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Kratke hlače Stvoriti
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'Tuesday of Ore', Trans Atlantic single hander David 'Doc' Foreman & his Rival 41 leaving their mooring 17th August 2015 Orford. More gentle sailing after the long voyages they made together.
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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!!
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Check this one from a private seller - www.scanboat.com/17407658
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When the spinnaker fills with wind—that’s when the real magic of sailing begins. Races where every second counts and teamwork makes all the difference. @marcushglander #spinnakermagazine #spinnakerbureau #sailing #spinnaker #yachtracing
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