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 showing the main bearing loads for the Condor III engine.
| Identifier | ExFiles\Box 103\3\ scan0019 | |
| Date | 17th May 1923 | |
| N.SCHEME 1582 POLAR DIAGRAM OF MAIN BEARING LOADS. CONDOR III. S.a.g. 17-5-23. N.SCHEME 1582. Left Diagram Data: I.M.E.P. { Max. Press - 780 LBS/D", 0 LBS/D" { Mean Press - 657 LBS/D" ¢ OF B UNIT CYLS. ---- I.M.E.P. - 0LBS D" ---- I.M.E.P. - 161 1/2 LBS D" 1900 R.P.M. No 1 BEARING 3.000" DIA x 1.900" LONG PROJECTED AREA = 5.700 D" I.M.E.P. { Max. Press - 850 LBS/D", 161 1/2 LBS/D" { Mean Press - 635 LBS/D" Right Diagram Data: I.M.E.P. { Max. Press - 802 LBS/D", 0 LBS/D" { Mean Press - 675 LBS/D" ¢ OF A UNIT CYLS. ---- I.M.E.P. - 0LBS D" ---- I.M.E.P. - 161 1/2 LBS D" 1900 R.P.M. No. 7 BEARING. 3.000" DIA x 1.850" LONG. PROJECTED AREA = 5.550 D" I.M.E.P. { Max. Press - 875 LBS/D", 161 1/2 LBS/D" { Mean Press - 653 LBS/D" Center Data: DIAGRAM OF CRANKS. DATA. CONN. ROD CENTRES = 13.000 RECIPG. WEIGHT = 5.200 LBS. PER CYL. ROTATING WEIGHT = 7.070 LBS CENTRIFUGAL FORCE OF CRANK 2677.500 LBS ARRANGEMENT OF BEARINGS. Stamp: ROLLS-ROYCE, LTD. PRINT ROOM 27 JAN 1928 DERBY | ||