Quick test of a tiny QEV cannon firing air at 12atm, viewed through a Schlieren setup (no razor blade). Unedited at 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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We're taking shots at The North with our buddy! 🥃 Watch as we celebrate and try to keep it all together. Will we finish the whole thing or is it just too much? Cheers to good friends and great times! 🍻 Don’t forget to like, subscribe, and hit the bell for more adventures! ​Check out more of our adventures: Website: https://www.chrisdoeswhat.com YouTube Channel: https://www.youtube.com/chrisdoeswhat Patreon: https://www.patreon.com/Chris_does_what Instagram: https://www.instagram.com/chrisdoeswhat/ Facebook: https://www.facebook.com/ChrisDoesWhat/ X (formerly Twitter): https://x.com/chrisdoeswhat TikTok: https://www.tiktok.com/@chrisdoeswhat Amazon Affiliate: https://amzn.to/351krTR ​ ​#ShotsAtTheNorth #Cheers #FunTimes #ShotChallenge #ChrisDoesWhat #Adventure #DrinkingGames #GoodVibes #Friends #YouTubeShorts

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@BeauAndBrandy ready for round two?! Back to BOAT LIFE IN 16 DAYS!!!! #shortsvideo #shorts

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Ever thought of rising above the waves silently while going faster than most gas-boats? Rate this watercraft from 1-5 stars and comment below! Candela Seven © Candela Speed Boat Length: 25 ft 2 in (7.7 m) Beam: 7 ft 10 in (2.4 m) Draft: ~2 ft 1 in (0.4 m) when foils down, ~4 ft 3 in (1.3 m) at speed Displacement: approx. 1,300 kg (2,866 lb) Motor / Power: 55 kW electric motor Top Speed: ~30 knots Cruising Speed: ~22 knots (range 50 nautical miles) Battery: 40 kWh Price: approx. €265,000 Could this be the future of effortless boating—gone are the roar of engines and wake, replaced by foil-borne floating? The Candela Seven uses hydrofoils to lift the hull above water, cutting drag by up to 80%. Carbon fibre build, sensor-driven flight controls, and retrievable foils make it efficient and practical. With near-silent running, fast acceleration, and longer range than most electric boats, it delivers an entirely new boating experience. #CandelaSeven #ElectricFoiler #SilentSpeed #HarbourMasters

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Du wachst auf und alles fühlt sich feucht an – Matratze, Schapps, Klamotten. 🤢 Oft ist nicht ein Leck, sondern Kondenswasser der Übeltäter, besonders im Herbst und Winter. Welche Stellen du zuerst checken solltest und wie du das Problem einordnest, zeige ich im Hauptvideo. #feuchtigkeit #liveaboard #hafenkinotechnik

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