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Quick test of a tiny QEV cannon firing air at 12atm, viewed through a Schlieren setup (no razor blade). Edited from to 1/4th normal speed. 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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sailingintooblivion

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¡Vive un verano único con Marmitako Sailing! 🌊⛵️ Embárcate en una experiencia inolvidable a bordo, disfrutando de la mejor gastronomía local mientras navegas por paisajes espectaculares. Relájate, degusta un delicioso plato y otras delicias regionales, todo con vistas a nuestro litoral. ¡Reserva tu plaza y haz de este verano una aventura con sabor! 🌅🍴

marmitakosailing3350

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📍 Chatham Bay, Union Island #dailyshorts

Flandersfamilytoday

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Curious about how easy it is to tow your Weta Trimaran? Check out this quick demonstration of our custom trailer designed to make loading and transporting your trailer simple and hassle-free.

westcoastsailing

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Bavaria Cruiser 37, 41 e 46, tre modelli perfetti per la crociera comoda

giornaledellavela

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