The Allied Seawind II, an ultra-heavy displacement cutter, was designed by Thomas Gillmer and built in the USA by the Allied Boat Company. Sloop and staysail ketch versions were also available.
Underwater Profile: Long keel
Hull Material: GRP (Fibreglass)
Length Overall: 31'7" (9.6m)
Waterline Length: 25'6" (7.8m)
Beam: 10'5" (3.2m)
Draft: 4'6" (1.4m)
Rig Type: Cutter
Displacement: 14,900lb (6,759kg)
Designer: Thomas Gillmer
Builder: The Allied Boat Company (USA)
Year First Built: 1975
Year Last Built: 1982
Number Built: 11
1. Sail Area/Displacement Ratio: 13.6
2. Ballast/Displacement Ratio: 38.9
3. Displacement/Length Ratio: 401
4. Comfort Ratio: 37.2
5. Capsize Screening Formula: 1.7
Read more about these Key Performance Indicators...
1. A Sail Area/Displacement Ratio of just 13.6 suggests that the Allied Seawind II will need a stiff breeze to get her going. In light conditions, unless you've got plenty of time on your hands, motor-sailing may be the way to go.
2. A Ballast/Displacement Ratio of 38.9 means that a long-keel sailboat like the Allied Seawind II is likely to benefit from being reefed early to keep her sailing upright in a moderate breeze.
3. A Displacement/Length Ratio of 401, tells us the Allied Seawind II is firmly in the ultra-heavy displacement category. Load her up as much as you like and her performance will be hardly affected, not that it was ever startling. Few if any sailboats are built to this displacement category these days - but they remain popular with some long-distance sailors.
4. Ted Brewer's Comfort Ratio of 37.2 suggests that crew comfort of a Allied Seawind II in a seaway is similar to what you would associate with the motion of a moderate bluewater cruising boat - a predictable and acceptable motion for most seasoned sailors.
5. The Capsize Screening Formula (CSF) of 1.7 indicates that a Allied Seawind II would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0.
What is a staysail ketch?
A staysail ketch is a type of sailboat that has two masts: a mainmast and a mizzenmast. The mizzenmast on a ketch is located forward of the rudder-post, which distinguishes it from a yawl. A staysail ketch also has a staysail, which is mounted on the inner forestay and creates a slot between the headsail and the mainsail to provide extra lift. This makes it a cutter-rigged ketch.
Some advantages of a staysail ketch are that it has smaller sails that are easier to handle for short-handed or older sailors, it has more sail plan options for different wind conditions, and it can sail well without the mainsail by using the foresail and the mizzen sail.
What are the benefits of a cutter rig over a sloop rig?
A cutter rig and a sloop rig are two types of sail rigs that have one mast and a fore-and-aft sail configuration. The main difference between them is the number and position of the headsails. A cutter rig has two headsails (a yankee and a staysail) that are attached to two forestays (a jibstay and a forestay), while a sloop rig has one headsail (a genoa or a jib) that is attached to one forestay.
Some of the benefits of a cutter rig over a sloop rig are:
However, a cutter rig also has some drawbacks compared to a sloop rig, such as:
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