You just invented a new Stirling engine and the first thing you do is sharing it... Not only a genius 👏🎉

Dear Robert, I really liked your video about this magnet driven displacer Stirling engine! Thanks to your kind words! :) It's not pretty new as an idea to use magnetism to lift up the displacer. Almost 10 years ago I saw a patent from a Chinese LTD Stirling where they used the magnet as lifter. I'm not pretty sure they was the first or not because I saw lot of magnetic LTD Stirlings, homemade and manufactured versions, cranked and free piston versions too. On the other hands what I've never seen that is a free piston HTD version two in one as yours. But I'm not the man, who knows everything about this type of unit or seen every type of engines, just a big fan of hot air engines. The main thing that I wrote you, It has a speed limitation that means power limitation too, because the frequency is limited when we use gravitation to moves the displacer back to the bottom. Some springy part could help a lot to increase the speed,but all knocking noise means mechanical losses usually. Tricky to make one without physical connection between the displacer and the power piston also you should put some spring on the top of the displacer. Anyway your Stirling unit is pretty rare and unique actually simple enough to try to build for every Tin Can Stirling hobbyist! ;) BLADE

Robert - you are the Bob Ross of engineering ! I don't understand most of it but i always come away feeling like i've just seen a feel good movie ( if that makes any sense ) So thanks mate 🤗👍👏

Well done mate. Still a nice little build regardless of if it is or isn't new

Always Working In The Interest Of Humanity 😁👍 BRILLIANT

3 ideas for improvement: 1. put a piece of carbon felt on the ends of the displacer to dampen the noise. 2. If the wire wool is acting as a regenerator, then cutting holes in the plates that hold the regen together to allow more airflow will improve performance as a regenerator but may reduce effectiveness as a displacer. (maybe like a turbo in a combustion engine?) 3. replace the magnet with a solenoid or magnetically assisted solenoid to allow for precise control of engine timing with pulsed power input. (like electronic ignition timing in a combustion engine)

excellent, can't wait to see how this device developes! pleawsse keep us posted!!

It's genius. I can't believe I didn't think of it. I absolutely love anything to do with magnets.

Genius idea! I never thought that a Stirling engine is basically a temperature/heat diode, kind of like a semiconductor but for heat instead of electrons, and also semiconductors are related to solar panels. Maybe you are onto something BIG here Robert.

That is pretty clever. Nicely done.

You have a brilliant mind Robert, regardless of patent records. All the best regards from here on the West Coast side of Australia 🌏🖖🙏🤟🇦🇺 Batavia Coast

Now the important part: apply it to do useful work. Looks like a simple solution to a complex problem: How to charge your phone on the campfire. Good video!

Very neat and simple! Thank-you for sharing! A coil around the top and you can produce electricity!

Brilliant, got me really pondering this could run a fan for a rocket stove air/space heater :) Maybe use stronger magnets that are dampened with rubber to get db down.

Wow. That's as crazy as the mushroom battery

The simplicity! Love it!

This simplifies the piston/displacer timing greatly. A great idea, and if you don't mind, I'm going to copy your invention with a few modifications I can think of and send you a few pictures of it . Great video as always.

Brilliant, I'm learning so much from your videos and I thought I was practical.

You actually invented that stirling engine , and you and i and most of your subscribers know that it really doesn't matter whether it was created befoe or not. So well done rob.

That’s awesome, The only issue that I can see is if the magnet gets too hot it will lose its magnetism. From memory it’s around 80 degrees Celsius

You're so entertaining practically speaking it's a wonder they don't give you your own TV show just like Dr Phil

Thats a really cool idea! Generally this setup must waste quite a bit of energy just because dropping the displacer with each cycle nullifies the potentional energy it has... BUT there might be two ways to approach the problem - either make it lighter to waste less energy or make it heavier and attach it to a crankshaft mechanism (to act as a flywheel) sticking out of the bottom of the can.

Well I'm sure school teacher would love to build these with students! And if it's efficient then that would be a pretty nifty motor to take camping, perhaps with a parabolic dish! I would love to see more after you've had time to play around with it and test it out

Hi Rob - I hope you optimize for lower temperature input first. Love the simplicity, and thanks for sharing!

Keep up the good work from Florida I'm be busy. I'll try to keep up

I can see a couple of these sitting on a fire, or heated from concentrated solar, made from 50 gallon drums, generating power! 👍

Whether you " invented " or not is always debated by someone. Edison, lightbulb, Tesla's AC generator, Bell's Phone, all met Court/ legal action. Bell couldn't sell his phone so he rented it to everyone. The laugh was on the contesting parties. Because they gave him residual monthly income for about 100 years, across the world. Ma Bell. My friends mother still had a rented phone in her house for 70 plus years. Up till the day she passed on around 2020. Robert you took the high road, gifting your knowledge and wisdom to all that will listen. You teach so it is understandable. Very rare gift to teach to understanding. Public school discloses curriculum with no or limited understanding for the most part.

