Electromagnetic Accelerator Improvements Part I - Gauss Cannon test rig

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In this video I experiment with different improvements to electromagnet coils and build a test fixture to measure my results and compare them to magnetic finite element simulations.
Ultimately, i measured an efficiency increase of 51% on a coil that was covered in a shell of ferrous material acting as a magnetic flux guide.
The magnetic simulation software i use is called FEMM 4.2 and it's free to download: www.femm.info/wiki/HomePage
Part II:
• Electromagnetic Accele...
Music:
Heatley Bros. - Ocean Palance
Serge Pavkin - Fractal
Serge Pavkin - Tech

Опубликовано:

2 июн 2024

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Комментарии : 78

@dman4342 3 года назад

I'm building it myself and you gave me good ideas for improvement, you deserve more subscribers, I like your videos very much Thank you

@howtomakeacoilgunoffallout4096 2 года назад

Yes of course. See also: Portable Super Coilgun: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE--mjDqp_oWZk.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YLOYxsqvjw0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-vErqh0DO_S0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OFIQ3pcFZpU.html

@marcindyba4774 2 года назад

Nice job , and very good quality of work. Your electric wiring and 3dprinting are nice.

@howtomakeacoilgunoffallout4096 2 года назад

Of course. See also Super Coilgun portátil: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE--mjDqp_oWZk.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YLOYxsqvjw0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-vErqh0DO_S0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OFIQ3pcFZpU.html

@QuinceDeMayo-jg5wb 8 месяцев назад

Brillante trabajo excelente explicación! Gracias

@ahbushnell1 3 года назад

You need to simulate using a axi-symetric model. You can do that in FEMM. FEMM is a great little program.

@howtomakeacoilgunoffallout4096 2 года назад

Oh sure. See also: Portable Super Coilgun: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE--mjDqp_oWZk.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YLOYxsqvjw0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-vErqh0DO_S0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OFIQ3pcFZpU.html

@SashaXXY 2 года назад

Very cool! Thank you for the upload!

@howtomakeacoilgunoffallout4096 2 года назад

Oh sure. It's cool! See also: Super Coilgun portátil: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE--mjDqp_oWZk.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YLOYxsqvjw0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-vErqh0DO_S0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OFIQ3pcFZpU.html

@ostanin_vadym 2 года назад

Thanks for the content and efforts.

@howtomakeacoilgunoffallout4096 2 года назад

Of course. It's cool. See also: Super Coilgun portátil: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE--mjDqp_oWZk.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YLOYxsqvjw0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-vErqh0DO_S0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OFIQ3pcFZpU.html

@undrachvrsage 3 года назад

Cool series dude. Subbed.

@howtomakeacoilgunoffallout4096 2 года назад

@ef9307 6 месяцев назад

St8 how it’s made vibess fr. 🎉Except it’s proof of concept for weapons of war that will undoubtedly change the definition of warfare for humankind😮😢. Music goes hard tho and electricity is our magic and there’s nothing you can say to change my mind I can’t thank you enough for making such in-depth on the actual cool shit In the world

@jameswiz Год назад

Sooo. You basically built your own Arduino to control this? Love it!!!

@NeonblueIndustries Год назад

The crucial thing is that the timing (distance) of the IR trigger beam need to be further away from the coil due to the speed of the projectile being moving faster. This distance and thus timing would get further away from the coil it fires as the projectile gets faster. Also, you must have the magnetic field collapsed and done by the time the projectile has reached just prior to center. Coil length and capacitor size also affects the time of each pulse.

@hgbugalou Год назад

Sweet. One step closer to a battle mech

@user-ku2sq5gi4w 2 года назад

I’m glad I found your videos. I’ve been designing a rolling ball machine and want to use magnetic acceleration to provide speed that is faster than what’s available using just gravity. I got the idea from a Star Wars pinball machine that uses this technique and calls it the “hyper loop”. Have you investigated using more simple PNP inductive sensors to tigger the electro magnetic circuit?

@HyperspacePirate 2 года назад

An inductive sensor might be useful if the projectile was a permanent magnet, but it's kind of hard to detect the voltage spike from a ferromagnetic projectile passing by a coil. Unless you're talking about one of those metal detector sensor things like 3d printer heads have?

@user-ku2sq5gi4w 2 года назад

Yeah, a simple PNP Induction sensor will sense the metal ball and make the switch itself to provide the same voltage used as its source as the trigger output. You can buy inductive sensors that have various response speeds at 3K Hz or higher and at different sensing distances of less than a mm to 10 mm or more. They’re good because they will stay triggered (and provide a +V output) for as long as it senses the metal so you can easily have multiple balls traveling together in a row without fear of a misfire. The output of the PNP sensor would be connected directly to the base/gate resistor that switches the coil on. Just an idea.

