Flying a Plane Powered by AIR

Flying a Plane Powered by AIR

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38 Responses

  1. Tom Stanton says:

    Your browser is holding you back. Level up with Opera here:

  2. NightHawkInLight says:

    Hey a tip for your air storage: people that build water rockets have perfected splicing plastic bottles together for high pressure use. The channel US Water Rockets has some good videos about bottle splicing. You could save some weight and make larger chambers fairly easily.

    • ShermanTank says:

      Good to see you here!

    • Mirage says:

      I love it when cool engineering YouTubers watch each other’s videos!

    • Thomas X3 says:

      Yeah I remember gluing 1.5L bottles together to make a 4.5L water rocket 12 years ago. 120psi is quite the limit though

    • Austin McNeal says:

      Check out KegLand Oxebar Mono PET Keg – a 10 liter plastic keg. I don’t know if it can handle 120 psi, but worth experimenting with.

    • turrboenvy says:

      That sounds like a good idea if it can take the pressure. There’s a lot of weight in the bottom of the bottles and fasteners. Also, here in the US we have 3-liter soda bottles. Fuse a couple of those together and you’ve got 50% more capacity in probably less weight.

  3. Integza says:

    That’s just amazing Tom !

  4. Pigeon Pigeon says:

    Id love to see if you could somehow use the wings as extra air tanks

    • Brandon L says:

      I was thinking the same thing. Maybe there is some lightweight tubing that he could route through the holes… as long as it could hold pressure.

    • Zaros says:

      You probably need as round a shape as possible to maximize volume per unit surface area, since the surface needs to be strong and therefore heavy

    • gracefool says:

      ​@Brandon Ltubing would be heavy, very high surface area per volume.

  5. ElectroBOOM says:

    Dang! Love the perseverance and quality!

  6. M Greenesco says:

    Love it. You could probably reduce drag significantly if you make a small fairing to cover the gap between the wing roots and allow the air to flow around the centre piece.

  7. Bri A says:

    Two tips. 1) I have been recycling PET diet coke bottles into printer filament for some time. My first step is to smooth out the iconic shape by pressurizing it to 70psi with a little water and heating it slowly in an oven. I’ve successfully shrunk, elongated in a form, and reformed the bottoms into a smooth dome. You may want to consider doing the same, giving you more volume at the same weight. Coca Cola published that their 2 liter bottles are rated for 150 psi, so if you only need 70 some experimentation might be warranted. I would love to see what you come up with. 2) Secondly, you could replace the tail rod with a pressurized fluorescent tube protector and make the plane a flying air tank. The water rocket people use them as pressure tanks as well, so there is a lot of data and technique to start with!

  8. Nerdforge says:

    Thats an amazing flight! Well done!

  9. Jos Tromp says:

    So glad to see the accumulation of your research unfold into this marvelous flying machine! Great work!

  10. Alfred Petersbourg says:

    To pressurise the entire wing or to put helium in the wings might be worth a try, molding a “winglike plastic bottle” sort of. Maibe the “winglike plastic bottles” could be bigger and actually replace the bottles. Quite a job to test the weight/power ratio, but with 2 meters wingspan its a decent amount of volume that might be worth testing anyway. Nice work btw its really cool

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