headrope


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headrope

[′hed ‚rōp]
(mining engineering)
In rope haulage, that rope used to pull the loaded transportation device toward the discharge point.
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Due to this, the mixed nets have similar dimensions to fish nets, with variable headrope and footrope length ranging of 17.
In addition to the possibility that larger Pacific cod avoid capture by outswimming the trawl, it is also possible that larger Pacific cod occur higher in the water column and are more likely to swim over the headrope of the survey trawl.
The corkline, floatline, or headrope is attached to the top of the net and is fixed with varying numbers of floats.
The effectiveness of vertical herding can be affected by changes in the height of the net opening that make it possible for fish above the headrope to pass over the top or swim down into the trawl opening.
Each turtle was released into the trawl at the headrope by one member of a three-person NMFS dive team.
Tenders are invited for 210/2/3 14 mm mesh, Complete fitting with headrope and foot rope 8mm sinker, Float, Angla etc.
New bottom trawls were created for this catcher fleet based on experience from the 1940-41 survey--an Atlantic style trawl with a 29 m (95 ft) headrope and a 36 m (118 ft) footrope and a Pacific style trawl with a 25.
The distribution, abundance, and diet of Summer Flounder, Weakfish, Bluefish, and Striped Bass were evaluated from 20-min bottom trawls (30-m headrope, 6-mm codend liner [Byrne, 1994; Wuenschel et al.
Two nets were pushed on each vessel, each with a headrope length of 16 ft.
5 m headrope, with 19 mm of body mesh, and 6 mm mesh cod-end), both towed at a velocity of 1.