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).
Copy of a cable discussing front spring stiffness and riding improvements on the Phantom model.
| Identifier | ExFiles\Box 43\2\ Scan108 | |
| Date | 7th April 1926 | |
| COPY OF CABLE RECEIVED IN LONDON 7th APRIL 1926 CLAUD JOHNSON ROLHEADRolls-Royce telegram address LONDON WE FIND RIDING A PHANTOM MAINLY AFFECTED BY THREE FEATURES TENDING TO STIFFEN FRONT SPRINGS AS COMPARED WITH OUR PRESENT SILVER GHOST STOP FIRST SPRINGS ARE THIRTEEN PERCENT STIFFER DUE TO LESS INITIAL DEFLECTION SECOND WIDE AXLE PAD STIFFENS SPRING EIGHT PERCENT THIRD INCLINED POSITION FRONT SHACKLE STIFFENS SPRING TEN PERCENT DUE TO HORIZONTAL TENSION STOP HAVE MADE PAIR OF SPRINGS TO GIVE STIFFNESS CORRESPONDING TO THREE AND HALF INCHES INITIAL DEFLECTION WHEN FIXED TO WIDE AXLE AND HAVE SET FRONT SHACKLES VERTICAL STOP RESULT NOTABLY IMPROVED RIDING NO APPARENT INCREASED TENDENCY TO WOBBLE WITH SEMI BALLOON TIRES WRITING OLLEY | ||