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).
Vehicle condition report detailing wear and issues on steering, suspension, clutch, and gearbox components after testing.
| Identifier | ExFiles\Box 4\9\ 09-page141 | |
| Date | 1st September 1925 guessed | |
| - 5 - At 5,250 miles approximately, the O.S. steering arm, bolted to pivot, was found slightly loose. Apparently the bolts had stretched. The nuts were tightened up three castellions. Cross steering tube, and side steering tube ball and joints - no further slack has developed. Brake operating shafts on axle have functioned O.K. and are in a good condition. Front Springs. The N.S.F. spring to Drwg. F.53585 was taken off, due to second leaf from bottom being broken, and Nos. 6, 7, 8 & 9 leaves having cracked. New F.53585 spring fitted. O.S. spring, from outside examination, still appears to be O.K. The buffer clearance when the car is normal is - N.S. 2.062" O.S. 2.062". On moderately rough roads, medium to high speeds, springs are continually hitting buffers. Front shock absorbers. These have given satisfactory results during the test, and appear to be in good condition. Clutch. We have experienced no trouble with clutch. The slight jaggers experienced at beginning of test have disappeared during continuation of test. It is now smooth in action. No slipping has occurred. There has been a slight squeak occasionally from the clutch trunnion. Gearbox. There are slight leaks of oil from housing covers. A slight leak of oil also from speedometer drive housing, & at flange where servo brake levers are anchored to gearbox. At 5,000 miles, no oil was required in the gearbox. We have had no occasion of any gears tending to jump out of mesh. Gear change mechanism. This is quite O.K. Servo & servo gears. The servo jaggers when cold, when the brake is applied suddenly. These die out as the box warms up. It has not been necessary to adjust the servo, during the continuation of run. A fair amount of wear has developed in connecting links, & pins between brake pedal and brake equalising shaft. The amount of this wear is shown by a loss of 0.250" movement on brake pedal, before same operates cam/s of servo. Servo gear rattles have not become more pronounced during continuation of test. These vary in amplitude according to load put upon car when accelerating. Also, they are more pronounced after box has warmed up. The damped arm on servo linkerage has operated O.K. We have had no occasion of thumping on front brakes during continuation of test. Pedals, "D" type, to L.O.F. F.53506. Considerable wear has developed in clutch pedal bearing. Slight wear has also developed in foot brake pedal bearing. Accelerator pedal is O.K. | ||