Sailing along the West Shore of Door County, Wisconsin aboard a Beneteau First 40.7. Thanks for watching! PURA VIDA! Bill and Gail #sailingpassion #sailing #sailingfamily #greatlakessailing #sailingdoorcounty #doorcounty #beneteau #sailingday #sailingadventures #sailboatlife #sailinglife #sailinglifestyle #sailingvideo #sailingvideos #sailingchannel #sailingday #sailinggreenbay #boomerangsailing #boatlife #beneteau #Beneteau First 40.7 #marinas #sailday # #sailboatlife #sailingadventures #wavepointemarina #boating #northsails #boatinghd #boating #boatingadventures #boatmaintenance #crazy #crazyfacts #goonies #sailboat #boatinglake #boatingcommunity #sailingvessel

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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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This lovely modern-built schooner is Naema, which is based on the Alfred Mylne design Panda and was built in Turkey and launched in 2012. This footage shows her racing in Palma Bay in 2016

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il nodo bandiera serve ad unire due cime di diametro differente.

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