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!!

0

0

0

24

Tumbas El Alamein #shorts

0

0

0

1,629

0

0

0

0

7,286

0

0

0

0

3,279

Follow World Sailing 🌍⛵️ on: Facebook ➡️ www.facebook.com/worldsailingofficial Instagram ➡️ www.instagram.com/worldsailingofficial Twitter ➡️ www.twitter.com/worldsailing Website ➡️ www.sailing.org

0

0

0

1,965

Thanks for watching! Please subscribe and leave a comment ⛵️ To support our work ❤️ https://www.patreon.com/sailingrubyrose Our videos are free for everyone to watch, and always will be. However, we have an amazing community of Patrons who, for the cost of a cup of coffee a month, receive all sorts of benefits and perks. This support allows us to continue bringing our stories to you, so a HUGE thanks to our wonderful Patrons 😊 Click the link above to find out more. SOCIAL MEDIA http://www.instagram.com/sailingrubyrose http://www.facebook.com/sailingrubyrose https://www.tiktok.com/@sailingrubyrose MUSIC Epidemic Sound Artlist Hey there! We're Nick and Terysa and we’ve become completely obsessed with the idea of sailing around the world and sharing our experiences and information through our sailing lifestyle videos with others. We met travelling around India, and quickly agreed that rather than “settling down” and doing what most normal people do, we wanted to travel and have adventures! We moved onto our 38 foot monohull in 2014, sailed across the Atlantic twice, cruised the Caribbean, Bahamas and Europe, before buying a brand new 45 ft catamaran! We hope you enjoy what we do. Please subscribe, like and share.

0

0

0

9,861