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Korte broek Opprett

Sailing around the remote Indonesian island of Sulawesi, we rely on satellite imagery to find stunning, safe anchorages. In this episode we do just that with our buddy boaters at an amazing beach where the dense, tropical jungle cascades down the mountainous coast to meet powder white sand, fringed by vivid corals in crystal clear water. For ocean travellers like us, Indonesia is certainly a nation of wonders.

No retorno da praia de Fortalezinha, Ilha de Algodoal-PA, na terça, dia 29/06/21, encontramos e nos juntamos à romaria em homenagem a São Pedro, padroeiro da região; levantamos as velas do Alpina em homenagem ao padroeiro, dando mais brilho à romaria. A bordo o comandante Walber Remédios e tripulação (Hailton, Damião e Jarede).

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!!