October 1, 2023

New O.S engines announced at Toledo show

Foto: RC Universe
O.S engines continues to innovate rather than duplicate, as is so popular with engine makers these days. Another good reason to fly O.S!

Fresh reports from the Toledo model show are posted at RC universe and I’m pleased to see an all-new O.S .75 AX two stroke which should bring great joy to all those underpowered .60 size planes that think a .90 is too much!

Even more spectacular is the fact that the four-stroke lineup known as Surpass will gradually be replaced by the “FSa”: The “a” stands for “Alpha”, of which the .56 is the first.

Read the full Toledo coverage at RC Universe and look to OS engines homepage for detailed specs on the FSa-56.

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