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).
Graph showing servo efficiency curves for various material and mechanical configurations.
Identifier | ExFiles\Box 16\3\ Scan073 | |
Date | 20th June 1929 guessed | |
SERVO EFFICIENCY CURVES (S.S.) SPRING BALANCES FOR ASCERTAINING LOADS 'A' & 'B' RIGGED UP AS SHOWN ON V535. LOAD OUTPUT 'B' (LBS) LOAD INPUT 'A' (LBS.) CURVE 1 CURVE 2 CURVE 3 CURVE 4 CURVE 5 CURVE 6 CURVE 7 CURVE N°1. 45° CAMS: OIL SOAKED "COTTON A" FABRIC. CURVE N°2. 45° CAMS: DRY "COTTON A" FABRIC. CURVE N°3. 45° CAMS: DRY "COTTON A" FABRIC: POLISHED DRIVING PINS & BUSHES. CURVE N°4. 30° CAMS: DRY "COTTON A" FABRIC: POLISHED DRIVING PINS & BUSHES. CURVE N°5. 30° CAMS: OIL SOAKED "COTTON A" FABRIC: POLISHED PINS & BUSHES. CURVE N°6. 45° BALL-BEARING CAMS: OIL-SOAKED FABRIC: POLISHED PINS & BUSHES. CURVE N°7. 45° CAMS (PLAIN): OIL SOAKED "COTTON A" FABRIC: POLISHED PINS & BUSHES. | ||