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).
The findings from an examination of a customer's noisy rear axle.
| Identifier | ExFiles\Box 96\1\ scan0112 | |
| Date | 24th May 1937 | |
| To Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} ~~or HPS.{Horace Percy Smith - Experimental Factory Mgr}~~ ~~or RHG.~~ 361 HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth}1/EP.{G. Eric Platford - Chief Quality Engineer}24.5.37 Customer's Rear Axle. Chassis No. 178.J.D. Axle No. H.2 B.D. Complaint :- Noisy, over-run from 1600 to 1400 revs. on examination found :- Pinion Housing - instead of .002" nip on Pinion bearing there was .004" slack, this definitely is not due to wear on the adjustment washer. Driving Flange acme thread has been fouling housing cover and all the felt retaining washer was missing. Housing Cover GB.2018, faces not flat being distorted .002" Pinion Housing GB.2017, .075" radius in bottom of housing has a slight step at commencement of radius, this will cause false settings. Pinion Adjustment washer GB.2012/16, this washer varies .002" in thickness. Pin in Driving shaft for adjustment washer has been picking up due to holes in shafts not being size and pin allowed to revolve. Alum turnings in Drain plug. HPS{Horace Percy Smith - Experimental Factory Mgr}/R.Hollingworth. [Signature] | ||