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).
Polar diagrams of big end bearing loads for the Condor III engine.
| Identifier | ExFiles\Box 103\3\ scan0017 | |
| Date | 7th January 1931 | |
| N.SCHEME 1581. C OF "A" UNIT CYL: C OF "B" UNIT CYL: POLAR DIAGRAMS OF BIG END BEARING LOADS. CONDOR III. S.L.G. 18-5-23 1900 R.P.M. ---- = I.M.E.P. = 0 LBS / □'' ----- = I.M.E.P. = 161 1/2 LBS / □'' DATA. MEAN RUBBING VELOCITY = 1367 FT PER MIN. CONNECTING ROD CENTRES = 13.000'' RECIPROCATING WEIGHT = 5.200 LBS PER CYL: ROTATING WEIGHT = 7.070 LBS. PROJECTED AREA OF BIG END = 7.150 SQ: IN: MAX BEARING PRESS = 873 LBS / □'' MEAN BEARING PRESS = 675 LBS / □'' MAX BEARING PRESS = 1,000 LBS / □'' MEAN BEARING PRESS = 723 LBS / □'' ROLLS-ROYCE, LIMITED PRINT ROOM 7 JAN 31 DERBY | ||