ker 43 sailboat

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Mandrake III

Model: Sydney GTS 43

Builder:  AD Boats

Designer :  Ker Yacht Design

Launched: 2014

IRC rating:  1.194

Condition:  Good Condition

Performance:  Proven IRC winner

Sails: Great Inventory (Norths, Doyle, UK)

Price: $385,000 USD $340,000 USD

ENQUIRE FORM - Ker GTS 43 Mandrake III

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The Ker 33 is an IRC cruiser/racer and sets a new benchmark for this popular division. The boats embody all the talents of Ker Design, along with McConaghy’s unrivaled build quality.

The philosophy behind the 33 was to highlight the design, build expertise and techniques that this duo has to offer.

Noting the success of the 30-35ft racer/cruisers currently on the market that have been performing on the IRC scene both inshore and offshore, we felt there was clearly the demand for another boat to fit within this category, particularly one with this much potential.

The design follows a very similar style to its larger sisters, including the near plumb bow, long dynamic waterline and flared stern sections. There’s more rocker in the underwater sections than the Ker 40s have – this is more of a semi-displacement hull shape, and has the advantage of reduced wetted surface area in light airs.

The design has been optimised for performance under the IRC rating system, although with the growing popularity of the ORC rating system in many parts of mainland Europe, Jason Ker was also careful to ensure the boat will perform well in that environment. The first Ker 33 had an IRC rating of only 1.021, although with a single-spreader rig.   At first sight it’s immediately apparent that this boat has been designed for speed – even the stanchions, pushpit and pulpit are of an efficient aerofoil shape. These are of composite construction and autoclaved in house. In addition, much thought has gone into producing an ergonomic deck layout in which friction is kept to an absolute minimum and running rigging led in straight lines, without turning corners, wherever possible. The deck gear package is by Harken, with clutches by Spinlock.

Given the pure raceboat treatment on deck, many would expect to find a bare and stripped out interior. Instead, there’s a surprisingly spacious arrangement that’s also well lit, thanks to the trademark big windows and a mostly white finish.

Specifications

Displacement 

P : 13.4m | E : 3.51m | J : 3.9m

CONSTRUCTION

E glass, core cell vinylester resin construction

Designed and constructed accordance with the requirements of ISO 12215 Category A per ISAF Offshore Special Regulations, Section 3.03.1 a)

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Home > Find Your Sail > Search by Make and Model > Ker > Ker 43 Ver F

Ker 43 Ver F

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Let's Get to Know Each Other

Let's connect, why it's important to partner with a designer on your ker 43 ver f sail.

The design is the most critical part of your new sail. Ensuring the sail fits and performs its best is a must for our crew. The Precision Sails Design team are experts at their craft. Unlike other sail lofts all of our sailors work one-on-one with a designer to perfect their Ker 43 Ver F sail.

No Two Ker 43 Ver F Sails Are Alike

There are many factors that affect the performance and design of your sails. Location, sailing experience, and weather conditions all come into play when picking the perfect sail. Two mainsails made for two Ker 43 Ver F’s in California and Florida will have different designs, sailcloth, and options based on what is best for the sailor.

Taking measurements is easy. All sailors work alongside our measurement team to measure and confirm their rig specs. This helps ensure your design is flawless and allows us to extend our Perfect Fit Guarantee to all of our sailors.

Discover the best cloth for your sailing needs, our sail details, or more about how Precision Sails is leading the sail-making industry with innovative new practices.

Proudly offering the largest selection of sailcloth in the industry, our team is always available to help you find your perfect sail. Whether you're a weekend sailor, coastal cruiser, or club racer our team is ready to walk you through the process.

Types of Sails

Precision Sail Loft specializes in producing headsails, mainsails, spinnakers, gennakers, and code zeros. So no matter the type of sail you’re looking for, we can help. Our sails are trusted by cruisers and racers alike from around the globe. Review the sail options and craftsmanship available to customize your dream sail.

