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A level-luffing crane is a crane mechanism where the hook remains at the same level while luffing: moving the jib up and down, so as to move the hook inwards and outwards relative to the base. [ 1 ] Usually the description is only applied to those with a luffing jib that have some additional mechanism applied to keep the hook level when luffing.
This specific example uses a level luffing mechanism to maintain the load at approximately the same vertical height as the jib moves through its range of travel. A jib or jib arm is the horizontal or near-horizontal beam used in many types of crane to support the load clear of the main support. [1] [2] An archaic spelling is gib. [3]
Urban Dictionary Screenshot Screenshot of Urban Dictionary front page (2018) Type of site Dictionary Available in English Owner Aaron Peckham Created by Aaron Peckham URL urbandictionary.com Launched December 9, 1999 ; 25 years ago (1999-12-09) Current status Active Urban Dictionary is a crowdsourced English-language online dictionary for slang words and phrases. The website was founded in ...
Level luffing crane, a type of crane where the jib, rather than being fixed, can be raised and lowered; Luffing, when a sailing sheet is eased so far past trim that airflow over the surface is disrupted; The leading edge of a sail
In honor of Black Twitter's contribution, Stacker compiled a list of 20 slang words it brought to popularity, using the AAVE Glossary, Urban Dictionary, Know Your Meme, and other internet ...
In sailing, luffing refers to when a sailing vessel is steered far enough toward the direction of the wind ("windward"), or the sheet controlling a sail is eased so far past optimal trim, that airflow over the surfaces of the sail is disrupted and the sail begins to "flap" or "luff" (the luff of the sail is usually where this first becomes ...
The slang term "Chad" originated in the UK during World War II and was employed in a similar humorous manner as Kilroy was here. [1] It later came into use in Chicago [2] as a derogatory way to describe a young, wealthy man from the city's northern suburbs, typically single and in his twenties or early thirties. [2]
For some people — and penguins — love is all about the little things. If you demonstrate affection by sending memes, TikTok videos or trinkets, pebbling might be your love language ...