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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!!

donotpushhere

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Sailingwithsix

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Searay Sundancer https://www.scanboat.com/en/17408887

scanboat24

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It has never been easier to plan sea trips. You can get amazing ranges with the Dracan Marine 42: With regular 1000-liter fuel tanks, it can go 258 nautical miles; with optional, expanded 1500-liter fuel tanks, it can travel 387 nautical miles. 💨 It's the ideal option for both quick trips and prolonged expeditions that call for a trustworthy ship. Where will you go on your ideal journey? 🌴 Visit our website to find out more about the Dracan Marine 42's capabilities, or get in touch with us personally to arrange a customized display at Boot Düsseldorf. #Dracan #DracanMarine #MasterYachting #PowerCatamaran #OutboardEngines #YachtingWorld #MasterYachtingGroup #Dracan42 #bootdüsseldorf

masteryachting

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Desde el aire se aprecia la experiencia de navegar en velero tipo crucero en Guatavita. Es un recorrido familiar donde se comparte de lindos paisajes y se disfruta de esta bonita experiencia. Reserva tu paseo en velero con BARLOVENTO acá: https://barloventopaseosenvelero.com/

barlovento_velero

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rebuildingomala

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