Sunday, September 19, 2021
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Tag Archives: OS

O.S. 105HZ Heli Engine

Review: O.S. 105HZ Heli Engine

Crazy Power with a 60-90-Size Footprint In 2011, O.S. introduced two new high-performance engines, the O.S. 91 Speed and O.S. 105HZ. The O.S. 91 Speed is available in 3D or F3C versions and they are very high-performance competition engines. The …

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Merchandise Certificate with OS Brushless Motors

For a limited time (through December 31, 2013) consumers will receive a merchandise certificate worth up to $10.00 with purchase of an O.S. Brushless Motor. O.S. is famous for their quality and performance – so now is the perfect time …

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