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).
Schematic for experimental adjustable torque reaction dampers for the Peregrine II engine.
| Identifier | ExFiles\Box 2\10\ 10-page35 | |
| Date | 7th November 1932 | |
| SCALE = 1/1 EXPERIMENTAL ADJUSTABLE TORQUE REACTION DAMPERS PEREGRINE II IMPORTANT: - THIS SCHEME IS NOT INTENDED IN THE FORM SHOWN FOR PERMANENT USE. IT IS PURELY A TEMPORARY MODIFICATION TO LEC 3266 TO ENABLE VARYING DEGREES OF DAMPING TO BE TRIED. THE SPRING SHOWN ON LEC 3268 IS OF THE SAME LOADING & RATING AS THAT USED ON LEC 3266, & WHEN THE DESIRED SETTINGS OF THE DAMPERS HAVE BEEN ESTABLISHED THE SPRING FOR LEC 3266 CAN BE SET SPECIFIED AT THE CORRECT FREE LENGTH. SPRING DIA OF WIRE - 12 S.W.G. (.104) MEAN DIA - .5125 LOAD - 40 LBS STRESS - 92,760 DEFLECTION - .1725 RATE - 23 LBS PER INCH NUMBER OF WORKING COILS - 7 3/4 COIL AT EACH END GROUND SQUARE LEC 3268 THOMAS TYPCH N/C 1B RATE DERBY. | ||