- a tackle having a double block and a single block, giving a mechanical advantage of three or four, neglecting friction, depending on which is the standing and which is the running block.
Origin of luff tackle
First recorded in 1690–1700
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for luff tackle
A luff-tackle purchase, with a hook in the end of the single block, and a tail to the upper end of the double block.
A luff-tackle upon the fall of another luff-tackle is called luff-upon-luff.The Seaman's Friend
Richard Henry Dana
In a few minutes, I had a string of the savages hold of the mast-rope, forward, a luff-tackle being applied.Afloat And Ashore
James Fenimore Cooper
One luff-tackle applied to the fall of another, to afford an increase of purchase.