JT272 Marine Water Jet Propulsion
JT272 Marine Water Jet Propulsion

JT272 Marine Water Jet Propulsion

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Price:RUB 559,526.40

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Product Overview

Description

Product Description

Water-jet propulsion pump discharging of a high velocity jet stream generates a reaction force in the opposite direction, which is transferred through the body of the jet unit to the craft's hull, propelling it forward. It works in relation to Newton's Third Law of Motion – "Every action has an equal and opposite reaction". A good example of this is the recoil felt on the shoulder when firing a rifle, or the thrust felt when holding a powerful firehose.

Specification of JT272
Input power
kw
140-270
Input speed
rpm
2100-2600
Impeller diameter
mm
270


To choose engine with suitable power and speed, refer to below power-speed curve.
If gearbox is needed, consult us for more information.

For boat water-jet installation, see below water-jet dimension.
Contact us for clearer pictures.
Consult us for more installation information if needed.

Water-jet propulsion advantages

Reliability
Water-jets have fewer moving parts and most major components inboard, minimizing the chance accidental damage and increasing the life of components.

Excellent Manoeuvreability
Precise steering control at all boat speeds. "Zero Speed" steering effect provides 360° thrusting ability for docking and holding stationary. Sideways movement possible with multiple jet installations.

High Speed
Water-jets are designed to be optimized for vessel speeds from 25-50 knots, dependent on application's engineering variables including hull resistance and type, engine power rating and rpm, impeller rating, etc.

Shallow Draught
Water-jet intake is flush with hull bottom to allow access to shallow water areas and beach landings with no risk of damage to the drive.

Total Safety
No exposed propeller for complete safety around people in the water and marine life.

Detailed Images

Intake Section

The intake section has been designed to ensure optimum efficiency across a wide range of boat speeds and pass thrust to boat through installation plate. A intake grill is installed under intake section to prevent big debris from impacting or damaging impeller and guide vane.




Steering parts

The standard steering deflector is a balanced design which can be operated by the normal helm pump hydraulic steering system or an electro-hydraulic steering control system.




Reverse Parts

The reverse deflector is of the twin duct type which, in conjunction with the steering deflector, gives excellent low speed maneuverability. The reverse deflector is operated by cylinder which gives precise control with minimal effort.




Pump Body

The intake section, guide vane, nozzle, steering and reverse deflector are manufactured from marine grade aluminium alloy to provide maximum durability. These parts are finished with a two pack marine paint system.


Application Scope

Designed for applications where high thrust without cavitation is required at high boat speed such as yacht, rescue boat and workboat.

Certifications
Our Service

Pre-Sales Service:

7x24hours inquiry and consulting support.

Water-jet recommend depending on boat and engine. Contact us for clearer application questionnaire doc.
View our Factory.

After-Sales Service:
Online training how to install and use the water-jet.

Engineers available to service overseas with reasonable cost.


Packing & Delivery





Packaging Details


The normal package is plywood box. If needed, we could prepare different packing box according to customers special request.

Packing content: Water-jet unit, Qualification certification, Operation Manual, spare parts.
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