Question

7. An existing 30-hp motor-driven compressor system uses four series 5 V-belts. If these V-belts were replaced by Aramide cord belts from Figure 14,5, how many belts would now be required, assuming a service factor of 1.8? The motor is an 1,150-rpm motor with an 8%-inch sheave, and the compressor uses a 12-inch sheave. In Problem 7, for the same approximate conditions, select a series 8 V-belt system. Determine the pulley sizes to maintain a similar compressor speed and the number of belts needed.

I just need number 8, and use 14.1 to select the closet practical

Answer 1

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