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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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Link til salgsliste - scanboat.com/url/Sejlbaade Sælgere og købere mødes på Både sælges. Der er mulighed for at søge blandt sejlbåde, motorbåde etc. fra hele Europa. Når du har lavet dine søgninger og er logget ind, har du mulighed for at gemme din søgning og oprette en annonceagent. Så bliver du automatisk informeret når din drømmebåd kommer til salg på scanboat. Husk også at tjekke Bytte båd - det kunne også være vejen til din næste båd. God jagt på drømmebåden.

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When the golden sky meets the river… 🌅⛵ A small sailboat launches into the water at sunset — a perfect moment of peace, reflections, and sailing dreams. #SailingLife #BoatLaunch #SunsetMagic #RiverVibes #MarinaMoments #GoldenHour #OceanAdventure #SailboatLove #DocksideLife #CinematicView

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Had the best week with @beachbumblaine over Spring Break in the British Virgin Islands on our new Intro to Sailing Course. We will be announcing another course for summer soon 🔥 Sign up using the link in the comments to make sure you don't miss out!

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