Naval Arsenal developed projects such as the Ne-20, Ne-30 turbojets, etc. As well as the “Shusui” aircraft (Me-163) that Mitsubishi would build, and its RO-2 rocket engine.

-The Naval Technical Arsenal in Kugisho, near Yokosuka also made the Maru-Ka 10 pulsejet which was based on the German Argus 109-014, the V-1 flying bomb.

-Kugisho in Yokosuka was renamed Dai-Ichi-Kaigu-Koku Guijitshu or (1st Naval Technical Arsenal).

“Shusui and RO-2”

-The RO-2 ran on Otsu and Ko-type fuels. It was a copy of the German Walter (see).

“J8M1 Shusui, exploded view”

From Appendix 6: This company sometimes is mentioned as Naval Air Technical Arsenal, it always depends on the translation of the moment.

-The Ne-20 engine was designed and built at this Kugisho base. As we know, they were made from German BMW-003 plans, although it was a reduction in size and power (3/4).

-Another Ne-20 engine has been photographed at the NASM.

Requisitioned in WWII, it was made for the Nakajima Kikka (Japanese version of the Me-262) and according to the description given by the Museum, the project was made urgently to recover the loss of air superiority after the Battle of the Marianas in 1944.

“The Kugisho Ne-20”

-The products that emerged from this base in Kugisho (in Yokosuka) was also known by that name (see).

-The first flight of the Kikka was made in August 1945, eight days before the surrender to the Americans.

-The design of the engine was due to Captain Tokiyasu Tanegashima. The engine gave a thrust of 1,047 lbf at 11,000 rpm.