APC Sport Series props offer high efficiency and great value for your models. These props are primarily designed for use on glow engines, but they also work well on electric models in High-RPM applications. The center hole of the prop is 1/4" on the the front side, and steps up to 5/16" on the back side. The hole can be enlarged as needed with a prop reamer to fit larger shafts.
According to the widely accepted Maximum RPM formula of 190,000/D for APC Sport props, the 10x6 prop should not be used over 19,000 RPM.
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