@HyperspacePirate 2 года назад

@@user-ku2sq5gi4w Worth looking into, thanks. That could allow me to completely bury the sensor and have a smooth track

@user-ku2sq5gi4w 2 года назад

Yeah, the fact you’re using a plastic track would allow for an embedded sensor. I found it an interesting coincidence you went to a 48V supply voltage for the coil to get more speed. The pinball machine “hyper loop” also uses 48V for its coils. They use four coils in a row to accelerate up to four pinball balls. Keep up the great work.

@instazx2 Год назад

How did you tune for the optimum pulse duration, and the trigger-to-coil distance? Lot of power is hiding in getting that perfect, too.

@BenjaminMarshallScienceMan 2 года назад

I want to add an important note you forgot to mention: Adding a metal shell to the coil increases its inductance obviously, but less obviously also increases the coil's RL time constant. This isn't a huge issue for a single staged coilgun, but each additional coil you add will need to form/collapse a field more quickly to have an effect on the projectile. If your coil's time constant is too high, you'll lose efficiency as the slowly collapsing field puts additional drag on the projectile.

@HyperspacePirate 2 года назад

True, but overall i've found it to be a net positive in simulations and testing, because you're getting more magnetic flux for the same amount of input power. I think this is probably the reason you see high speed coil accelerators use progressively smaller coils, since there's a way smaller time window to act on the projectile as it gets faster, so the final stages need to have a lower inductance than the initial stages

@BenjaminMarshallScienceMan 2 года назад

Yeah! I'm in the middle of building a 1.5KJ four stage coil gun, and while each coil is the same, I could definitely improve the muzzle velocity if the later stages utilized smaller coils. If you're ever interested, I'd love to chat some time and compare notes, or perhaps even collaborate. I had never heard of FEMM before your video, so in this current project I made an excel program that simulates the field of the coils and their force on the projectile. It's been tediuous, but I've learned a ton. Needless to say though, Im stoked to see that there's an existing program for this.

@GeorgeTsiros 9 месяцев назад

@@BenjaminMarshallScienceMan i'm a physicist yet i have near-zero intuition about magnetic fields.

@MEGAVOLT 3 года назад

Хорошая работа

@ThaboW11 3 года назад

Awesome!

@howtomakeacoilgunoffallout4096 2 года назад

@nerdylicious1814 2 года назад

Very interesting concept, can u try using the magnets around a coil gun to see if it wors as well, by coil gun I mean a capacitor and like 400v

@howtomakeacoilgunoffallout4096 2 года назад

Maybe, maybe. Oh sure. See also: Portable Super Coilgun: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE--mjDqp_oWZk.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YLOYxsqvjw0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-vErqh0DO_S0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OFIQ3pcFZpU.html

@brett567 2 года назад

Can you remove the steel wire without unwinding it. If so would soldering the steel wire to as solid as possible help?

@howtomakeacoilgunoffallout4096 2 года назад

Yes of course. Maybe, maybe. See also: Super Coilgun portátil: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE--mjDqp_oWZk.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YLOYxsqvjw0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-vErqh0DO_S0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OFIQ3pcFZpU.html

@mirage3rd 2 года назад

Impressive work! …but if you chip the island granite, you’re going to be in trouble…;-) Looking forward to see more experiments!

@howtomakeacoilgunoffallout4096 2 года назад

Yes of course. It's super cool! See also: Super Coilgun portátil: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE--mjDqp_oWZk.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YLOYxsqvjw0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-vErqh0DO_S0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OFIQ3pcFZpU.html

@goshenable 2 года назад

Hyperspace, did you go to school for engineering? Mechanical or electrical? Trying to choose what to do since i enjoy both aspects of the engineering field.

@howtomakeacoilgunoffallout4096 2 года назад

Of course. Maybe, maybe. See also: Super Coilgun portátil: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE--mjDqp_oWZk.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YLOYxsqvjw0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-vErqh0DO_S0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OFIQ3pcFZpU.html

@PlasmaFreak 2 года назад

Hey Hyperspace, I really have been enjoying your channel. I like how you explain things at a very understandable level and you make cool projects to bat! Have you ever heard of an electrothermal gun? I think it would be a really cool project which would be right up your alley. I modified one to fire plasma toroids on my channel, but they are capable of hypersonic velocities and very high electrokinetic efficiencies. I think you would be a good candidate to make a very effective design.

@howtomakeacoilgunoffallout4096 2 года назад

Hi. Yes of course. Maybe, maybe. See also: Super Coilgun portátil: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE--mjDqp_oWZk.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YLOYxsqvjw0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-vErqh0DO_S0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OFIQ3pcFZpU.html

@ahmdabdallah5811 Год назад

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@tobiasu.juliussen9896 2 года назад

Cool build, what frequency is the inductance measured at?

