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).
Blueprint for a proposed lightened flywheel.
| Identifier | ExFiles\Box 5\6\ 06-page031 | |
| Date | 23th December 1927 | |
| OPERATION MACHINE TOOL TOOL Nº WEIGHT LBS.: A 40.51, B 9.837, C 15.36 PRINCIPAL AXIS OF GYRATION INS: A 6.656, B 4.094, C 5.59 POLAR MOMENT OF INERTIA LB.IN.S²: A 179.4, B 36.84, C 47.88 Exp^t OMLT. PLACE ALL COPIES TO PATT WORKS FORGE T.O. S.R. D.O. R.{Sir Henry Royce} R.D. AMERICA T.D. COST DRAWN TRACED CHECKED APPROVED LIMITS OK DATE 10-1-27 USED ON 13.000 DIA. +10 -10 Tap .375" or .437" and fit special studs. 13.100 DIA. ±10 Fit studs not over 9.250 DIA. +10 -10 14.000 DIA. +10 -10 .675 Δ +0 +1 1.300 +0 +1 .250 R BSF 1/32" RAD. 60º .125 Rad. +10 -0 .250 Rad. +10 -0 See memo R3/M28.11.27 SCALE HEAT TREAT BRINELL STANTON MACHINE ALL OVER OR WHERE MARKED THUS Δ TITLE: Proposed Lightened Flywheel. MATERIAL SPEC Nº G51212 LIGHTENED. R.R LTD. R3 23 DEC 1927 | ||