Tag Archives: sun helmet

The Evolution of the Japanese Imperial Army Sun Helmet: Part III -1930-39

This is a special study of Japanese tropical helmets by Nick Komiya, and is presented in four parts.

1930 May, Launch of the Second Model Sun Helmet Showa 5 Type (昭五式)

showa5type

7 years after the introduction of the IJA’s first sun helmet, a revamp of design was signed off by Emperor Hirohito on 14th May 1930. A whole new range of items got launched at the same time like new canteens, back packs, bread bags and the army jacket now got a vertical seam in the back to rationalize production efficiency.

The external appearance of the sun helmet did not change hugely, but instead of having a third vent grommet on each side, a top vent with cover was revived. Continue reading

The Evolution of the Japanese Imperial Army Sun Helmet: Part II – 1921-30

This is a special study of Japanese tropical helmets by Nick Komiya, and is presented in four parts.

partii

1921 Sun helmet Prototype testing

300 Sun Helmet Prototypes were produced for the test, of which 100 had “felt shells”, 150 had “woven Panama hat shells” and 50 had “Gourd Sponge shells (also tested in helmet covers later in 1934)”. These were benchmarked against the standard army visor cap and also against the captured German Sun Helmet. Continue reading