Great PROPELLER Helicopter Engines Cold Starting up Take off and Sound

This video features Great PROPELLER Helicopter Engines Cold Starting up Take off and Sound. If you wanna see some crazy propeller helicopter engines start up and sound watch this video and if you like the video hit the like button and SUBSCRIBE.
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This video is fair use under U.S. copyright law because it is transformative in nature, uses no more of the original than necessary and has no negative effect on the market for the original work.

[@yannickl5976]

The voice-over seems to cold start well but for all these engines on the video. ..I don't know. I can't hear them.

[@mattchip]

You know, I'd really rather listen to the sound of the engine starting. I can read the narration.