Build & Process

Every sail we craft is produced to the highest standards with the best hardware, craftsmanship, and skill-set in the industry. Pair that with Precision Sails' approach to communication and your sailboat will be ready to set sail before you know it.

Unparalleled Commitment To Helping Sailors

As experts in design, communication, and production our team is ready to take on the task of making sails for your boat. Give us a call to get started.

“ I just received my asymmetrical spinnaker, with sock and turtle bag, along with a new 135 Genoa. The entire process was simple and both sales and the design team were in regular contact if there were any questions. The customer portal was easy to use and lets you keep track of where in the process your sails are. Great sails, great service -Graham Edwards (Facebook)

“ The whole team at Precision Sails was fantastic from start to finish. We’ve had a laminate main and genoa made so far and have a spinnaker on the way. They listened carefully to our needs and recommended a great sail cloth. We couldn’t have gotten more bang for our buck! -Noah Regelous (Google)

“ We received our spinnaker and launched it yesterday and I just wanted to let you know how pleased we are with it. The service we received from your company was exceptional and the quality of your product is second to none. We will certainly be return customers in the next few months to replace our main and jib sails and will recommend your company to all our sailing buddies. Once again-thank you.” -Daniel Jackson (Google)

“ we had good communication during the planning stages and the knowledgeable people at precision sails really got me fixed up good! The sails look and work fabulous! my boat sails better than it ever had! couldn’t be more pleased with the product AND the service!” -Fred Jelich (Facebook)

“ Our new furling jib for a Corsair 27 Had to be specially designed due to the height of the furler, but this was accomplished quickly and in short order we had our sail which fits beautifully and has a great shape. It’s everything we could have wanted, high tech design, thoughtfully executed and affordable.” -Nancy Y. (Yelp)

Request a Ker 43 Ver F Quote

Looking to buy a new headsail or mainsail for your Ker 43 Ver F? Request a free quote from Precision Sails for a new custom sail. Our team will work with you to design the perfect sail for you.

Thanks for telling us a bit about yourself and your boat. Our team will send you a preliminary quote based on information we have gathered from sailors similar to you.

We will give you a call in order to narrow down the options on your quote and improve the accuracy. If you want us to call you at a specific time, feel free to schedule a time on our calendar!

Thanks for telling us a bit about yourself and your boat. Our team will reach out to offer some suggestions and get started on finding you the perfect sail!

The Ker 33 is a 32.81ft fractional sloop designed by Jason Ker and built in fiberglass sandwich e-glass by McConaghy Boats since 2014.

The Ker 33 is a light sailboat which is a high performer. It is stable / stiff and has a low righting capability if capsized. It is best suited as a racing boat. The fuel capacity is originally very small.

Ker 33 for sale elsewhere on the web:

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• Sailboat Guide

Ker 33 is a 32 ′ 9 ″ / 10 m monohull sailboat designed by Jason Ker and built by McConaghy Boats starting in 2014.

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)

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Donald McClarence (Rockdale County Sheriff's Office)

ROCKDALE COUNTY, Ga. — The Rockdale County Sheriff’s Office is asking for the public’s help in finding a man who was last seen the week of Thanksgiving.

Rockdale County Sheriff’s Office investigators say Donald McClarence spoke to his sister in New York during the week of Thanksgiving 2023 and mentioned his plan to visit her and the family in New York.

He was last seen that week at 1400 General Arts Road.

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The last time his family heard from him was December 20, 2023.

McClarence, 41, is described as bald, 140 lbs., standing five feet eight inches tall, with tattoos of “Mom + bro RIP”, a large cross, and a tribal design across his back.

He has a scar from the middle of his back to his neck.

Anyone with information on his whereabouts is urged to call the Rockdale County Sheriff’s Office Criminal Investigations Division’s Investigator Grote Levett at 770-278-8166.

You can email him at [email protected] .

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