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Jury rigging (also called "jerry rigging" and by similar phrases) is both a noun and a verb describing makeshift repairs made with only the tools and materials at hand. Its origin lies in such efforts done on boats and ships, characteristically sail powered to begin with. After a dismasting, a replacement mast, often referred to as a jury mast, and if necessary yard would be fashioned and stayed to allow a craft to resume making way.
The phrase "jury rigged" has been in use since at least 1788.The adjectival use of "jury", in the sense of makeshift or temporary, has been said to date from at least 1616 when according to the 1933 edition of the Oxford Dictionary of the English Language it appeared in John Smith's A Description of New England. It appeared in Smith's more extensive The General History of Virginia, New-England, and the Summer Isles published in 1624.
Two theories about the origin of this usage of "jury rig" are:
Depending on its size and purpose a sail-powered boat may carry a limited amount of repair materials, from which some form of jury rig can be fashioned. Additionally, anything salvageable, such as a spar or spinnaker pole, could be adapted to carrying a form of sail.
Ships typically carried a selection of spare parts (e.g., items such as topmasts), but at up to 1 meter (3 ft 3 in) in diameter the lower masts were too large to freight spares. Example jury-rig configurations include:
Jury rigs are not limited to boats designed for sail propulsion. Any form of craft found without power can be adapted to carry jury sail as necessary. In addition, other essential components of a boat or ship, such as a rudder or tiller, can be said to be "jury rigged" when a repair is improvised out of materials at hand.
'I can't even nigger-rig it.' ... 'The proper terminology is Afro-engineering.' Here, blackness is demarcated in a classed way. 'Nigger-rigging' is a quick, temporary fix to a problem, but it is a solution that is second rate to the 'right' way. ... declares that this type of knowledge is racialized and classed in a way that deems it inherently inferior. ... remarks remain unchallenged. Quite the opposite. ... implies that black ingenuity and innovation as subpar and second rate to white ingenuity and innovation. ... affirms this with his response. By responding indirectly ... consents to this classed usage of the word nigger. Not only does this trivialize whether the slur's usage is inappropriate in the first place, but it equates 'nigger-rigging' with 'Afro-engineering'. ... denotes these terms as synonymous, thus imposing an even more classed meaning to this racial slur.