THE Moment of the Birth of “GATE RUDDER”
・April 2011: Kuribayashi & Kamome Propeller started R & D of the Frame Rudder .
Research project Japan Ship Machinery and Equipment Association (JSMEA)
ttled “Research and Study on Manufacturing Methods and Structural Design + Methods for a New Type of Rudder Frame Rudder.
・ April 2012: JSMEA project “Study on Manufacturing and Structural Design Methods for a + Frame Rudder” was finished
・ March 2012: Chairman Sadatomo Kuribayashi visited the NMRI.
President Inoue introduced Dr. Sasaki (Senior Director of Research) to help him
・ March 2012: NMRI started the new project for the” Frame Rudder”, based on Sadatomo’s concept
・ April 2012: Tank test of Frame Rudder was conducted at NMRI
・ June 2012: Joint research on the Frame Rudder (planning for full-scale ship trials) was started
・ June 28, 2012: Plan of patent application for the Frame Rudder.
・ June 2012: Full-Scale Sea Trials for the Frame Rudder was conducted, the result was not
satisfactory
・ July 2012: Withdrawal of patent application for the Frame Rudder
・ August 2012 Joint research proposed by NMRI (SASAKI Senior Director of Research) for “Gate Rudder” named by Sasaki was started
・ October 2012: Patent application “Gate Rudder”
Inventor: Noriyuki Sasaki, Sadatomo Kuribayashi, Hiroshi Itazawa, Nobuhiro Asami
・ October 2013: Tank tests using a bulk carrier model at (NMRI) confirmed an 8% energy-saving by
“Gate Rudder “
・ April 2014: Research on the maneuverability of the new rudder type “Gate Rudder “conducted at MTI of NYK subsidiary
・ August 2014: Modified “Gate Rudder” design was proposed by Chairman Sadatomo Kuribayashi
・ October 2014: Patent application for the modified “Gate Rudder” design Inventor: Sadatomo uribayashi, Noriyuki Sasaki, Hiroshi Itazawa, Nobuhiro Asami
・ October 2014 New steering modes. Crabbing and Rough Sea modes were proposed by prof. Sasaki (Newcastle University)
