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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Hamish Swain (QLD) has been selected to compete for the country in the RS:X Boys division. www.sailingyouth.org.au/news/16355/

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Jokin kilpailu oli aikoinaan johon väsättiin mainospätkä. Pääasia että hauskaa oli. Katso myös making off "Looraa" http://www.youtube.com/watch?v=mQ3YqCzM9wU

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Want to support the podcast? http://patreon.com/SaltyAbandon Sailing in my own backyard along the beach in Orange Beach and Gulf Shores with my friend Tammie. We had a North wind and calm seas with 11-15 kt winds. Awesome conditions. No motoring necessary! #saltyabandon #islandpacket27 #sailing #singlehandedsailing #solosailing #orangebeach #gulfshores #noshoesnation

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Motorboat - Både sælges, Nimbus 2600, 1987 DKK 230.000 Scanboat https://www.scanboat.com/en/boat-market/boats/motorboat-nimbus-2600-17515671

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