$$ e = 2.7182800769806 \:
$$
Calculates sheave efficiency in a rope reeving arrangement based on Euler-Eytelwein equation
Sheave efficiency
$$ \eta_{sheave} = {1 \over \left({ e ^ \left({ \mu \cdot \theta }\right) }\right)} $$
Calculate efficiency of rope reeving arrangement
Number of sheaves in different rope reeving arrangements.
Reeving Arrangement |
No of sheeves |
2 / 1 |
1 sheeve |
4 / 1 |
3 sheeves |
4 / 2 |
1 sheeve |
8 / 2 |
3 sheeves |
Reeving Arrangement Efficiency
$$ \eta_{reeving} = {\eta_{sheave} ^ \left({ n_{sheaves} }\right)} $$