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Gulf 27 Added 25-Jan-2016
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Great choice! Your favorites are temporarily saved for this session. Sign in to save them permanently, access them on any device, and receive relevant alerts.  1984 Capital Yachts Gulf 27Seller's Description1984 Gulf 27 pilothouse sloop. Universal diesel. Roller furling jib. New jib. Full batten main with Dutchman system. Upgraded wiring and panels. Marine charger, galvanic isolator. H & C water. Origo 2 burner cookstove. Achilles inflatable. New shaft, log and coupler. New barrier coat and bottom paint. Equipment: 3 anchors. All C.G. required equipment. Webasto hydronic heating system. Swim step. Lifesling. 2 binders of info. Other extras. Getting out of boating. Boat is turnkey. Asking 14,000.  Rig and SailsAuxilary power, accomodations, calculations. The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more. Classic hull speed formula: Hull Speed = 1.34 x √LWL Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL Sail Area / Displacement RatioA measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more. SA/D = SA ÷ (D ÷ 64) 2/3 - SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
- D : Displacement in pounds.
Ballast / Displacement RatioA measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize. Ballast / Displacement * 100 Displacement / Length RatioA measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more. D/L = (D ÷ 2240) ÷ (0.01 x LWL)³ - D: Displacement of the boat in pounds.
- LWL: Waterline length in feet
Comfort RatioThis ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more. Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 ) - D: Displacement of the boat in pounds
- LOA: Length overall in feet
- Beam: Width of boat at the widest point in feet
Capsize Screening FormulaThis formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more. CSV = Beam ÷ ³√(D / 64) This listing is presented by SailboatListings.com . Visit their website for more information or to contact the seller. View on SailboatListings.com Embed this page on your own website by copying and pasting this code. ©2024 Sea Time Tech, LLC This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Review of Gulf 27Basic specs.. Both the hull and the deck is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all. The Gulf 27 is equipped with a masthead rig. The advantage of a masthead rig is its simplicity and the fact that a given sail area - compared with a fractional rig - can be carried lower and thus with less heeling moment. The Gulf 27 is equipped with a long keel. A full keel provide a better directional stability than a similar boat with a fin keel; on the other hand, better directional stability means also that the boat is more difficult to handle in a harbour with less space. The boat can enter even shallow marinas as the draft is just about 1.28 - 1.38 meter (4.20 - 4.50 ft) dependent on the load. See immersion rate below. The boat may be equipped with a diesel engine at 15 hp (11 kW). Calculated max speed is about 5.2 knots. Sailing characteristicsThis section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats. What is Capsize Screening Formula (CSF)? The capsize screening value for Gulf 27 is 1.96, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races. What is Theoretical Maximum Hull Speed? The theoretical maximal speed of a displacement boat of this length is 6.4 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed. The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Gulf 27 is about 130 kg/cm, alternatively 730 lbs/inch. Meaning: if you load 130 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 730 lbs cargo on the boat it will sink 1 inch. Sailing statisticsThis section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points. What is Motion Comfort Ratio (MCR)? What is L/B (Length Beam Ratio)? What is a Ballast Ratio? What is Displacement Length Ratio? What is SA/D (Sail Area Displacement ratio)? MaintenanceWhen buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 21m 2 (226 ft 2 ). Based on this, your favourite maritime shop can tell you the quantity you need. Are your sails worn out? You might find your next sail here: Sails for Sale If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful. | Usage | Length | Diameter | | Mainsail halyard | 23.8 m | (78.0 feet) | 8 mm | (5/16 inch) | | Jib/genoa halyard | 23.8 m | (78.0 feet) | 8 mm | (5/16 inch) | | Spinnaker halyard | 23.8 m | (78.0 feet) | 8 mm | (5/16 inch) | | Jib sheet | 8.3 m | (27.2 feet) | 10 mm | (3/8 inch) | | Genoa sheet | 8.3 m | (27.2 feet) | 10 mm | (3/8 inch) | | Mainsheet | 20.7 m | (67.9 feet) | 10 mm | (3/8 inch) | | Spinnaker sheet | 18.2 m | (59.8 feet) | 10 mm | (3/8 inch) | | Cunningham | 3.1 m | (10.3 feet) | 8 mm | (5/16 inch) | | Kickingstrap | 6.3 m | (20.6 feet) | 8 mm | (5/16 inch) | | Clew-outhaul | 6.3 m | (20.6 feet) | 8 mm | (5/16 inch) | This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat. Do you have changes/improvements you would like to share? Upload a photo and describe what you have done. We are always looking for new photos. If you can contribute with photos for Gulf 27 it would be a great help. If you have any comments to the review, improvement suggestions, or the like, feel free to contact us . Criticism helps us to improve. | 
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