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).
Working clearances of Bentley lead bronze bearings fitted to three specific chassis.
| Identifier | ExFiles\Box 27a\1\ Scan279 | |
| Date | 24th May 1935 | |
| X1265 Rolls Royce Ltd. Experimental Dept. Works ... Hs{Lord Ernest Hives - Chair}/RM{William Robotham - Chief Engineer} Levallois Sr/VAS/GM.24.5.35 c. to RHC.{R. H. Coverley - Production Engineer} c. to Hdr re: Bentley lead Bronze bearings. With further reference to your RHC.{R. H. Coverley - Production Engineer}2/MS.12.1.35, we have very recently fitted lead bronze bearings to the undermentioned chassis against which we give full particulars of the working clearances etc... Chassis B.88.AH, Delacroix:- Fitted on the 10.5.35, Mileage of car 31.478 Kms. Dia. of crank pins of crankshaft. Nos. 1,2,3,4,5,& 6 = 1.9985" Internal dia. of lead bronze bushes. Nos. 1,2,3,4,5, & 6 = 2.0015" = .003" working clearance. Chassis B.6.BN{W.O. Bentley / Mr Barrington}, Mr. E.E. Blanc.- Fitted on the 13.5.35 Mileage of car 16.700 Kms. Dia. of crank pins of crankshaft. Nos. 1,2,3,4,5, & 6 = 1.998" Internal dia. of lead bronze bearings. Nos. 1,2,3,4,5 & 6 = 2.001" = .003" working clearance. Chassis B.179.BL, Mr. Arathoon.- Fitted on the 15.5.35 Mileage of car 17.000 Kms. Dia. of crank pins of Crankshaft. Nos. 1 & 6 = 1.9985" Nos. 2,3,4, & 5 = 1.998" Internal Dia. of lead bronze bearings. Nos. 1 & 6 = 2.0015" } = .003" working clearance. Nos. 2,3,4 & 5 = 2.001" The above information is for record purposes. We trust that you will find the above quite clear. Sr/VA.VA | ||