island packet 37 sailboatdata

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• Island Packet 37 Specs

The Island Packet 37  Specs & Key Performance Indicators

The Island Packet 37 was designed by American naval architect Robert K. Johnson and built by Island Packet Yachts in Largo, Florida, USA.

Published Specification for the Island Packet 37

Keel & Rudder Configuration: Long Keel Hull Material: Fiberglass Length Overall: 11.76m (38'7") Waterline Length: 9.45m (31'0") Beam: 3.71m (12'2") Draft: 1.37m (4'6") Rig Type: Cutter Displacement: 8,391 kg (18,499 lbs) Ballast: 3,719 kg (8,199 lbs) Water Tank Capacity: 341 litres (90 gals) Fuel Tank Capacity: 189 litres (50 gals) Hull Speed: 13.82 km/h (7.46 knots) Designer: Robert K. Johnson Builder: Island Packet Yachts Year First Built: 1994 Year Last Built: 1998 Number Built: 60

Sail Areas & Rig Dimensions

I: 13.97m (45.83 ft) J: 5.08m (16.67 ft) P: 11.89m (39.00 ft) E: 4.42m (14.50 ft)

Total Sail Area: 74.3m² (800 ft ² )

Published Design Ratios The Key Performance Indicators (KPIs)

The following analysis of the design ratios gives an indication of the boat's likely sailing characteristics, but see the 'Notes of Caution' below:

Sail Area/Displacement Ratio (SA/D): 18.4 This ratio falls within the 16 to 20 range, indicating reasonably good performance. The Island Packet 37 is not underpowered and should perform well in a variety of wind conditions, offering a good balance between speed and manageability.

Ballast/Displacement Ratio (B/D): 44.3% A ratio above 40% indicates a stiffer and more powerful boat that can better stand up to the wind. The Island Packet 37, with its 44.32% ratio, suggests strong stability and the ability to handle stronger winds without excessive heeling.

Displacement/Length Ratio (D/L): 277 This value falls into the Heavy Displacement category (275-350). Boats in this range typically prioritize comfort and seaworthiness over speed. The Island Packet 37, with its heavy displacement, will likely provide a stable and comfortable ride, especially in rougher waters.

Comfort Ratio: 30.9 A Comfort Ratio between 30 and 40 indicates a reasonably sedate motion, suitable for a moderate bluewater cruising boat. With a comfort ratio of 30.85, the Island Packet 37 promises a comfortable ride that is less likely to be overly lively or prone to abrupt movements in the waves, making it suitable for longer voyages.

Capsize Screening Formula (CSF): 1.84 A CSF of 2.0 or less indicates good blue water capability, making the boat better suited for ocean passages. The Island Packet 37's CSF of 1.84 suggests it is well-suited for offshore sailing, with lower vulnerability to capsizing in rough seas.

Summary of the Theoretical Sailing Characteristics: The Island Packet 37, based on its design ratios, is a well-rounded cruiser offering a blend of reasonable performance and substantial stability. Its SA/D ratio suggests decent sailing performance, while the B/D ratio underscores its stiffness and stability in windy conditions. The heavy displacement contributes to a comfortable and steady ride, aligned with its good motion comfort indicated by the Comfort Ratio. Finally, the low CSF supports its capability for bluewater cruising, indicating that the Island Packet 37 is a capable and dependable vessel for extended offshore voyages.

Here's how to calculate the KPIs yourself -  without having to wrestle with the mathematics...

Design Ratios: Notes of Caution...

• The Sail Area/Displacement Ratio (SA/D): This ratio provides an estimate of the sail power relative to the boat's weight, which can indicate potential speed in various wind conditions.  But i t doesn't account for the efficiency of the sail plan, the rigging, or the skill of the crew. Real-world performance can vary significantly based on these factors.
• The Ballast/Displacement Ratio (B/D): This ratio gives an idea of the boat's stability and stiffness, which is crucial for handling and safety.  But  it doesn't consider the distribution of the ballast or the hull shape, both of which can greatly affect stability. A high B/D ratio alone doesn't guarantee a stable boat if the ballast is poorly distributed.
• The Displacement/Length Ratio (D/L): This ratio helps predict the boat's speed potential and its behaviour in different sea conditions.  But  it doesn't account for the hull design or the boat's overall weight distribution. Two boats with the same D/L ratio can perform very differently if their hull shapes are different.
• The Comfort Ratio (CR): This ratio estimates the boat's motion comfort in a seaway, which is important for long passages.  But  it doesn't consider the boat's interior layout, which can also affect comfort. Additionally, personal tolerance to motion varies, so a boat that is comfortable for one person might not be for another.
• The Capsize Screening Formula (CSF): This formula assesses the likelihood of a boat capsizing in heavy seas, which is critical for offshore safety.  But  it doesn't take into account the boat's handling characteristics or the skill of the crew. A boat with a low CSF can still capsize if poorly handled in severe conditions.

