grooved drum

grooved drum

[′grüvd ¦drəm]
(design engineering)
Drum with a grooved surface to support and guide a rope.
References in periodicals archive ?
Standard features include 4-section 96' boom, cab and heater, free swing with pilot operated controls, ACCUSwing metering system, ROCSolid radio outrigger control, CANbus Load Moment Indicator with wireless ATB, 15,000# line pull winch with grooved drum and aluminum decking.
Special functions include auto-variable speed control (load dependent), wire spooling and guide systems, grooved drums, emergency release capabilities, gravity lowering, emergency hoisting abilities, and a water-cooled drum to reduce heat on the umbilical.
The grooved drums skimmed up to three times as much oil as the smooth drums did, the researchers report online for an upcoming Environmental Science & Technology.