 | |
| K.R. 275a. (100 T) (S.H. 189, 11-8-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2500 X. 4210 -1- X.430. FORM FOR RECORDING DETAILS OF MAGNETO DESIGN AND PERFORMANCE. Date:- March. 7th 21. Magneto on test, Maker :- Conner. X. No. :- 4210. Type :- C.M.1. No:- 8263. (1) Weight in pounds. 16.1. (2) Remarks re mechanical and electrical design and noiselessness of operation. Long cams. No additional earthing brushes. Extended pole-shoe with low resistance copper band. Heavily constructed distributor. Aluminium damper ring on distributor gear. Oilways provided for both bearings. (3) Radial air gap (inches) :- .006. " " (mm) :- .15. (4) Length of h.t. safety gap (inches) :- .343. " " (mm) :- 8.7. Contd. | ||