Pneumatic coaxial piston air cannon teaser

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Made out of a bicicle pump! The idea is to use the one way valve that every bicicle pump has on its piston, to improve the performance of the gun, instead of using loose pistons as usually. I know the difference may not be crucial but it's for the sake of well-design. The piston is too heavy but seems to prove the theory. At only 75psi it shoots a 0,2g 6mm plastic bb through a steel (yes, steel. This is Europe) coke can. Filled with water it pierces the can and leaves a mark on the other wall. Air leak detected, soon to be fixed. UPDATE 20150719 Air leak was fixed with teflon tape. Cannon was intended to be tested to 10bar / 145psi. At 8bar / 116psi the back bursted off the main body, propelling it against a wall, with the cannon hitting at a great speed. Result is a bent cannon. Speed doesn't seem to have decreased but precision has been seriously affected. Plans for now are to test the energy at 75psi (like this teaser shows), then cut the cannon to the unbent part (which is about half the lenght), glue the back permanently and test energy again at 75psi to see the relationship between cannon lenglt and muzzle energy. Afterwards, with the back end fully glued, repeat tests at 116psi / 8bar and hopefully get the same energy as full-lenght-cannon @ 75psi. If not, test pressure until total burst, or the desired energy achieved. Advise is greatly appreciated. Thanks for watching! A FewFriendsFace production Likeyright FFF2015 All likes reserved

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There are two types of teams when it comes to the final month leading into the launch of the official race boat. Those who like a period of peace and quiet in preparation for the next big push. And those who just keep sending it in their AC40s. #AC37Recon #Shorts SUBSCRIBE to the official America's Cup channel: https://www.youtube.com/c/americascup Like America’s Cup On Facebook: https://www.facebook.com/americascup Follow America’s Cup On Twitter: https://www.twitter.com/americascup Follow America’s Cup On Instagram: https://www.instagram.com/americascup Stay up to date with the America’s Cup newsletter: https://www.americascup.com/en/newsletter The 37th America's Cup will be Defended in Barcelona by four-time America's Cup winner, the Royal New Zealand Yacht Squadron represented by their team, Emirates Team New Zealand. #AmericasCup #AC37 #Barcelona2024

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Today Cass and Shelly @sailingeriskay had an amazing experience…this is the sneak peek of more to come in next weeks video. Russian Banja or Russian Sauna experience is all about shocking the system between hot sauna and cold rinses. The cold rinse can vary from a shower, bucket dump, ice lake dip, ice cold pool etc. This process is great for cleansing the system, refreshing your body and invigorate the circulatory system. It can leave you feeling tingly, euphoric, fresh, relaxed and renewed. We continued this cycle in various forms for 4 hours. Hot cold hot cold.