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 for setting the F.A.C. throttle governor operating roller using a spirit level.
| Identifier | ExFiles\Box 66a\3\ scan0070 | |
| Date | 30th April 1925 | |
| TO SET F.A.C. THROTTLE GOVERNOR OPERATING ROLLER SHEET A SPIRIT LEVEL WIRE TO BRING BUTTERFLY TO FULLY CLOSED POSITION SLACK OFF BITING-IN BOLT E.{Mr Elliott - Chief Engineer} FIX ARM B TO ROLLER AND GOVERNOR SHAFT. PLACE SPIRIT LEVEL ON ARM B AND ROTATE ROLLER BRACKET BY MEANS OF THIS ARM UNTIL BUBBLE CENTRALISES. BRING ARM D IN CONTACT WITH ROLLER A.{Mr Adams} CLOSE BUTTERFLY THROTTLE BY MEANS OF WIRE C. TIGHTEN UP BOLT E.{Mr Elliott - Chief Engineer} THE THROTTLE IS THEN SET FOR SLOW GOVERNOR OPENING. STAMPED TEXT: ROLLS-ROYCE, LIMITED. PXO JOM 30 APR 1925 DERBY | ||