Brilliant!! Love your videos and this is something even I could manage!! Thank you 🙏🏻

Great idea! 😁 Scale up the model with a metal membrane, replace the small magnet and the weight with one big neodyme magnet, add some coiles and compare the fuel consumption (e.g propane) with the generated electricity to get the efficiency. 😀

You make me smile, thank you.

This is phenomenal use of scrap Rob, if nothing else!

Everybody on earth knows what a Jedi Knight is, an exceptional man (or woman) who dedicates their lives to helping and protecting the rest of their species, for nothing in return other than using "The Force" for good. They are out there, and in our galaxy too.

Brilliant! I'd love to see any refinements you end up making to this design as well.

Hey wow, that would simplify that engine that you demonstrated once based on nasa's sterling engine. That's genius Rob! The Murray-Smith Engine.

This reminded me of your NASA Stirling engine video from 7 years ago with some unique changes like the flywheel and magnets. Funny thing is i didn't realise it was your video, I only remembered the nasa bit.

Fun...like in particular the couple uncouple nature of the no linkage linkage

Now that's awesome. 👏👏👏👏👏🙏

Brilliant Robert ! 😁

Great new model for thermodynamics effect demonstration, however magnet has curie temperature point where it stop working

That's a great build.i may go make one to play with now 😃

That's very neat and simple. One issue I see is that heat weakens a magnet over time.

Robert, this reminds me a little bit of the Sunpulse Stirling engine in Tamera, Portugal.

Interesting to see how a magnet and coil arrangement could do on this as you, no doubt, already contemplated. Even if you are not the original inventor of that model you still invented it independently so kudos to you I reckon.

About 15 years ago, some australians invented a way to print solar panels. Printer cartridges can be refilled by injecting the ink. What if we fill them with solar panel chemicals then when we print, we select the exact hexidecimal color that activates one of the 3 color cartridges or the black one to print circuits for solar panels? The one thing needed is the conductive ink, there is a way to grind up charcoal in a blender then extract it off the top after it settles to get conductive carbon ink that I noticed. Researching the other chemicals I have seen everything from toothpaste to other weird things being used lol. I don't think it would be that difficult so long as the printer heads dont clog up and it would get the ball rolling for everyone else to experiment with improving the solar panels I notice you have some improvements. I would like to say maybe if you got hologram paper of some sort and painted it with the flourescent ink a certain way it could improve the efficiency if you layed it on top of a printed panel. Do you think this is a great project that could help the world? I have asked defcon and andreas speiss and no one really replies helpfully but you think so much like I do that I think maybe you would like the idea. Also, if you were to do this, make sure you use an older printer that doesnt have barcodes on the ink cartridges because the companies limit whether you can refill them now using those. One more thing If you take a tin can then take two bottoms of coke cans and cut them off then shove them together, it fits perfectly into the tin can for a pison.

You’re awesome!! Want to see more on the idea. Very cool!!

Nice. Reminds me a litle of an "atmosphere" steam engine and a litle of your duplication of the NASA stirling. Would love to see power taken off it.

Very nice build. Not that it's a competition but Blade Atilla's latest make with NO displacer is hard to beat.

Can you make a video of you putting it back together or just building another one. I'm trying to teach my kids about engines and how to generate their own electricity, as well as how speakers work, and this looks like a great craft for adults and kids to both have fun doing and learning from.

I love this guy, I’ve no idea what he’s talking about but he’s brilliant

I like that it is hermetically sealed. Hope some one works out an LTD version.

Brilliant! 🙂👍

As a novice, it looks new and easier to build than a rhombic. Great discovery, new or not. Keep the brain cells earning their keep :) My mind is working on different relese mechanism like a magnet that slides to the N side when it is down and the S end when the displacer is up. A small toggle on the underside of the displacer.

Interesting thanks for explaining

Amazingly simple and an ingenious method of moving the air around!!!

Great job!!!as a pseudo engineer😜 I always lookat something for simply and durability- unfortunately rubber will wear quickly with heat and expansion- I wonder If replacing the balloon with a hollow piston/ pipe would work?

I need to make one of these and pressurize it, that should drastically increase power and efficiency.

Nice now do a trash can size and a neon plussing a coil generator .for camping.

