Knowledge hub
Browse topics you find interesting below.
Latest posts
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How much power do I need from a boat thruster?
15.4.2021Thruster expert Runar Scott Jensen explains how to calculate the amount of power you will need from your bow and/or stern thruster.
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Do I need a bow thruster on a small boat?
15.4.2021Small, shallow draft boats with narrow-angle, v-hull designs with light to moderate displacements are highly responsive, rewarding and great fun to drive at significantly higher than average cruising speed. So do you really need a bow thruster?
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Factors that impact thruster efficiency
15.4.2021Using the input power rating as the deciding factor for the right thruster model might leave you with a severely underrated system as there are vast differences between input power and actual thrust output from various manufacturers.
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Are Lithium-ion (Li-ion), LiFePO4 or Lithium batteries a good solution for thruster battery banks?
1.9.2022Not necessarily. These systems typically come with a Battery Management System (BMS) that will disconnect the thruster in case of any issue with the battery.
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Can I use LiFePO4, Lithium or Lithium-ion batteries for my thrusters?
1.9.2022Yes, you can, but not without taking some precautions. Sleipner produces two product lines of thrusters that will work well with high-capacity batteries and one product line which should be used with caution in combination with LiFePO4, Lithium, Li-ion, or similar batteries, which may be capable of delivering higher voltage under load than traditional batteries (such as lead-acid, AGM, gel or similar).
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How to reduce noise from your bow thruster
8.6.2021Does your bow thruster make a lot of noise? Whether there's been a lot of noise from the day it was installed, or if the noise level has evolved over time, there are ways to fix this.
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What happens if I connect a Lithium, Li-ion or similar battery to my on/off DC thruster?
2.9.2022A Lithium or Li-ion battery may maintain a significantly higher voltage and higher current under load than a lead-acid, gel, or AGM battery.
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Why does Sleipner declare thrust at 10.5 volts whereas others state thrust at 12 volts?
1.9.2022Unlike most thruster manufacturers, Sleipner bases its products' thrust (kgf) on a realistic, achievable voltage in real-life conditions rather than on theoretical thrust measured under ideal laboratory conditions.
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My boat has Lithium batteries. Must I replace them?
2.9.2022If you have Lithium batteries powering your thrusters, the best advice we can give you is to check the actual voltage measured on the thrusters during operation.
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Can the thruster cause the BMS to disconnect the batteries
2.9.2022Yes. Thrusters are heavy consumers, and they may create sudden peaks in current draw, which again may cause the BMS to disconnect the batteries if the thruster draws more current than allowed. If this happens in the middle of a maneuver, you would be left without thrusters and may lose control of the boat.
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What is the recommended battery bank for thrusters?
2.9.2022Sleipner recommends that the thrusters are connected to a battery bank that is not protected by a Battery Management System (BMS).
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How much does a stabilization system cost?
15.4.2021The cost of installing a stabilization system on a boat varies depending on whether the boat is new or used, not to mention the boat's design characteristics.
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Why you should have an automatic main switch
15.4.2021Do you know where to find and how to shut off the main power switch onboard your boat in case of an emergency?
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What are yacht stabilizers and how do they work?
15.4.2021Marine stabilizer systems have been around for a long time, but are typically known for being used on larger passenger ships and superyachts. However, with the dramatically increased comfort and usability stabilizers add to any boat, it has also left owners of small leisure vessels wanting these systems.
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How do stabilizers affect speed and fuel consumption?
15.4.2021Traditionally, both fin and gyro stabilizers impact speed and fuel consumption, either by the added weight of a gyro or the added water resistance of external fins. In this article, we highlight the various features of modern fin stabilizers that can alleviate these disadvantages.
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How to choose the right stabilizer for your boat
15.4.2021Over the last few years, roll stabilization has become a must-have for boat owners due to the impressive increase in comfort it delivers. The dramatic roll reduction modern systems provide also increases safety onboard and as a result, allows many families to get more use out of their boats.
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My thruster is cavitating. What do I do?
5.9.2022Cavitation appears when the thruster propeller draws air from the surface, resulting in severely reduced thrust performance and significantly increased noise.
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How to choose the right thruster for your boat
15.4.2021If you are considering installing a bow thruster on your boat, there are some things to consider before choosing the type and manufacturer. Here are the essential factors to contemplate in your planning.
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What is the S-Link™ control system?
2.9.2022S-Link™ is a CAN-based control system used for communication between Sleipner products installed on a vessel. The system uses backbone cables as a common power and communication bus with separate spur cables to each connected unit.
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Project engineering
8.2.2023Sleipner offers project engineering, including 3D modeling, calculations, system-specific documentation, type approvals, certifications, and onboard system setup and training.
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A complete hydraulic system
8.2.2023We offer complete hydraulic systems with guaranteed performance for all the components to be compatible and maintain the same high quality. All systems are ready-to-use to provide the simplest possible installation and the highest quality assurance.
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Pros and cons of different thruster solutions
15.4.2021Boats come in many different shapes and sizes. There are now bow and stern thruster solutions for virtually every type of motorboat and sailing yacht ever produced.
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Five benefits with variable speed control
15.4.2021Speed controlled thrusters have been in the wind for a while now. In this article, we break down the benefits of a PRO thruster system even further.
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The boater's guide to corrosion
15.4.2021This guide is intended to give you a fundamental understanding of what corrosion is, what causes and affect it, and help you determine which anode material is right for your boat.
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Why do people get seasick, and how can you avoid it?
15.4.2021Even those who are affected by seasickness more than average can enjoy what boating has to offer with the right equipment on board. This article will look into what causes seasickness and how you can avoid it on a yacht or a boat.
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Vector fins™ versus flat fins stabilizers
15.4.2021In our focus to develop the best products for the marine market, we continuously invest to make all of our products even better. In this article we present the difference between flat fins and Vector fins™.
