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).
Flywheel vibration test data for a 25 HP engine, detailing deflection measurements under increasing loads.
| Identifier | WestWitteringFiles\U\August1930-November1930\ Scan169 | |
| Date | 6th November 1930 | |
| ORIGINAL To R.{Sir Henry Royce} From Hs{Lord Ernest Hives - Chair}/Sn.{Mr Sanderson} c. to Sg.{Arthur F. Sidgreaves - MD} Wor.{Arthur Wormald - General Works Manager} c. to E.{Mr Elliott - Chief Engineer} Da.{Bernard Day - Chassis Design} c. to Ey. Hs{Lord Ernest Hives - Chair}/Ra.2/MJ.6.11.30. X634. X5300. FLYWHEEL VIBRATIONS. 25 HP With reference to Hs{Lord Ernest Hives - Chair}/Sn.{Mr Sanderson}3/MJ.31.10.30. Herewith figures taken with the crank at right angles to and parallel to the direction of load application. - No.6 CRANK AT 90° PAST B.D.C. LOAD ON LEVER - Ls. DEFLECTION INS. Clock A.{Mr Adams} Clock B. Clock C. Clock D.{John DeLooze - Company Secretary} Zero. Zero. Zero. Zero. Zero. 20 .003 .004 .0035 .002 40 .005 .0085 .008 .005 60 .0075 .0125 .011 .007 80 .010 .016 .015 .009 100 .012 .020 .0195 .0115 SET 0 0 0 0 | ||