Please, please apply the same style of design to your ionic air thruster... you will be amazed at the results... the leading edge radius has a huge effect on airfoil efficiency and hence resulting airflow drag...

Hope i dont sound too stupid im only a mechanic but could you get get usuable amount of extra air velocity from a smoother material for the thruster. Im sure you're only using 3d printed material for it being cost effective and quick but im just curious how much of a difference the actual surface of the thruster makes :P if someone has the time to humor me 😁

Remember you need 7 to 8 mps of airflow to lift a person if you put 2 of these together you will have an ionic jetpack

Wouldn't an octagon or hexagon be better than a triangle and allows that space to bananna proof it.

nerd

I honestly think if you close up the side ventilation and make alternative inlets it would force more air intake via suction

If you cut out reliefs in the side of the large metal pipe, you could theoretically reduce material cost, weight and all at once increase the effective flow rate using slots/holes to maximize the entrainment of the surrounding fluid. Make the slots venturi-shaped, narrower at the entrance and widening outward, to facilitate the pressure-driven entrainment of additional fluid into the flow path through the turbine.

Can you compare it with a common electric thruster?

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10:27 Should you add a cone inside and a nozzle?

Has anyone made "Hunt for Red October" references yet?

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In Clice Cussler’s books the NUMA ship was powered by this propulsion concept.

You should try together six or 24 into one and point all the thrusters in mid pointing direction if you have the materials, of course it would be fun to know if that will improve your work. It’s straight triangles easy to connect more.😁

is there somewhere i can download/buy the print files?

I've accidentally "shot" myself with a capacitor before. Left a bruise for weeks

People in the past used free energy and it’s pretty darn clear if you closely observe the buildings of the 1400-1600s and their numerous antennas at the top. I wouldn’t be surprised if the energy cartel is still generating free energy using buildings such as Burj Khalifa.

Some Physics here is helpful. You want to optimize for the most thrust for the least power. You get thrust by accelerating air backwards. The momentum of the air moving backwards is m*v; the kinetic energy of the air moving backwards is 1/2mv^2. You want the most momentum for the least kinetic energy. Maximizing mv / (1/2 mv^2) you get 2/v. In other words, your efficiency drops the faster you move the air. However, there's also a few other considerations here! For one, you seldom will use a thruster like this while truly stationary. And if you're moving forward at 10km/h and your thruster moves air back at 5km/h... you aren't actually making any thrust. When you work out the optimum, it works out to "you want to move air back at 2x the velocity you are moving forward". This is why props work well at low speeds, then turboprops, then high-bypass turbofans, then low-bypass turbofans, then classic jets, then ramjets, then scramjets, then eventually rockets as you increase speed. It's "all" about the exhaust velocity. (Well, not entirely. But largely.) However, this then gets into the second consideration: if you want to move air back slowly, you need to move a _lot_ of air slowly. And you can only fit so much through a given, say, 10x4cm hole. Especially if the air is moving slowly. I suspect if you wanted to maximize thrust at low speeds you could do better by optimizing to improve the amount of entrainment air. Look at e.g. bladeless fans for inspiration.

I need one so bad

This is like your 3rd Iron Man movie, where you re-discovered the missing bit and swapped designs for a triangle shape. Excited to see where Mark 4 will end up!

I need this for my penis acne

Aren't you wasting energy electrolizing saltwater?

Progressive convergence. Each stage is creating disturbance as it 'adds' more air. Set the convergence angles so the air point of convergence has a combined pinpoint (at the end) Also, circles.

People commenting on better help ad, he may have had the contract for this sponsoring video before anything has been proven so stop hating on him for it

What kind of battery did you use?

Er, most 'party stores' including Walmart no longer carry Helium cylinders, due to increasing price and scarcity.

I know you don't want any moving parts, but if you take the force from your thrusters (even the thrusters on a propeller that make it rotate) and try to create something like a jet engine by multiplying the rotational force and adding, maybe the force will be multiplied.

What if you did internal and external at the same time to keep the inside air flowing?

👌

No, that's just a straight lie. Ironic thrust doesn't even work in space, at all, it needs moving air. I am no longer interested in this channel, you are focusing too much on a useless hobby and now just telling straight lies to make it seem more interesting. I'm sorry, but ionic thrust is not the future, there are already better ways.

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Go spiral, not linear.

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I don't know why, but it looks like something I can peal my potatoes with. :P

Instead of focusing on the speed/volume of air moved, try to optimize the pressure of the output. Even if you are able to get a really high volume of output, its scalability is limited by the pressure of the output, think of it as a Newtonian problem. Once the pressure in the central column of air has reached the max of the individual model, adding more will provide no extra performance gain. The flow rates don’t exactly add up.

maybe try using the ionic thruster to turn a propeler not to produce forward thrust

7:16 - Don't think I didn't see that you nicked yourself on your own thruster :P Gotta be more careful, razors are sharp! lol Jokes aside, these thruster designs are super cool. Hopefully your constructive interference idea will _spark_ some ideas in other folks to _push_ things forward :D

I do larp nice to know he knows

about the sequential design providing diminishing returns +50% +25% in speed but ifbyou think in terms of energy you have +130% and + 48% energy (for +100% and +50% power input). or +244% energy for +200% power input overall. it would be interesting to measure thrust too. I think rhe issue with sequential design is the closer you are going to accelerate an aircraft the output velocity, the less efficient the multiple stages are going to become and its the reason why propellers on planes are never used sequentially but in parallel

It seems like the introduction of the second stage is going to create some destructive interference and lose velocity due to the column of air not being as laminar as it could be to reduce drag and increase velocity. Have you tried another shape and pitch them each slightly in staggered pattern to induce a spin on the exhaust side? Hexagon might be the bet. My thought was a few degrees more forward on one side should create some swirl and offsetting the stages would help increase the swirl while being able to help stabilize the air column.

As an aside, why do i see trioptimum logo... sorry

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They require tons of energy. So how is that gonna work..lol. you cant only use nuclear power on ships to use ur low efficiency thrusters. Dont blow smoke. I have a propulsion engineering degree....this can't produce enough thrust for the weight. The voltage required is massive 😂 so youre wasting tons of energy for a novel idea at this point.

Great build. Why did you go with triangular form rather than circular? You can build the same linear thrusters but bend them around into a circle the same diameter as your triangle. Then perhaps make each stage consecutively smaller to compress the flow a bit

...hear me out

Hey, this might be controversial but im gonna ask about it. you know the plane SR-71 they made it to fly super high where air is so thin that it was near impossible to fly. !!! so they made its turbine with a piece of pinty metal to reduce the intake area so air is compressed more!!! it is worth a shot i guess.:)

The final stage that’s outputting the fastest velocity is fed by slower earlier stages, similar to a gas turbine compressor. So the earlier stages need to gather more air to not restrict the final stage(make them bigger like a jet with a large fan disc that graduates down to the smallest row of blades) With trial and error, figure what end velocity is then figure cfm’s, and expand back to the first stage and you’ll get the flare rate needed and then put the stages together in a sealed path not letting outside air in. I think you’ll figure out, at that point, how to bias the earlier gathering stages to help boost whatever is possible for the final stage, or stages.(it might look like a trombone horn, but hey?) This is the same mechanics as stacking three same sized ducted fans in a row and getting diminishing returns from that. Think, how do fans make jet propulsion, and apply it to your ionic stages, but seal off the outside air, it’s not helping.

More convergence, fewer layers. The physics works out to the trailing layers canceling out. The equation for ipnization also indicates that ducted output would improve thrust by slightly densifying the air, increasing efficiency of energy transfer

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