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Project Notes

#712 IJA Type 89 I-Go Otsu Medium Tank

Building the IBG Models 1:72 representation of the IJA Type 89 I-Go Otsu Medium Tank. No electronics in this one.



The Type 89 I-Gō medium tank (八九式中戦車 イ号) was a medium tank used by the Imperial Japanese Army from 1932 to 1942 in combat operations of the Second Sino-Japanese War, at Khalkhin Gol against the Soviet Union, and in the Second World War.

The Type 89B model was the world’s first mass-produced diesel engine tank. With a short-barrel 57 mm cannon, it proved effective in early campaigns but lacked the armor or armament of 1940s generation Allied armor; it was regarded as obsolete by the time of the 1939 battles of Khalkhin Gol, against the Soviet Union.


Paint Scheme

I’ve used kit scheme 1: IJN Land Forces unit 1941

Feature Color Recommended Paint Used
A n/a IJA Grass Green XF-13, 70.894 (H60, 70.891) n/a
B n/a IJN Earth Brown XF-64, 70.984 (H47) n/a
C n/a IJA Dry Grass XF-60, 70.879  
D camo IJA Khaki XF-49, 70.921 H81
E tracks Gunmetal X-10, 70.863 H18
F exhaust Rust XF-9, 70.940 H7

Build Log

build01a build01b build01c build01d build01e build02a build02b build02c

A simple base to show it off, with another figure from an Airfix WWII Japanese Infantry set.

build03a build03b build03c build03d build03e build03f

Credits and References

Project Source on GitHub Project Gallery Return to the LEAP Catalog

This page is a web-friendly rendering of my project notes shared in the LEAP GitHub repository.

LEAP is just my personal collection of projects. Two main themes have emerged in recent years, sometimes combined:

  • electronics - usually involving an Arduino or other microprocessor in one way or another. Some are full-blown projects, while many are trivial breadboard experiments, intended to learn and explore something interesting
  • scale modelling - I caught the bug after deciding to build a Harrier during covid to demonstrate an electronic jet engine simulation. Let the fun begin..
To be honest, I haven't quite figured out if these two interests belong in the same GitHub repo or not. But for now - they are all here!

Projects are often inspired by things found wild on the net, or ideas from the many great electronics and scale modelling podcasts and YouTube channels. Feel free to borrow liberally, and if you spot any issues do let me know (or send a PR!). See the individual projects for credits where due.