Jefa Marine and Jefa Steering produce high quality rudder and mechanical steering systems for sailing yachts. Welcome to the Jefa brand name web portal! Jefa Steering and Jefa Rudder are two independent companies sharing their web entry portal. Clicking on the below website entries will bring you to each separate website.
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Starting in 2001, Jefa Steering Systems quickly evolved to become a world leader in sailboat steering systems. Chain & Cable steering systems are the traditional favorite of builder and sailors. Jefa’s Chain & Cable steering systems are designed to take advantage of modern manufacturing techniques using machined and fabricated parts, starting from extrusions, plate, …
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Sep 24, 2019 . New Jefa Steering system becomes even more useful when mounted in double rudder steering systems. The idea was to make a center bolt that controls the whole system and is placed inside the exsiting or the new steering system. This system is easy to integrate in any Jefa Steering system while the outer design is not changed at all. A favorable price of 240 € …
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In 1990 Jefa Marine started to make steering systems. In 2001 a separate company – Jefa Steering Systems – was founded and all the sales of steering systems was handled by this company but all sales and service efforts were handled by a combined commercial team. End of 2017 the ownership of Jefa Steering went to the Danish company BSI and the combined …
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Sealing Systems. Tiller Heads. Washers. Deck Covers. Sleeves. Who is Jefa Rudder? Beginning in 1980, Jefa Rudder has supplied Rudder Bearings to over 40,000 boats. Jefa was founded by Jan Faurschou. Today Jefa Rudder is steered with the second generation at its helm, by Jan’s daughter Louise. + 0.
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THE STEERING SYSTEM OF CHOICE. FOR SERIOUS BOATBUILDERS. Since 2001, JEFA Steering has rocked the boat business with its innovative steering solutions that have grown to become the steering system of choice for the biggest production of yacht shipyards in the world.
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The Jefa Direct Drive is one of the the strongest compact autopilot drives in the world. The combination of the specially designed electric motor with the ultra efficient 3 stage planetary gearbox results in an extremely efficient drive unit to keep the battery charging time to the minimum. Read More Transmission Drives
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Mar 02, 2008 . a) Overpowered steering motor. Jefa manuals specifically state to reduce the output of the servodrive to 20 Amps. This can be accomplished by adjusting the GAIN of the steering computer. Servosystems are not like normal motors. If you instruct them to move fast they will and of course will draw as much power as necessary.
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There are two factors that significantly reduce energy requirements. 1. The mechanical gearbox produces less friction and back drive, consuming less energy for the autopilot. 2. JEFA uses a flat-wound pancake motor that is 70-80% efficient, vs. the standard-wound DC motor that is almost half as efficient. Jefa Steering System
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Steering Systems in Motor Vehicles. The steering system transfers the rotation of the steering wheel to the steering shaft on the vehicle, to move the wheels left or right. In most vehicles, this is done through the rack and pinion steering system. Power steering or power-assisted steering provides extra energy to help turn the wheels so just about anyone can turn the wheel with ease.
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The steering and suspension system also helps drivers remain in control of their vehicles at all times. The suspension system converts forward energy created by bumps in the road into vertical energy that travels up into the vehicle frame.
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Jefa Steering is a world leader in sailboat steering with their systems on some of the most prestigious and recognized production boats in the market. With four different steering methods available, Jefa steering always has a solution for your boat. Looking for Jefa Rudders or Rudder Bearings? Visit our Jefa Rudders & Rudder Bearings website.
The CNC process allows Jefa to deliver high quality close tolerance for new systems and precision replacement and service part for existing systems. Jefa's Transmission Steering System "TSS" is mechanical system for any Sailing vessel with high steering loads or a complex path from the steering wheel to the rudder.
More than 20.000 rudder and more than 150.000 rudder bearings have left the Jefa factory since 1980. In 1990 Jefa Marine started to make steering systems.
Jefa Steering pedestals are finished with electrostatic powder coating for durable glossy finish that will withstand years of exposure in harsh marine environment. Wire Sheave assemblies are available with sheaves machined from delrin or aluminum alloy.
More than 20.000 rudder and more than 150.000 rudder bearings have left the Jefa factory since 1980. In 1990 Jefa Marine started to make steering systems.
In 1990 Jefa Marine started to make steering systems. In 2001 a separate company – Jefa Steering Systems – was founded and all the sales of steering systems was handled by this company but all sales and service efforts were handled by a combined commercial team.
Today Jefa Rudder is steered with the second generation at its helm, by Jan’s daughter Louise. Jefa rudder bearings offer the utmost in feel and durability.
Once the rudder is static, regardless of its actual position, the ram and steering lines (up to the check valves in the helm pump) are carrying the load, or pressures, developed in the system (the rudder is always being pushed, one way or another, from the vessel movement and / or water movement around or past it..