Quick test of a tiny QEV cannon firing air at 12atm, viewed through a Schlieren setup (no razor blade). 1/8th speed (15fps) and improved video performance because somehow Youtube cropped the last frames of the other videos (?) I didn't quite understood the need for a razor blade but without one I still see the flow of air. For me, the razor blade just makes the dot of light smaller(?) If anyone can clarify me what the razor blade really does and where it should be placed (in the source of light or in the camera) I'd really appreciate. Also important to note that this is AWESOME to look with the naked eye but almost the dimmest light can blind you. I covered a tiny LED torch with aluminum foil and punctured a hole with a sewing needle, on the side! so that the LED doesn't bright directly through the hole. Take care with the eyes!!

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Join us as we dive into the world of stern drives on Targa boats with insights from a Volvo Penta technician, Bruce Woodfin. In this video, we explore the technology behind stern drives, discuss their advantages for boaters with EVC, Joystick Driving & Docking, Dynamic positioning, and shed light on some common concerns. More Targa Videos https://www.youtube.com/playlist?list=PLjwz5C8Vz08mHP65199vttd2qsmw2mat4 Come See the Targa 41 at the 2025 Palm Beach International Boat Show: 📌 West Palm Beach, FL March 19 – March 23 Location: Dock B

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Storebro Royal Cruiser 34 https://www.scanboat.com/en/17430518

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