
3-D model of the HJ 3 type nozzle

A
Steerprop dual-end CRP propulsor
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For
vessels with a requirement on bollard pull, e.g. harbour
tugs, river pushers and AHTS vessels ducted propellers
is the best solution. The nozzle used by Steerprop
is the new high performance HJ3 type nozzle, of Steerprops
own design. It combines increased bollard pull with
better free running efficiency, giving an improved
overall performance. The increase in bollard pull
is 8 …10% and in high-speed efficiency approximately
15%, compared to a traditional 19A type nozzle. (for
more information on the HJ3 nozzle please visit the
products info page)
For
vessels that operates mostly in free running conditions
Steerprop propulsors with Contra-Rotating Propeller
(CRP) may offer the ideal solution, enabling a saving
in fuel consupmtion of even more than 20%.
The
Steerprop CRP has a new type of dual-end configuration,
which together with a sophisticated hydrodynamic design
of the underwater parts, provides a higher efficiency
than any other propulsor.
(for more
information on the dual-end CRP please visit the products
info page)
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