Science and Technology · Theory of Machines
The total length L of an open belt drive is given by L = 2C + π(D1 + D2)/2 + (D1 − D2)2 / (4C), where C is the centre distance and D1, D2 are the pulley diameters. What does the term (D1 − D2)2 / (4C) represent?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The extra length due to pulley alignment
- 2The correction factor for friction
- 3The additional length due to the difference in pulley sizes✓
- 4The effect of belt tension
Correct answer
The additional length due to the difference in pulley sizes
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