Congratulations Thank you for sharing

I saw a large scale system years ago where the diafram was like a huge rubber trampoline that actually delivered usable torque. Nice work as always

Robert Murray-Smith shares the greatest idea ever in every video .......Share your idea with others and watch it flourish..........

genuinly and simply cool

Ingenious, just darn bl**dy ingenious!! Even if it has already is patented in good old 1808 YOU just came up with it with out knowing! AND.... for the lord of all mighty... YOU JUST GIVE IT AWAY FOR FREE! Now THAT... THAT'S the spirit to be among us tinkers, learning and sharing for a better world. Job well done Rob, you are just a wonderful chap!😃❤

I have seen a similar idea but I couldn't say ìf it was the same, I did try to find it again but no ĺuck, it is simple but brilliant, but that is like all the best ideas,well done

Take this principle and if it has enough movement attach it to an electrical coil similar the one of those ' shaking flash lights ' and generate a little power.

Stirling engine trickle charging 12V battery- 2012 , well build

Well done Rob, I am picturing something like this that you could put out in the sun or on a campfire and have it connected to a dynamo that could charge a mobile phone etc, cool 🙂

New or not I love these kinds of clever ways to simplify complex mechanisms. Very nicely done and thank you for sharing the excitement of discovery.

That is really neat!! Thanks for sharing that .. now to scale it up to a 55 gal barrel .. and something to keep it going!! 🙂

Put a magnet in place of that flywheel Mass make one hell of a generator!

Interesting. Could you modify this to be used with your magnetic switch (1036 & 1041) by placing a coil next to it to generate electricity ? Would be interesting to see the power it could generate.

Robert if your thinking of a cheap heat for your house try looking at the video The Random Farmer he's using oil burner in closed box with hot air blowing into his house bit primitive but I know you could improve on it

Might come in use this winter as candle power becomes reality

I wonder Will the heat from the forever wick be sufficient enough to run your new stirling engine

nice, cleaver...thanks DVD:)

Thank you for sharing

I am always torn between Stirling engines and thermoelectric generators when it comes to converting heat to electricity at home. This little motor has me leaning back toward Stirlings. Very cool. Cooler still is your willingness to share your ideas without trying to get rich from patents. People are going to badly need channels like this pretty soon with the coming hard times.

This is genius. How about we connect the balloon diaphragm with a conrod to a flywheel and develop rotary motion. I am crazy about your invention. I have searched for a completely sealed chamber Stirling engine and you have answered that search. Thanks. Now I gotta build one.

It is on the cold side, but might there be a problem with the magnet failing if it gets above its Curie temp?

Clever. Magnets are wonderful things in their ability to exert and release forces so simply in all kinds of conditions and through various materials. Put a small wire coil inside the stop ring and lead the ends of the wire out and your magnet does double duty as a generator as it goes up and down.

the rms MagnaGrav stirling ,never seen this configuration ,its new i think. combined with 'mostly magnetic motor' & you have some increased pulling/pushing power

Congratulations old mate - Well done!

great idea Robert looking forward to seeing what you can do with it

Love it... Genius!

The only downside I can think of is that the high temperature and constant hammering could demagnetise the magnet. Might become irrelevant with a few tweaks though, like softening the blow with felt (as M C suggested) and bleeding off a fraction of the kinetic energy through a coil inside to remagnetise the magnet.

If the balloon gasket lay between a lower can with the displacer and an upper one filled with water, (which might replace the metal mass) and two one way valves in the upper can, one allowing water in and the other out, then you might have a simple water pump?

Neat idea. What I'd like to see is a simple Striling engine kit connected to a 12v motor so it can generate small but constant amounts of power. Even a 10w motor over 10 hours will produce 100wh of power.

You Sir are a bloody genie arse.. Your mind must hold a cavernous amount of ideas, enough to last a 1000 yrs... 👍

Hum, replace your top weight with a rod topped by a small magnet that passes up and down through a copper coil, add a couple of diodes to DC it you've got a generator to power your TV, run the fridge and Bob's your uncle ! OK, maybe charge your cell phone in a day or so, still pretty cool. ;-)

For some reason I find it funny how it happily bounces up and down.

That's amazing Robert, excellent invention!

Looks really awesome but I thought sterling engines had lightweight components because the pressure difference doesn't exert much force?

Your having so much fun

Great job! Was wondering if any of these sterling engines, ever use a feedback system, where a small portion of the energy created in electric form, is placed in coils, to help or regulate oscillation.

cool idea

Brilliant

Amazing.

Brilliant 🙂

Magnetic and gravitic controlled Check valve Stirling engine. Nice.

great idea! 🙃

I’ve seen free piston/diaphragm stirling engines. I’ve seen magnetic displacer linkage stirling engines. But I don’t know that I’ve seen them together on the same engine.