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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For those vessels where space is a large concern. To improve performance the propeller design is continuously modified according to the latest developments.

Transverse Thrusters

Jastram Digital Wheel DW. The Jastram Lever Controller provides full follow-up way dependent electric control. Setting the Standard in Marine Steering Excellence. This motivating force is why Jastram is compelled to design and manufacture to the highest quality. The MSA comes in 3 series: Jastram Engineering is well known for its commitment to quality, from initial design continuing through the manufacturing process to system commissioning and after sales service. Rudder Feedback Unit Jastram transverse thrusters are made from high-grade certified materials and are designed individually according to the given installation conditions.

When the traditional steering wheel is turned the EW produces an analog rudder command signal. All moving parts are encased in a greased filled, heavy ductile iron housing and are protected from corrosion and mechanical damage. Jastram S Model Actuators are specifically certified for use in commercial marine hydraulic steering systems.


Their rugged steel construction includes many standard features resulting from our long experience in the manufacture, operation and service of steering systems. Under power steering, the steering wheel is turned producing a rudder command signal.

The comfort and safety of the vessel and crew is in part dependent on how well the steering system functions. Galvanic cathodic protection CP is calculated and installed to protect the system for up to 5 years.

Vertical or horizontal mounting or any other installations for electric, hydraulic or diesel engine drives are available. Only two torque struts arm are required to connect the T-ram to the vessels hull structure.

When the steering lever is moved to the desired rudder angle, the rudder will follow-up to the position requested b the lever. Reliable gears, worldwide service, direct contact to our service department and detailed archived data for each delivered system are well accepted by the maritime industry and international shipping companies. We design jasstran manufacture marine steering systems to the highest quality standards.

The wheel is not supplied with the digital wheel. These are stand alone systems comprised mmetal three main components: The two main features of the Digital Wheel over the standard electric wheel are: Under emergency manual hydraulic steering the numbers of turns depends on the size of the actuators.


Transverse Thrusters

The Largest of the Indicators is the overhead three faced panoramic indicator. The Mefal Indicators come in 3 sizes to fit all bridge applications. Digital Wheels are unique input devices which provide full follow-up digital electric control.

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.

This makes Jastram the perfect choice for new installations, retrofit of existing systems or for replacement of worn out parts. The EW provides full follow-up electric wheel control. The rudder will then follow-up to the position commanded by the movement of the wheel. T Ram Rapson Slide Actuators.

Jastram Brass Model Cylinders B series. Other systems usually move the rudder back to center before acquiring control of the steering.

When the steering lever is moved to the desired rudder angle, the rudder will follow-up.