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).
Blueprint detailing revised throttle controls for a slower start opening on Comet, Cresta, Silver Dawn 80, & Silver Phantom models.
| Identifier | ExFiles\Box 109\1\ scan0166 | |
| Date | 30th August 1939 | |
| EXISTING BELLCRANK MOVED ROUND CLOCKWISE THRO' 2 1/2° TO OBTAIN CLEARANCE WITH VERTICAL PULL ROD. TO OPEN THROTTLE LEVER UNALTERED BACK OF DASH DATUM. ¢ OF STEERING COLUMN THIS PULL ROD SHORTENED. TWO NEW LEVERS. HAND THROTTLE PULL ROD IS UNALTERED. TO OPEN FOOT CONTROLS ARE NOT ALTERED. SCALE 1/4 REVISED THROTTLE CONTROLS - SLOWER START OPENING. - COMET, CRESTA, SILVER DAWN 80, & SILVER PHANTOM - THIS DESIGN MODIFIES E-CD-1376, & FURTHER REDUCES THE RATE OF THROTTLE OPENING AT THE START. GRAPH: - Y-Axis: THROTTLE OPENING (DEGREES) - X-Axis: ACCEL PEDAL MOVEMENT (DEGREES) - Title: THROTTLE OPEN 87° - Line Labels: HAND OPENING, FULL LINE (E-CD-1514), DOTTED LINE AS MODIFIED ON CHASSIS 30GYI IN FRANCE. FOR ALL OTHER PARTICULARS REFER TO E-CD'S 1376/7. ROLLS-ROYCE LTD. PRINT ROOM 30 AUG 1939 DERBY. Handwritten: G.H. Eltay 28/8/39 E-CD-1514 | ||