Luffing — For the forward edge of a sail, see parts of a sail. For other uses, see luff. 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… … Wikipedia
luffing crane — or luffing jib crane noun A jib crane with the jib hinged at its lower end to the crane structure so as to allow alteration of its radius of action • • • Main Entry: ↑luff … Useful english dictionary
luffing-jib crane — luffing crane or luffing jib crane noun A jib crane with the jib hinged at its lower end to the crane structure so as to allow alteration of its radius of action • • • Main Entry: ↑luff … Useful english dictionary
luffing — lÊŒf n. (Nautical) forward edge of a sail; wide part near the bow of a boat v. turn a ship toward the wind (Nautical) … English contemporary dictionary
luffing crane — /ˈlʌfɪŋ kreɪn/ (say lufing krayn) noun a crane with a jib whose angle, and hence the radius of lifting, can be altered …
Crane (machine) — A modern crawler type derrick crane with outriggers. The latticed boom is fitted with a jib. A crane is a type of machine, generally equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower material … Wikipedia
Luff — or luffing may refer to:* Luffing, when a sailing sheet is eased so far past trim that airflow over the surface is disrupted * The leading edge of a sail * Luffing crane, a type of crane where the jib, rather than being fixed, can be raised and… … Wikipedia
Junk Rig — The Junk rig, also known as the Chinese lugsail and Sampan rig, is a type of sail rig in which rigid members, called battens, span the full width of the sail and extend the sail forward of the mast. [Hasler MacLeod, Practical Junk Rig , Tiller… … Wikipedia
Kitesurfing — Kitesurfing, kiteboarding, uses wind power to pull a rider through the water on a small surfboard or a kiteboard (which is like a wakeboard). Generally kiteboarding refers to a style of riding known as free style or wakestyle where as kitesurfing … Wikipedia
Stacker — A stacker is a large machine used in bulk material handling applications. A stacker s function is to stack bulk material such as ores and cereals onto a stockpile. A reclaimer can be used to recover the material.Stackers are nominally rated in… … Wikipedia
