Table 7: Observation for power amplification factor with woven cotton 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 |
150 |
2100 |
0.0981 |
0.14715 |
32.34357 |
1.1 |
45.19633081 |
2 |
150 |
232.5 |
1960 |
0.14715 |
0.2280825 |
46.7903646 |
1.3 |
58.35131739 |
3 |
200 |
314 |
1750 |
0.1962 |
0.308034 |
56.421561 |
1.433333 |
65.65433287 |
4 |
250 |
400 |
1600 |
0.24525 |
0.3924 |
65.71392 |
1.5 |
72.15664228 |
5 |
300 |
495 |
1250 |
0.2943 |
0.485595 |
63.5320125 |
1.6 |
71.78413748 |
6 |
350 |
588 |
1050 |
0.34335 |
0.576828 |
63.3933972 |
1.75 |
72.25622675 |
7 |
500 |
850 |
810 |
0.4905 |
0.83385 |
70.693803 |
1.857143 |
77.18962655 |
8 |
600 |
1032 |
650 |
0.5886 |
1.012392 |
68.8764024 |
1.5625 |
76.49158315 |
9 |
700 |
1239 |
535 |
0.6867 |
1.215459 |
68.06165247 |
1.48 |
76.94676376 |
10 |
800 |
1472 |
520 |
0.7848 |
1.444032 |
78.59384832 |
1.39 |
84.7701616 |
11 |
1000 |
1850 |
380 |
0.981 |
1.81485 |
72.182634 |
1.2 |
81.08801132 |