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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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Muchos padres dudan, pero en la vela está la clave: autonomía, respeto, trabajo en equipo y diversión real. Ver a tu hijo al timón es ver cómo crece desde dentro. Dale la oportunidad de descubrirlo. En Go Sailing Shop te ayudamos a que sea posible. #VelaInfantil #GoSailingShop #AventuraNáutica
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iFLY15 hydrofoil catamaran foiling stable even in extreme conditions. Dramatic pictures when strong wind front was coming over the regatta field of 50ème Grand Prix de L'Armistice Bordeaux, Carcans-Maubuisson. Catamaran sailing on the limit, and beyond. For many catamaran sailors it was capsizing day… For some seconds, when the first strong gusts came in, it was actually pritty scary, with 90% of the fleet capsizing within seconds. People screeming, quite some material braking...all running away from the storm. (The audio of the video is life recorded by my action cam, by the way...) I was able to fly my iFLY stable even in these extreme conditions. High speed foiling above the waves, in some really strong wind with heavy gusts. Speed was insane! And I was bearing away until wind was close to from behind (while apparent wind was still like upwind). Some exciting foiling under extreme conditions, made possible by advanced technology. „ We love SPEED while keeping CONTROL " ____________________ https://iFLYsail.com #iFLY15 #FoilingCatamaran #CatamaranVolant #WeLoveSpeed #WhileKeepingControl #HydrofoilSailing #CatamaranCapsize
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