Optima Nozzle
THE BEST OF BOTH WORLDS
In order to improve the propulsive efficiency of the 19A and 37 nozzles, Damen Marine Components carried out several research projects which produced the Optima nozzle, which brings the best of both worlds together.
The Optima nozzle combines forward thrust performance comparable with the conventional 19A nozzle with the excellent reverse thrust performance of the 37 nozzle. This is achieved by having a slightly longer and higher inlet profile and the propeller located just behind the middle of the nozzle. The outlet profile is practically identical to the profile of the type 37 nozzle. After an intensive period of designing, developing and testing we launched the Optima nozzle in 1998.
The Optima nozzle is ideal for various types of vessels thanks to its good forward and reverse thrust performance and its extremely strong profile. They include icebreakers, inland ships, pushbusters, tugs, workboats, dredgers and various other vessels that combine relatively high power output with heavy sailing conditions.
ADVANTAGES
In short
- Optimal forward thrust
- Optimal reverse thrust
- Designed to reduce sound levels
- Designed to reduce vibrations
AVAILABLE MODELS
The nozzle can be delivered in different configurations (L/D = Length Diameter ratio):
- L/D 0.4 version requires less engine output with ice class vessels and generates less resistance at high speeds. It delivers higher speeds to coasters, fishing ships and other ship types sailing at speeds of up to 14 knots.
- L/D 0.5 for hoppers, tugboats and inland waterway vessels.
- L/D 0.6 for i.a. pushboats to create high engine output and low speed.
- Optispec: steerable nozzle.
Optima nozzles in stock
- 1 616 MM DIAMETER
- 1 662 MM DIAMETER
- 1 662 MM DIAMETER
- 1 762 MM DIAMETER
- 1 762 MM DIAMETER
- 1 862 MM DIAMETER
NOZZLES
1 616 MM DIAMETER
Box width: 1 450 mm;
Chest height: 1 201 mm;
Flattened below CL nozzle: 930mm;
Drawing No.: St. Optima Ø1616;
Class: L.R.;
DMC PON: NB14200398;
No: 1;
NOZZLES
1 662 MM DIAMETER
Box width:1 500 mm;
Box height: 1 231 mm;
Flattened below CL nozzle: Round;
Drawing No.: P0814/1662;
Class: L.R.;
DMC PON: NOZ14201633;
No: 1;
NOZZLES
1 662 MM DIAMETER
Box width:1 500 mm;
Box height: 1 231 mm;
Flattened below CL nozzle: Round;
Drawing No: P1084/1662;
Class: L.R.;
DMC PON: NOZ14190363 (Type plate NOZ14181836);
No: 1;
NOZZLES
1 762 MM DIAMETER
Box width: 1 710 mm;
Box height: 1 350 mm;
Flattened below CL nozzle: 1062 mm;
Drawing No: P1283/1762A;
Class: None;
DMC PON: NOZ14202668;
No: 1;
NOZZLES
1 762 MM DIAMETER
Box width: 1 710 mm;
Box height: 1 350 mm;
Flattened below CL nozzle: 1062 mm;
Drawing No: P1283/1762A;
Class: L.R.;
DMC PON: NOZ14192494;
No: 1;
NOZZLES
1 862 MM DIAMETER
Box width: 1 740 mm;
Box height: 1 765 mm;
Flattened below CL nozzle: Rond;
Drawing No: P0814/1862;
Class: None;
DMC PON: 21021;
No: 1;
MANUFACTURING PROCESS
Single weld
spinning method
Damen Marine Components has developed the Single Weld Spinning Method based on a single weld seam on the inner side of the nozzle. This machine can produce nozzles with an inside diameter ranging from 1,000 mm to 5.3 m outside. Using a completely automated system, the spinning machine can handle stainless steel, duplex, steel and special steel materials.
Downloads
CONTACT DMC
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For questions and/or comments, you can contact us using the details below or through the contact form.
