Helicopter Engines

First to introduce a mass-produced 4-stroke engine, an innovator in every phase of R/C engine production, O.S. also retains a tradition of craftsmanship that pays off in durability and power. Each new engine is the product of over two years of testing and design™and more than two generations of R/C engine experience.                                                                                          


Thunder Tiger’s dedication to offering quality and innovative products to its customers and a forward-looking approach to challenging ourselves have made the Group a market-leader in the RC sector and beyond.


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