Table 6: Observation for power amplification factor with leather rope.

Sr. No. Load at Input Shaft Load Cell Reading at Output Shaft (gm) Speed Input Torque Output Arm Amplified Torque Power Consumed Across Output Shaft Power Amplification Factor = (Output Torque / Input Torque) Efficiency
(gm) (rpm) (N-m) (N-m) (watt) (%)
1 100 170 2100 0.0981 0.16677 36.656046 1.7 51.22250825
2 150 262.5 1960 0.14715 0.2575125 52.827831 1.75 65.88051963
3 200 356 1750 0.1962 0.349236 63.968394 1.78 74.43612261
4 250 450 1600 0.24525 0.44145 73.92816 1.8 81.17622256
5 300 540 1250 0.2943 0.52974 69.30765 1.8 78.30996817
6 350 647.5 1050 0.34335 0.6351975 69.80820525 1.85 79.56786874
7 500 940 810 0.4905 0.92214 78.1790292 1.88 85.36264583
8 600 1230 650 0.5886 1.20663 82.091061 2.05 91.16729388
9 700 1477 535 0.6867 1.448937 81.13564221 2.11 91.72749805
10 800 1624 520 0.7848 1.593144 86.70951744 2.03 93.52360221
11 1000 2230 380 0.981 2.18763 87.0093372 2.23 97.74392716

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