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About Me

Cesar Harada (28) is an French-Japanese inventor and entrepreneur.
Cesar invented a ground-breaking sailing technology, a boat that changes shape, “Protei”. Originally developed to clean up the BP oil spill in the Gulf of Mexico, Protei is an Open Hardware project now developed by an international community of scientists, engineers and designers for many other applications such as nuclear radiation sensing off Japan, plastic sensing in the Pacific garbage patch, red tide studies in Mexico and much more.
Cesar is also the general coordinator of the future International Ocean Station. Former Project leader at MIT, Cesar teaches Masters in Design & Environment at Goldsmiths University in London. Cesar graduated in 2009 from the Design Interactions course at the Royal College of Arts in London, his collaborative project Open_Sailing received the Ars Electronica Golden Nica award for the [NEXT IDEA].

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Protei "Alien" 5.1 by Rotterdam bridge

A week ago, we floated Protei 5.1 in Rotterdam by the famous bridge !!!

Protei 5.1 by Rotterdam bridge

We gave a nickname to this yet undocumented version : Protei 5.1 "Alien" after we took this picture :
Protei 5.1 [Alien]

Protei 5.1 is mostly transparent body, so we can things move inside. 

Protei 5.1, Rotterdam NL DSC_0279DSC_0395

Protei 5.1 is the baby of Piem Wirtz, Etienne Gernez, Henrik Rudstrom and Cesar Harada, all built for about $150 at the V2_  in Rotterdam, NL.


Protei 5.1 control box top detail DSC_0359

Protei 5.1 wasn't a truly functionnal prototype, but enabled us to :

  • - Combine Inflatable AND articulated hull (Protei 002 + 003).
  • - Test new Materials.
  • - Enhance a more compact version of the command box with suspended servos.
  • - Enhance the transmission cable path.
  • - Give a preview to the $400 backer of the type of Protei they will get.

    • It was great fun, we learnt a lot again but overall Protei 5.1 will be very useful for the whole Protei team coming this summer in Rotterdam to build the full-scale Prototype.

    If you want to stay updated with the progress of Protei, we recommend you to join the Open_Sailing Facebook group:) 

    Just as a reminder : there is only 5 days left to back Protei on Kickstarter. Thanks!

    Original Post on Kickstarter, copy on Protei/news.

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