General Limitations

• Static Nature: These ratios are static measurements and don't account for dynamic factors like wave action, wind gusts, or crew actions.
• Simplification: They simplify complex interactions into single numbers, which can be misleading. Real-world performance is influenced by a multitude of factors that these ratios can't fully capture.
• Context: The context in which the boat is used (e.g., coastal cruising vs. offshore racing) can greatly affect how these ratios should be interpreted.

In summary, while these ratios provide valuable insights into the theoretical performance characteristics of a sailboat, they should be used as part of a broader assessment that includes practical experience, sea trials, and expert advice.

Other sailboats in the Island Packet range include:

The above text was drafted by sailboat-cruising.com using GPT-4 (OpenAI’s large-scale language-generation model) as a research assistant to develop source material; we believe it to be accurate to the best of our knowledge.

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Island Packet 37

Island packet 37, performance, accomodation.

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Island packet 370 379

The island packet 370 379 is a 37.83ft cutter designed by robert k. johnson and built in fiberglass by island packet yachts since 2001., it accomodates 4 people in 2 cabins plus salon..

The Island packet 370 379 is a heavy sailboat which is slightly under powered. It is stable / stiff and has a good righting capability if capsized. It is best suited as a bluewater cruising boat. The fuel capacity is average. There is a good water supply range.

