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Feenseeschwalbe Duo Bird Island

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Demonstration av Ålands Sjöräddningssällskaps Rescue Runner, Rescue Alandia, som införskaffats tillsammans med Alandia bolagen, Bilcenter och Bygg och Båtvaruhuset

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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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While heading down the coast, we were taken by surprise by calls on the VHF regarding a Prohibited Zone around Cape Canaveral. Apparently, we were scheduled to hit Cape Canaveral right at the same time they closed down the zones for transit. What!? What were the zones? Where were the zones? Were we in one!? We ultimately determined, using Starlink!!!, where the zones were and that ultimately we were fine...but, this was after we turned around 180º and added another 2-hours to our trip south. Oh Well.

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