OUR HISTORY:

OUR HISTORY:

  2017

Team Managers

Sokratis Tzanetos
Konstantina Fountouli

STRUCTURAL DESIGN

Nikos Manikas
Aggelis Themelakis
Aggelos Tsonos
Panos Tsioumas
Kostas Koutsioukos

HYDRODYNAMIC DESIGN

Aphrodite Kanellopoulou
Giorgos Dafermos

 

PROPULSION,
CONTROL & TELEMETRY

Michalis Foteinos
Nikos Planakis
Dimitra Konstantinou
Apostolis Serreos
Panos Kalogris
Nikos Vlachakis
Giorgos Karadimas
Leonidas Tsaganos
Fotis Papadopoulos

Communication

Konstantina Fountouli     
Sokratis Tzanetos     
Giorgos Anagnostakis


 

 

 

Team Photo 2017


2017

Team Photo 2017

 

Team Managers

Sokratis Tzanetos
Konstantina Fountouli

STRUCTURAL DESIGN

Nikos Manikas
Aggelis Themelakis
Aggelos Tsonos
Panos Tsioumas
Kostas Koutsioukos

HYDRODYNAMIC DESIGN

Aphrodite Kanellopoulou
Giorgos Dafermos

PROPULSION,
CONTROL & TELEMETRY

Michalis Foteinos
Nikos Planakis
Dimitra Konstantinou
Apostolis Serreos
Panos Kalogris
Nikos Vlachakis
Giorgos Karadimas
Leonidas Tsaganos
Fotis Papadopoulos

Communication

Konstantina Fountouli     
Sokratis Tzanetos     
Giorgos Anagnostakis

 

 

PARTICIPATED IN:

2017

In 2017 Oceanos-NTUA constructed two boats.
The design team came up with two hydrodynamic hull shapes.
We tested our designs using computational hydrodynamics software, and realized that with the available power our designs were more than capable to hit our goals. In  order to find the optimal way to distribute the weight of the load and minimize their resistance, we performed simulations under the assumption of various loading conditions. In propulsion team, we examined different propellers to find the optimal ones for our boats. We chose a Torqeedo, two-blade fixed pitch propeller. Finally, we decided to construct the boats using carbon fiber reinforced plastic (CFRP).

Mass Transport: 13th
Private Boat: 4th

photo26_2017
photo24_2017


PARTICIPATED IN:

2017

In 2017 Oceanos-NTUA constructed two boats. The design team came up with two hydrodynamic hull shapes. We tested our designs using computational hydrodynamics software, and realized that with the available power our designs were more than capable to hit our goals. In  order to find the optimal way to distribute the weight of the load and minimize their resistance, we performed simulations under the assumption of various loading conditions. In propulsion team, we examined different propellers to find the optimal ones for our boats. We chose a Torqeedo, two-blade fixed pitch propeller. Finally, we decided to construct the boats using carbon fiber reinforced plastic (CFRP).

Mass Transport: 13th
Private Boat: 4th

photo26_2017
photo24_2017


OUR RESEARCH:

Hydrodynamic Design:

  • Design of the heavyweight boat and optimization by using a fast displacement hull with a bulbous bow.
  • Placement of the pod at the aft side of the vessel, while the rudder at the transom.
  • Design of a slender displacement hull has for the lightweight and long-distance races.
  • Placement of the pod in the mid-aft side of the vessel, while the rudder in the transom.

Structural:

  • Construction of the vessels  from carbon fiber reinforced plastic, using a wooden male mold.
  • Research and examination of four different loading conditions for the placement of the weight elements

Propulsion, Control & Telemetry:

  • Selection of a Watt & Sea POD 1200W propulsor
  • Selection of apassively water-cooled motor ,with static thrust up to 320N.
  • Use of a 36V battery supplied by the organizer, to power the motor.
  • Use of a speed controller that  is a Watt & Sea 1200W, 36 V controller.


