18 July 2017
A device for arresting the motion of a mechanism, usually by means of friction, as in the drawworks brake. Compare Electrodynamic brake, Hydromatic brake.
18 July 2017
Is the horsepower output of an engine or motor actually measurable by various means, most simply a special type of brake having an arm counterbalanced by […]
25 July 2017
A device attached to the catshaft of the drawworks that is used as a power source for unscrewing drill pipe; usually located opposite the driller’s side […]