The Allmand 35, a heavy-displacement masthead sloop, was designed by Walter Scott and built in the USA by Allmand Boats.
Underwater Profile: Fin keel & skeg-hung rudder
Hull Material: GRP (Fibreglass)
Length Overall: 34'9" (10.6m)
Waterline Length: 28'2" (8.6m)
Beam: 11'8" (3.6m)
Draft: 5'2" (1.6m)
Rig Type: Masthead sloop
Displacement: 15,100lb (6,849kg)
Ballast: 4,300lb (1,950kg)
Designer: Walter Scott
Builder: Allmand Boats (USA)
Year First Built: 1981
Year Last Built: 1985
1. Sail Area/Displacement Ratio: 14.4
2. Ballast/Displacement Ratio: 28.5
3. Displacement/Length Ratio: 302
4. Comfort Ratio: 29.4
5. Capsize Screening Formula: 1.9
Read more about these Key Performance Indicators...
1. A Sail Area/Displacement Ratio of just 14.4 suggests that the Allmand 35 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 28.5 means that a sailboat like the Allmand 35 (which doesn't have the benefit of a stiffness-enhancing bulb keel), is likely to benefit from being reefed early to keep her sailing upright in a moderate breeze.
3. A Displacement/Length Ratio of 302, tells us the Allmand 35 is clearly a heavy displacement cruising boat. You can load her down with all your cruising gear and equipment and it will hardly affect her waterline. Not an ideal choice for coastal sailing, but she'll come into her own on an offshore passage in testing conditions.
4. Ted Brewer's Comfort Ratio of 29.4 suggests that crew comfort of a Allmand 35 in a seaway is similar to what you would associate with the motion of a coastal cruiser with moderate stability, which is not the best of news for anyone prone to seasickness.
5. The Capsize Screening Formula (CSF) of 1.9 indicates that a Allmand 35 would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0.
What were the best-known creations of yacht designer Walter Scott?
Walter Scott was a yacht designer who worked for 30 years at Grumman Aerospace and then became the chief engineer at Irwin Yachts. He was involved with the design of many yachts from the Irwin line, such as the Irwin 10/4, the Allmand 35, and the Captiva 35. He also designed the Watkins 27, which went into production in 1977, and the Allmand 31, which appeared in 1979. He is known to have designed a number of other ‘one off’ boats. One of his most famous creations was the Ice Bear, a luxury motor yacht built by Feadship in 1988 for the late automotive entrepreneur Jim Moran.
What are the benefits of a masthead sloop whwn compared with a fractional sloop?
A masthead sloop is a sailboat with a single mast and a single headsail that is attached to the top of the mast. A fractional sloop is a sailboat with a single mast and a single headsail that is attached to a point below the top of the mast.
According to some sources, some of the benefits of a masthead sloop are:
Some of the benefits of a fractional sloop are:
Of course, these are generalizations and there are pros and cons to both types of rigs. The choice depends on your sailing preferences, plans and goals.
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