O.S. engines was formed in 1936, by Ogawa Shigeo, a skilled machinist, in Japan. The first
engine produced was a 1.6 cc gasoline model airplane engine, the "Type 1" and
200 were manufactured.
It came about as the result of a suggestion by and American buyer, Mr. Paul
Houghton and it was exported under the name of "Pixie"
After WW2, production of the now famous "MAX" series of engines was started and
soon the whole world of model aircraft engines was aware of OS.
Today OS engines is the premier manufacturer of model airplane engines and
sets the standard for the rest of the world. It's products have a reputation for
first class manufacturing, with long life, high performance and excellent after
sales service around the world.
The Wankel rotary engine is still in production today and is the only example of
a mass produced rotary, in the world.
Produced with the cooperation of Graupner, it is a smooth running and powerful
Here we have the OS FS 60. The world's first production 4-stroke model
Many companies are now in the 4-stroke business, but OS were the first!
4-strokes are noted for their quieter and more realistic exhaust noise and low
The first multi- cylinder 4-stroke was the FT 120. This 20 cc unit was the first
OS multi-cylinder and the range has now grown to larger displacement motors and
a 5-cylinder radial.
These RC airplane engines are ideal for large scale airplanes and are very
Today OS has an extensive range of model aircraft engines, as well as engines
expressly for RC helicopters, cars andboats.
All of them are of first class design and construction and the latest
technologies are used. OS engines are not the least expensive but they do give a
long life and are sure to satisfy the most critical user.
Personally I have used many of these engines and still do today! I especially
love the 4-strokes and the FT 160 twin and the FS 120S are particular favorites.
One tip I will pass on now is that I use the OS F-type plug, in all of my
engines, both 2-stroke and 4-stroke. This plug is expensive but very dependable
and I just fit and forget about any plug problems!
The O.S. FT-160 Gemini Twin.
This beautiful looking OS engine is described in full detail, with set-up and
running tips, as well as a set of 3-view drawings.
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