@HyperspacePirate 2 года назад

No idea. That's internal to the LCR meter

@richardevans6132 4 месяца назад

I wonder if it'll make a difference if you use a flat wire instead of a round wire which would eliminate the air gaps?

@howtomakeacoilgunoffallout4096 3 года назад

Nice!

@howtomakeacoilgunoffallout4096 3 года назад

See also: ru-vid.com/show-UCvFzxEIKaw2povm2KZtKNQAvideos ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-1c5cxLK08RQ.html

@HyperspacePirate 3 года назад

I'm impressed that you're shooting through metal

@howtomakeacoilgunoffallout4096 3 года назад

@@HyperspacePirate thank you for rating

@mlutteral Год назад

What about isolating the layers of the ferromagnetic shell? (like transformers do), to prevent eddy current in the shell that will drop the efficiency

@howtomakeacoilgunoffallout4096 Год назад

Maybe, maybe. Look here: New! Apocalypse Coilgun vs. MONKEYPOX: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-G9-jKWPyMFo.html See also: Portable Supercoil: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be

@PoliticaV Год назад

Did you make those plastic pieces or did you buy them?

@podunkis Год назад

It would be good if you attached the base so it didn't slide while accelerating the ball. I would think this would improve the speed somewhat.

@neenadjaiswal3245 2 года назад

How much force does it produces?

@howtomakeacoilgunoffallout4096 Год назад

Maybe, maybe. Look here: New! Apocalypse Coilgun, Fallout Gauss rifle: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-G9-jKWPyMFo.html See also: Portable Super Coilgun: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be

@alexbarrios3562 2 года назад

Hi Pirate, Would you mind if we replicate your model for a kid's Gr8 project? We'll cite your link. Assuming you don't mind, could you post your materials list?

@howtomakeacoilgunoffallout4096 2 года назад

@Karmai9 Год назад

You can build a train system with this

@GeorgeTsiros 9 месяцев назад

you might want to add weight. The entire base shifts. You lose kinetic energy.

@BukoLibuk 2 года назад

dont hoax not gauss cannon 3 type accelerator- rail gun= AC , Coil gun= DC Gauss cannon= neodyium magnet

@BukoLibuk 2 года назад

sorry bad english

@howtomakeacoilgunoffallout4096 2 года назад

Oh sure. Maybe, maybe. See also: Super Coilgun portátil: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE--mjDqp_oWZk.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YLOYxsqvjw0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-vErqh0DO_S0.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OFIQ3pcFZpU.html

@instazx2 Год назад

nothing requires a rail gun to be AC or a coil gun to be DC

@shreyaskumar5366 Год назад

Bro bolt down youe test rig for maximum accuracy

@Jkauppa 2 года назад

railgun acceleration track ring

@Jkauppa 2 года назад

or just trigger pads

@Jkauppa 2 года назад

capacitive touch sensors

@Jkauppa 2 года назад

a fine design does not need the optimizations

@Jkauppa 2 года назад

steel wire iron-air fuel cell, with salt-bakingsoda-koh water-ethanol-propyleneglycol electrolyte, with wire feed

@Jkauppa 2 года назад

iron balls (projectiles) with concentrate the magnetic field in them, on the ring railgun track, the projectile is the core, but a moving one

@zentheplayerrapper8504 2 года назад

😱👍😎🍕 = 🐢🐢🐢🐢

@howtomakeacoilgunoffallout4096 Год назад

Yes of course 👍👍 Look here: New! Apocalypse Coilgun : ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-G9-jKWPyMFo.html See also: Portable Supercoil: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be

@nickbaylander6320 Год назад

I've had way better luck using high voltage induction gun. It's unbelievably powerful. It's like a real gun. Not a rail gun either.

@howtomakeacoilgunoffallout4096 Год назад

Yes of course. Look here: New! Apocalypse Coilgun vs. MONKEYPOX: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-G9-jKWPyMFo.html See also: Portable Supercoil: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rclLsQ9nyeg.html&feature=youtu.be

@nickbaylander6320 Год назад

@@howtomakeacoilgunoffallout4096 i think mine is a little more powerful than that. I wonder what ammo he's using? I use the soft steel from transformers and motors with aluminum foil wrapped around it

@howtomakeacoilgunoffallout4096 Год назад

@@nickbaylander6320 I use any steel (except stainless steel)

@icebluscorpion Год назад

You don't need all that crappy electronics, just put an iron core in every coil and give permanent DC voltage to it and build it like a Gaussian cannon out of permanent magnets. The plus side the magnets can't be destroyed by impact became they are just iron cores and no electronics because they are just permanently on as long as the switch is on.