Holland Marine Parts BV

P.O. Box 3050, 3301 DB Dordrecht
Donker Duyvisweg 297, 3316 BL Dordrecht
Netherlands

Hall map

boot 2018 hall map (Hall 10): stand G74

Fairground map

boot 2018 fairground map: Hall 10

Our range of products

Product categories

  • 02  Engines and Related Equipment
  • 02.02  Engine Parts/Control
  • 02.02.20  Bow/Stern Thrusters

Bow/Stern Thrusters

Our products

Product category: Bow/Stern Thrusters

Bow thruster

The operation of the Jet Thruster is based on the sucking in of outside water. It is subsequently expelled through nozzles in the bow side. To this end the Jet Thruster has been fitted with a powerful centrifugal pump, a three-way valve and electrical controls. Because the Jet Thruster does not use a propeller, no disturbing cavitation sound is produced.

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Product category: Bow/Stern Thrusters

Stern thruster

The operation of the Jet Thruster is based on the sucking in of outside water. It is subsequently expelled through nozzles in the stern side. To this end the Jet Thruster has been fitted with a powerful centrifugal pump, a three-way valve and electrical controls. Because the Jet Thruster does not use a propeller, no disturbing cavitation sound is produced.

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About us

Company details

Holland Marine Parts in Dordrecht, the Netherlands, manufactures the Jet Thruster. Owner-manager Henry Kroeze and Marketing Manager Pieter Cats are the familiar faces of the company. The Jet Thruster is a unique system that uses water pressure to easily manoeuvre vessels. It finds its way from Dordrecht to customers all over the world.

The current Jet Thruster has a comparatively short history, contrary to Henry Kroeze’s, who has over forty years’ experience in metalworking and plastic processing. In addition he has vast experience as an entrepreneur in the maritime sector. In this capacity he supplies, among other things, motor components to shipbuilders at home and abroad. One of Kroeze’s traits is that he never ever stops at half measures. He strives for perfection, and this was evident in the development of the Jet Thruster.

Development and Testing 
Henry Kroeze: “I took over the product, the predecessor of the current Jet Thruster, in 2010. The idea and principle behind it appealed to me. I thought I should be able to market the product in short order, but first we set to examining and testing the system thoroughly. I was deeply disappointed with the results. So instead of marketing the product we started to systematically improve it. Our engineering department, assisted by outside help, scrutinised every part of the system. The pump, the impeller, the valves, the pipes, the control system… nothing has in fact remained as it was when I bought the product. All the materials our people had even the slightest doubt about we immediately replaced with high-quality alternatives, and while doing so we improved the entire principle. For instance, we removed the square curves and optimised the flow of the water, which is pumped to the outlet nozzles, by using a Y pipe.” Meanwhile we had invested in a testing facility in the form of a test tank and accompanying hardware and software. Only in this way could hard data be acquired, thus establishing the effectiveness of the system.

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