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Search Island Packet Model Information    ::       ::       ::    The Island Packet 37 offers the sparkling performance, superior safety and seakeeping, ease of handling and spacious and liveable accommodations that have made Island Packet Yachts an industry benchmark for high quality cruising yachts. The IP37 continues Island Packet's industry leadership in design and construction excellence and attention to detail. Every aspect of this yacht, from masthead to keel, has been carefully scrutinized to maximize the enjoyment of cruising. 1994   38'-5''   800 1998   36'-5''   45'-10'' 60   31'   16'-8'' 18500   12'-2''   39'-0'' 8200   4'-6''   14'-6'' 50 US gal   3'-8   277 90 US gal   49'-6''   18.3 18 US gal   38   44% to compare these IP37 specifications with other Island Packet models.     7/16''x107'   3/8''x66'   7/16''x96' 1/2''x56'   7/16''x70'   1/2''x155' 5/16''x32'   3/8''x65'   1/2''x41' 1/8''x37' 7x7 wire   5/16''x50'   1/2''             3/8''x30' to compare IP37 running rigging with other Island Packet models.   5/16'' PT-3 23 25 26 - - - - - - - - - - 9/32'' PT-3 16 18 19 9/32'' PT-3 16 18 19 - - - - - - - - - - 1/4'' PT-2 34 36 37 for more information about the PT-2 and PT-3 gauges. If you are not familiar with the process for tuning your rig please contact a qualified rigger in your area. Celebrating Our Gallery Menu Visit The Factory IPs For Sale 2013 Island Packet 370 ISLAND PACKET 370/379 Detailed Review If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of ISLAND PACKET 370/379. Built by Island Packet Yachts and designed by Robert K. Johnson, the boat was first built in 2003. It has a hull type of Long keel w/rudder on skeg and LOA is 11.53. Its sail area/displacement ratio 17.18. Its auxiliary power tank, manufactured by Yanmar, runs on Diesel. ISLAND PACKET 370/379 has retained its value as a result of superior building, a solid reputation, and a devoted owner base. Read on to find out more about ISLAND PACKET 370/379 and decide if it is a fit for your boating needs. Boat Information Boat specifications, sail boat calculation, rig and sail specs, auxillary power tank, accomodations, contributions, who designed the island packet 370/379. ISLAND PACKET 370/379 was designed by Robert K. Johnson. Who builds ISLAND PACKET 370/379? ISLAND PACKET 370/379 is built by Island Packet Yachts. When was ISLAND PACKET 370/379 first built? ISLAND PACKET 370/379 was first built in 2003. How long is ISLAND PACKET 370/379? ISLAND PACKET 370/379 is 9.45 m in length. What is mast height on ISLAND PACKET 370/379? ISLAND PACKET 370/379 has a mast height of 12.88 m. Member Boats at HarborMoor 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. Sailboat Guide Island Packet 370 Island Packet 370 is a 37 ′ 9 ″ / 11.5 m monohull sailboat designed by Robert K. Johnson and built by Island Packet Yachts starting in 2001. Rig and Sails Auxilary 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 Ratio A 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 Ratio A 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 Ratio A 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 Ratio This 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 Formula This 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) Embed this page on your own website by copying and pasting this code. About Sailboat Guide ©2024 Sea Time Tech, LLC This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. 154 IMAGES ISLAND PACKET 370/379 ISLAND PACKET 370/379 Used Island Packet 37' 370 For Sale In Maine 37' Island Packet 370 for Sale 1996 Island Packet 37 Segelyacht Kaufen 37' Island Packet 370 for Sale VIDEO Ube Bars Steam Packet's once a day passenger service Board of Appeals Island Packet 35 Blue Water Cruiser 1990 Island packet 32 sailing boat, sailing yacht year Island Packet Yachts Visits the 2022 St. Petersburg Power and Sailboat Show COMMENTS ISLAND PACKET 37 LENGTH: Traditionally, LOA (length over all) equaled hull length. Today, many builders use LOA to include rail overhangs, bowsprits, etc. and LOD (length on deck) for hull length. That said, LOA may still mean LOD if the builder is being honest and using accepted industry standards developed by groups like the ABYC (American Boat and Yacht Council). Island Packet Yachts Founded by Designer Bob Johnson. First known as Traditional Watercraft Inc., and building a modified version of the Johnson designed BOMBAY EXPRESS 25. Island Packet was purchased by Hake Marine in January 2017. Island Packet Yachts 1979 Wild Acres Road Largo, FL 33771 USA New Boat Sales 1.888.724.5479 Direct Dial 1.727.535.6431 Fax 1.727.535.2751 web www.ipy.com [email protected] Island packet 37 The Island packet 37 is a 38.58ft cutter designed by Robert K. Johnson and built in fiberglass by Island Packet Yachts between 1994 and 1998. ... The data on this page has been derived from different sources but a significant part is attributed to sailboatdata.com. We thank them for their encouragements and friendly collaboration. Island Packet 37 Island Packet 37 is a 38′ 6″ / 11.8 m monohull sailboat designed by Robert K. Johnson and built by Island Packet Yachts between 1994 and 1998. Great choice! Your favorites are temporarily saved for this session. ... Island Packet 37 is a 38 ... sailboatdata.com / CC BY. Embed Embed. View Demo. Island Packet 370 The Island Packet 370 is the result of decades of Island Packet design refinement and evolution. It combines innovative and proven features with all the exemplary construction qualities that have made Island Packet yachts respected and admired around the world. A host of exclusive design features, including our self tending staysail, geared ... Island Packet 37 Specs The Island Packet 37 is not underpowered and should perform well in a variety of wind conditions, offering a good balance between speed and manageability. Ballast/Displacement Ratio (B/D): 44.3% A ratio above 40% indicates a stiffer and more powerful boat that can better stand up to the wind. The Island Packet 37, with its 44.32% ratio ... ISLAND PACKET 37 The Island Packet 37 is a popular cruising sailboat designed and built by Island Packet Yachts. It is known for its sturdy construction, comfortable accommodations, and excellent sailing performance. Here are some key features and characteristics of the Island Packet 37: 1. Design: The Island Packet 37 was designed by Bob Johnson and introduced ... Island Packet 370 Builder: Island Packet Yachts, Largo, FL 33771; 888-724-5479 or 727-535-6431, www.ipy.com. Construction: Hull and deck are hand-laid triaxial knitted fiberglass; deck is cored with PolyCore, and hull is stiffened by an interior grid system. Hull-to-deck joint is bolted and bonded with urethane sealant. Island packet 370 379 The Island packet 370 379 is a 37.83ft cutter designed by Robert K. Johnson and built in fiberglass by Island Packet Yachts since 2001. ... The data on this page has been derived from different sources but a significant part is attributed to sailboatdata.com. We thank them for their encouragements and friendly collaboration. Island Packet 37 The Island Packet 37 offers the sparkling performance, superior safety and seakeeping, ease of handling and spacious and liveable accommodations that have made Island Packet Yachts an industry benchmark for high quality cruising yachts. The IP37 continues Island Packet's industry leadership in design and construction excellence and attention to ... ISLAND PACKET 27 LENGTH: Traditionally, LOA (length over all) equaled hull length. Today, many builders use LOA to include rail overhangs, bowsprits, etc. and LOD (length on deck) for hull length. That said, LOA may still mean LOD if the builder is being honest and using accepted industry standards developed by groups like the ABYC (American Boat and Yacht Council). 2013 Island Packet 370 The Island Packet 370 is the result of decades of Island Packet design refinement and evolution. It combines innovative and proven features with all the exemplary construction qualities that have made Island Packet yachts respected and admired around the world. A host of exclusive design features, including our self tending staysail, geared ... ISLAND PACKET 370/379: Reviews, Specifications, Built, Engine It has a hull type of Long keel w/rudder on skeg and LOA is 11.53. Its sail area/displacement ratio 17.18. Its auxiliary power tank, manufactured by Yanmar, runs on Diesel. ISLAND PACKET 370/379 has retained its value as a result of superior building, a solid reputation, and a devoted owner base. Read on to find out more about ISLAND PACKET 370 ... Freddie Owens victim was mom with 3 jobs in South Carolina They fled with $37.29. Hall, who helped Graves get the Speedway job, said she heard a popping sound and saw two men run out of the store. She found a lifeless Graves lying face up on the floor and ... 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