(Q) It is desired to select a wire rope for use in an automotive tow truck application. A single line is to be used and, considering dynamic loading involved in pulling cars back onto the roadway, the typical load on the rope is estimated to be 7000 lb. It is estimated that approximately the rope experiences 20 "bends" per day under full load. If the truck is used 360 days per year, and a design life of 7 years is desired for the rope: a. What size wire rope would you specify if the rope is to be of 6x19 IPS regular lay construction? b. What minimum sheave diameter would you recommend?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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(Q) It is desired to select a wire rope for use in an automotive tow truck
application. A single line is to be used and, considering dynamic loading
involved in pulling cars back onto the roadway, the typical load on the rope is
estimated to be 7000 lb. It is estimated that approximately the rope
experiences 20 "bends" per day under full load. If the truck is used 360 days
per year, and a design life of 7 years is desired for the rope:
a. What size wire rope would you specify if the rope is to be of 6x19 IPS
regular lay construction?
b. What minimum sheave diameter would you recommend?
Transcribed Image Text:(Q) It is desired to select a wire rope for use in an automotive tow truck application. A single line is to be used and, considering dynamic loading involved in pulling cars back onto the roadway, the typical load on the rope is estimated to be 7000 lb. It is estimated that approximately the rope experiences 20 "bends" per day under full load. If the truck is used 360 days per year, and a design life of 7 years is desired for the rope: a. What size wire rope would you specify if the rope is to be of 6x19 IPS regular lay construction? b. What minimum sheave diameter would you recommend?
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