OS Speed 91 HZ-R Nitro Helicopter Engine Unboxing! 

Hey hey! I wanted to do an unboxing video of my fresh OS Engines, speed 91 HZ-R Heli engine! Pumped to get this thing broken in and start pushing it through its paces. I’ll be sure to make a comparison video on my thoughts of this vs the OS 105 soon!
Be sure to check out HeliDirect for these OS 91’s! Currently at the time of this video, they are running a 31% sale on this engine. Can never go wrong with a fresh OS mill!
Engine on HeliDirect: www.helidirect...
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Thank you for watching, and I appreciate the continued support! See everyone on the next one.
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Thanks to those that support my flying program:
SAB Heli Division
HeliDirect
Torq Servos
Pulse Batteries