I can't really think of a reason why the piston returns to the original position!! any ideas?? I made a transparent QEV coaxial cannon out of the preform of a bottle. This was inspired by a Nighthawkinlight's project, although I added a transparent barrel and had to make everything work with a wooden piston and o-ring seal. The breech seal is just a piece of rubber from the inner tube of a bike tire. Thanks for watching!

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Hybrid By Nature Improved fuel economy Unrivalled driving pleasure For more information, visit: https://www.renault.ie/hybrids-cars/a...

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QP cleans the dinghy bottom in beautiful Samana bay #boating #boatlife #boat #boats #dinghy #sailing #sailboat #sailboatlife #sailboatliving #sail #sailor #sailors #liveaboard #cruiser #cruisers #diy #diyboat #diyprojects #asian #chinese #beauty #beautiful #beautifulgirl #beautifull #gorgeous

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SKIPPER LARGE POWER COURSE (4.9/5 ⭐️⭐️⭐️⭐️⭐️) : https://www.nauticed.org/powerboating-courses/view/skipper-large-power-boat One of the easiest docking of course is when there is now wind present. We like to use this method with a bow springline. You can use this method for sailboats as well. Take the NauticEd Skipper Large Powerboat online course at https://www.nauticed.org/powerboating-courses/view/skipper-large-power-boat #powerboat #powerboating #boating #boats #education

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