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).
Circuit diagram of the condenser and contact points for an R distributor, for both positive and non-positive earthing connections.
| Identifier | WestWitteringFiles\M\2April1925-June1925\ Scan57 | |
| Date | 7th May 1925 guessed | |
| DIAGRAM OF THE CONDENSER AND CONTACT POINT CIRCUIT SHOWING THE VARIOUS POINTS OF CONTACT OF R DISTRIBUTOR (20H.P. AND E.A.C.) LEFT DIAGRAM: WITHOUT POSITIVE EARTHING CONNECTION L.T. TERMINAL CONDENSER LID{A. J. Lidsey} CONNECTING STRIP SCREW THREAD OF POINT CONDENSER LID{A. J. Lidsey} TO FOIL CONDENSER POINTS FOIL TO CONDENSER CASE SPRING TO LEVER CONDENSER CASE TO DISTRIBUTOR CASE PIVOT TO LEVER SPRING TO DISTRIBUTOR CASE DISTRIBUTOR CASE DISTRIBUTOR CASE, ENGINE ETC TO FRAME. RIGHT DIAGRAM: WITH POSITIVE EARTHING CONNECTION. L.T. TERMINAL CONDENSER LID{A. J. Lidsey} CONNECTING STRIP SCREW THREAD OF POINT CONDENSER LID{A. J. Lidsey} TO FOIL CONDENSER POINTS FOIL TO CONDENSER CASE SPRING TO LEVER COND'R CASE TO EARTHING STRIP PIVOT TO LEVER COND'R CASE TO DIST'R CASE SPRING TO DISTRIBUTOR CASE EARTHING STRIP TO DIST'R'S CASE. DISTRIBUTOR CASE DISTRIBUTOR CASE TO CABLE DISTRIBUTOR CASE, ENGINE ETC TO FRAME. CABLE TO FRAME. BOTTOM: FRAME. | ||