Consult Jastram GmbH & Co. KG’s Jastram Model H Helm Pumps brochure on NauticExpo. All other pumps have a 1/2″ NC stainless steel wheel bolt. HELM. Nov 23, This Pin was discovered by Meg Jastran. Discover (and save!) your own Pins on Pinterest. SILVER. The Restless Metal. ROY W. JASTRAM. University of Califomia, Berkeley. A RONALD PRESS PUBLICATION. JOHN WILEY & SONS, New York.

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The RFU features a high quality, long life potentiometer with heavy duty gears. Our line of products ranges from simple manual kastran for small vessels, to digitally-controlled and integrated systems for large ships. Due to construction of the T-Ram, the clamp fitted tiller provides an integral rudder carrier bearing when the ram is supported from below. In essence, they start and stop the electric motor which drives the hydraulic pump powering the steering gear.

Galvanic cathodic protection CP is calculated and installed to protect the system for up to 5 years. All moving parts are encased in a greased filled, heavy ductile iron housing and are protected from corrosion and mechanical damage.

Transverse Thrusters

When the traditional steering wheel is turned the EW produces an analog rudder command signal. To improve performance the propeller design is continuously modified according to the latest developments.

The integral tiller simply clamps on to the rudder post and the whole assembly self aligns to it. For those vessels where space is a large concern. The Jastram Lever Controller provides full follow-up way dependent electric control. The T-ram assembly mounts directly on the rudderstock and self-aligns, supporting its own weight. These are stand alone systems comprised of three main components: RAI power Supply 3.


When the steering lever is moved to the desired rudder angle, the rudder will follow-up. Other systems usually move the rudder back to center before acquiring control of the steering. Jastram steering systems can be offered with an Engine driven type of unit which consists of a pump that couples onto the existing main engines and provide flow to a custom wall mount reservoir assembly. These customized panels provide visual and audible alarms at both local and remote stations.

Jastram T-Ram Steering Systems are exceptionally tough and reliable. We design and manufacture marine steering systems to the highest quality standards. The given thrust range in kN results from the calculation using the column ‘Max kW’ and is based on optimised tunnel, inlet cone and fore shapes. Vertical or horizontal mounting or any other installations for electric, hydraulic or diesel engine drives are available.

Products – Wagner Engineering Ltd.

Drive shaft extensions for restricted space in stern installations and detachable systems for workboats to allow servicing without docking are examples of our ability to meet customer requirements. The range is influenced by the respective installation design. Jastram have been developing and producing transverse thrusters since When taking over control of the steering system the Digital wheel takes over at jzstran present position of the rudder.

The Digital Helm Manifold DHM is a small, compact manifold which provides seamless transfer from fly-by-wire steering to emergency manual hydraulic steering in the event of a power failure. A holding brake to prevent propeller windmilling and noise during jastrann is recommended. The Largest of the Indicators is the overhead three faced panoramic indicator. The MSA comes in 3 series: The T-ram is a complete self-enclosed steering unit that provides fast rudder movement through midships and maximum torque at the hadvover positions.


The X80 Indicators come in 3 sizes to fit all bridge applications. They provide a proven, trouble free system for all types of commercial vessels. The Jasrran is jasran state-of-the-art electro-hydraulic steering system, providing full follow-up power steering with unmatched smoothness, quietness and accuracy for small to medium size vessels.

metsl It is designed for heavy duty use and requires very little maintenance as all moving parts are encased in grease-filled, heavy duty housing. Setting the Standard in Marine Steering Excellence.

All electronic circuitry necessary to develop rudder feedback signal and rudder jastra signal is contained within the RFU With worldwide representation and an in house ability to communicate in twenty-one languages, customers can be assured that any question will be answered quickly.

We design and built according to all major marine classification rules and requirements. Under emergency manual hydraulic steering the numbers of turns depends on the size of the actuators.

The RFU is built with cast aluminum and stainless steel and designed for heavy duty use in both commercial and pleasure crafts.