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).
Phantom III Bumper Chassis front suspension components after a 100-hour test.
| Identifier | ExFiles\Box 119\1\ scan0026 | |
| Date | 3rd May 1937 | |
| from HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth} c. to Rm.{William Robotham - Chief Engineer} 1024 HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth}2/VS.{J. Vickers}3.5.37. PHANTOM III BUMPER CHASSIS FRONT SUSPENSION. Report on Main Lever Housings in A/C and plain bushes replacing needle rollers after 100 hours test. Main Lever Housing G.83606-7. Ex.26005. Bush. Ex.26007. " Ex.26011. " Ex.26013. " Ex.26015. " Ex.26006. Roller - Main Lever. Ex.26008. Housing - Bottom Triangle - outer. Ex.26010. Housing - Fulcrum Pin. Ex.26012. " - Bottom Triangle - Inner. Ex.26014. " - Upper Triangle. Main Lever Housing G.83606-7 in A/C. General condition good - crack tested and found O.K. One .312 dia. stud for spring pot pulled out of N.S. housing and several studs loose. Top Triangle Lever Bushes. General condition good - wear negligible; all bushes show signs of hard bedding. Fulcrum pins show hard bedding corresponding to that on the respective bushes. O.S. fulcrum pin G.83960 - top of yoke - worn .0005 on both bearing sections, also grooved at front end due to displaced spring in oil seal. All other pins show negligible wear. N.S. front housing Ex.26014, together with the two O.S. housings have been revolving in the upper triangle levers. Bottom Triangle Lever Bushes. N.S. outer bush Ex.26007 worn .001 bell-mouthed; all other bushes in good condition. continued. | ||