OUR RESEARCH:

Hydrodynamic Design:

  • Design of the heavyweight boat and optimization by using a fast displacement hull with a bulbous bow.
  • Placement of the pod at the aft side of the vessel, while the rudder at the transom.
  • Design of a slender displacement hull has for the lightweight and long-distance races.
  • Placement of the pod in the mid-aft side of the vessel, while the rudder in the transom.

Structural:

  • Construction of the vessels  from carbon fiber reinforced plastic, using a wooden male mold.
  • Research and examination of four different loading conditions for the placement of the weight elements

Propulsion, Control & Telemetry:

  • Selection of a Watt & Sea POD 1200W propulsor
  • Selection of apassively water-cooled motor ,with static thrust up to 320N.
  • Use of a 36V battery supplied by the organizer, to power the motor.
  • Use of a speed controller that  is a Watt & Sea 1200W, 36 V controller.
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2016 – 2017 TIMELINE:

 

2016 – 2017 TIMELINE:

  • Oct 2016

    Team's Reorganization

    After the satisfactory performance of the team in its first participation despite the lack of both experience and time, we opted to continue this beautiful journey. In particular, we decided to take part in the lightweight and mass transport categories and to construct two vessels from scratch, one for each category. Simultaneously, the hydrodynamic optimization of the vessel used in 2016 began, with the aim of optimizing the hull performance and understanding the operation of the slides.

  • Dec 2016

    Recruitment

    Following the team’s new goals, as well as the change in the 2016’s  structure, we selected new team managers and ran a recruitment process. The aim of the recruitment was to give the opportunity to more students, with passion and perseverance, to expand their knowledge in the subject of the school and to understand the true meaning of  participating in such a major competition.

  • Jan 2017

    Design of the two Hulls

    To prepare for the competition, we constructed two brand- new models for the two main categories of the competition. For the lightweight category, the team was inspired and designed a fairly thin and long boat. This model was designed to achieve a speed of 6 m / s, a speed which is competitive with the rest of the teams to claim some distinction in the competition. In the mass transport category, the team was inspired by a displacement craft from container and container ship designs that are thinner and designed for higher speeds than other types of cargo ships, specifically designed for a cruising speed of 3 m / s to compete .

  • Mar 2017

    Research in Telemetry

    The telemetry system is a system of electronic sensors, which receive information from the movements of the vessel. Suggestively, the information transmitted is the speed, position and the various movements of the vessel on the 6 axes, the demand and consumption of the battery. Since such information comes to be necessary for the proper management of the vessel during the races, we carried out a study in order to accommodate our 2 boats.

  • May 2017

    Construction

    After the vessels above were studied and their final dimensions were finalized, we chose to finish with their construction. During the first stage ,the construction started by the creation of female molds of extruded polyester foam, which we considered to be suitable due to its easy processing and reduction of cutting time in relation to wood. The cutting process was executed in a standard carpentry and using a cnc machine. Then, the parts were shipped to a group sponsor to complete the final outfit of the molds, which would be made of carbon fiber. Then the boosters were placed from the group and the bases were created to place the equipment.

  • Aug 2017

    Test & Trials

    Our testing experiments took place directly on offshore trials, in an enclosed environment on the premises of the marina of St. Kosmas, to be exact. During the tests the vessels proved to be functional and seamless, although some problems were spotted again.

    In particular, the lightweight boat encountered problems of dynamic stability at high speeds, which the team felt were problems of running and at the same time did not respond to the steering mechanism to check the boat. Hence, the team decided to add paraphrases to check the phenomenon. In the mass transport boat, a lot of provisions were needed in the distribution of weights to find the point where the bulb was working properly. However, the boat was sailing at the speed of our design plans  and had no serious problems, neither needed any modifications nor alterations to its design.

     

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photo27_2017
photo24_2017

SPONSORS:

SPONSORS:

We are so happy that our cause is sponsored by: