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).
Technical specifications for a Damper Flywheel Bush, part number B.2301.
| Identifier | ExFiles\Box 115\2\ scan0407 | |
| Date | 21th January 1939 | |
| VANDERVELL PRODUCTS LIMITED. RECOMMENDATION CUSTOMER'S COPY DUPLICATE COPY. FORM NO. VP 14. CUSTOMER: Rolls Royce PART NO.: B.2301 PART NAME: Damper Flywheel-bush MATERIAL: ALLOY V.F.Z. Bronze FIN. I.D.: 2.125-2.126 PLAIN: [ ] BALL IND.: [ ] DEEP [ ] GRAPHITE FILLED: [X] BY: BURNISH [X] REAM [ ] BROACH BURNISH [ ] SPLIT ROUGH I.D.: 2.120 / 2.122 WALL: +- .005 1/16 WALL / +- .010 1/32 WALL PRESS FIT IN: +.006 2.249 / 2.250 HOLE IN HOUSING BUSH LENGTH: .620 GROOVE: --- WIDE x --- DEEP STOCK THICKNESS: .064-.066 ROLL SIZE: --- ROCKWELL: 40-45 1/16 BALL "B" SCALE BLANK: --- x --- CORE: --- DIE: --- DEVELOPED BLANK LENGTH OF BUSH. INSPECTION DATA HANDPUSH FIT IN: 2.258 R.G. GO / 2.256 R.G. NOT GO PLUG: --- GO IN --- R.G. --- NOT GO WALL THICKNESS: .064-.065 PRODUCTION O.K. RECTANGULAR INDENTATION: [X] BALL INDENTATION: [ ] SCALE 2/1 REFERENCE SAME AS: NOTE. Machine 1/32 R.{Sir Henry Royce} on entrance edge of WITH CHANGES: housing. To suit Damper Flywheel E.B. 3973. DATE: 21.1.39 COMPILED BY: J.P. Cole. | ||