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Old 07-08-2019, 06:48   #1
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Difference in a Jib vs a Genoa

What makes a Genoa, a Genoa? Why isn’t it a Jib?
I thought it was a sail that was larger than the fore triangle, but there are also Jibs that fit that too?
So why are some called Genoa’s?
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Old 07-08-2019, 07:38   #2
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Re: Difference in a Jib vs a Genoa

From wikipedia:

Genoa (sail)

A genoa sail is a type of large jib or staysail that extends past the mast and so overlaps the main sail when viewed from the side,[1] sometimes eliminating it. It was originally called an "overlapping jib" and later a Genoa jib. It is used on single-masted sloops and twin-masted boats such as yawls and ketches. Its larger surface area increases the speed of the craft in light to moderate winds; in high wind, a smaller jib is usually substituted, and downwind a spinnaker may be used.

The term jib is the generic term for any of an assortment of headsails. The term genoa (or genny) refers to a type of jib that is larger than the 100% foretriangle, which is the triangular area formed by the point at which the stay intersects the mast, and deck or bowsprit, and the line where the mast intersects deck at the rail. Colloquially the term is sometimes used interchangeably with jib. A working jib is no larger than the 100% foretriangle. A genoa is larger, with the leech going past the mast and overlapping the mainsail. To maximize sail area, the foot of the sail is generally parallel and very close to the deck when close hauled.

Genoas are categorized by a percentage representing their area relative to the 100% foretriangle. Sail racing classes often specify a limit to genoa size. Genoas are classified by their size; a modern number 1 genoa would typically be approximately 155%, but historically number 1 genoas have been as large as 180%. Number 2 genoas are generally in the range of 125–140%. Working jibs are also defined by the same measure, typically 100% or less of the foretriangle. Under Performance Handicap Racing Fleet rules, most boats are allowed 155% genoas without a penalty
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