Makeshift rig (emergency rig). Keel: The timber or bar forming the backbone of the vessel and running from the stem to the stempost at the bottom of the ship.

Temporary, make shift. A jury rig would be built at sea when the original rig was damaged. Then it would be used to sail to a harbour or other safe place for permanent repairs.

Temporary and makeshift rig in place of rigging carried away or lost.

an improvised sailing rig when the normal propulsion has been damaged Source: Maritime Curators Group: Manual of Curatorship

Improvised replacement for gear especially when dismasted; as in: After the mast came down we set up a jury rig to continue on our way.    

Makeshift rig (emergency rig).

 This term describes something that is assembled in a makeshift manner offering nothing more than a temporary solution. It originates from the nautical term "jury mast," which is a temporary [..]

  Any makeshifts device or apparatus.  

A temporary rig used to replace a damaged mast or spar.

This term describes something that is assembled in a makeshift manner offering nothing more than a temporary solution. It originates from the nautical term "jury mast," which is a te [..]

 A makeshift repair. Often turns into a permanent repair on some vessels.

any makeshift device or apparatus. "The dilithium crystal had cracked, so Scotty jury rigged a patch out of oakum, glit and Vulcan baling wire."

A temporary fix, or makeshift.

A temporary repair or replacement using improvised materials and parts.