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).
Drawing of a big end bearing top half for a piston.
| Identifier | ExFiles\Box 115\4\ scan0041 | |
| Date | 28th November 1939 | |
| BUY 47 DRG. N°: BF0402 SHEET SIZE N°: C DIMENSIONS: .060" .050" .025" R .020" .105" R .095" .0615" .0616" .007" OFFSET OF FLANGE & UNDERCUT 2.1280" DIA. 2.1266" 2.124" DIA. 2.122" 2.260" DIA. 2.255" 1.335" 1.334" 1.176" 1.175" 0.797" 0.792" 1.0635" 1.0630" 1.057" 1.055" .251" DIA .250" .5897" .5857" .4475" DIA .4375" NOTES: WHEN MEASURED IN 2.1266" GAUGE MATL AC9 CASTING No OP SCHEDULE No FINISH:- DIAMOND BORED MARK ON:- EW1749 PAT Nos 470249, 472248 B.R.L.TD West? TITLE BLOCK: WELLWORTHY PISTON RINGS LIMITED TOOL OR PART: BIG END BEARING, TOP HALF FOR ROLLS ROYCE, LTD. PART N°: EW1749 MACHINE NAME & N° DRAWN: W.H. CHECKED: ADDITIONAL SHEETS: DATE: 28.11.39 SHEET SIZE & N°: C DRG. N°: BF0402 | ||