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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!!
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Different Sailing organizza corsi in cui vengono insegnate le principali attività dello skipper, tra cui ormeggi, ancoraggi, pilotaggio e altro ancora. In questo video potrete vedere i momenti più salienti dei nostri weekend in barca a vela, in cui vengono insegnate le nozioni essenziali per diventare uno skipper professionista!
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Guest Services at City Hall in the Magic Kingdom. Lost and found, or buttons, or assistance they are there for you.
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FREE GIFT to you, CLICK HERE: https://bit.ly/3uSmHhI Subscribe to our YouTube Channel at https://bit.ly/3ta7Hv6 The Challenges of Sailing in Strong Winds and Rough Seas Recommended Books: https://amzn.to/3wcvlbz 'Heavy Weather Sailing' by Peter Bruce https://amzn.to/3uHXGpE 'Storm Tactics Handbook' by Lin and Larry Pardey In full transparency, please note that the links in this video description may be affiliate links, which means I may earn a commission if you make a purchase through these links. You don't pay more when using these links, and any earnings help to support this channel. I only recommend products or services I believe will add value to my audience. I am disclosing this in accordance with the Federal Trade Commission's 16 CFR, Part 255: "Guides Concerning the Use of Endorsements and Testimonials in Advertising." Thank you for your trust and support!
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