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 diagram of main bearing loads for the Condor III engine at 1900 R.P.M.
| Identifier | ExFiles\Box 103\3\ scan0020 | |
| Date | 16th July 1924 | |
| D.E.S. 487. ¢. OF 'B' UNIT CYLS. ¢. OF 'A' UNIT CYLS. 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 LBS/□". ----- I.M.E.P. = 0 LBS/□". _____ I.M.E.P. = 161 1/2 LBS/□". DATA. CONN. ROD CENTRES = 13.000". RECIPG WEIGHT = 5.200 LBS. PER CYL. ROTATING WEIGHT = 7.070 LBS. CENTRIFUGAL FORCE OF CRANK = 2677 1/2 LBS. CENTRIFUGAL FORCE OF BALANCE WTS. = 3100 LBS. I.M.E.P. = 161 1/2 LBS/□". MAX. PRESS = 942 LBS/□". MEAN PRESS = 600 LBS/□". DIAGRAM OF CRANKS. 1&6, 2&5, 3&4. ¢ OF BALANCE WT FOR N° 1 & 6 CRANKS. 30°. ¢ OF BALANCE WT FOR N° 3 & 4 CRANKS. 30°. ARRANGEMENT OF BEARINGS. I.M.E.P. = 0 LBS/□". MAX. PRESS = 892 LBS/□". MEAN PRESS = 734 LBS/□". 1900 R.P.M. N°4 (CENTRE) BEARING. 3.000" DIA. x 2.300" LONG. PROJECTED AREA = 6.900 □". POLAR DIAGRAM OF MAIN BEARING LOADS. CONDOR III. E.W.H. 16-7-24. ROLLS-ROYCE, LIMITED PRINT ROOM. D.E.S.487. | ||