Hi, I'm in Australia. We have been using 'wind generators' for over 100 yrs. We have tried a lot of designs to improve the old "Dunlite Windgenerator". What your doing is bloody awesome, keep it going.
I just love your videos Robert Murray Smith. So enthusiastic, joyful as well as a brilliant and very practical Engineer. I wish there was someone selling these as kits they are an amazing piece of kit. 🙏
brilliant video! I just watched a video for the new Liam F1 wind turbine and this was suggested - great to see how these experiments have a potential commercial application!
That's impressive. I would love to see this installed totally complete waterproof and everything have it working for at least six months and see what the readings are on a daily basis. Love to build one of these.
You are exactly on track with what have thought for a long time. Golden ratio capture and conversion of the wind for most efficient processing of it and a way for excess pressure to mediate or pass through so as not to stress the the prop. Putting these in an array, minimize with magnetic bearing any resistance. Make them cheap, small, modular and easy to replace. Cost effective wind conversion anywhere to get the ROI right up asap.
Dear Robert, I would love to see a huge 3D printed version, even if it needed to be printed in parts, put together and then get an amperage reading to see what energy the surface area achieved. Thank you for your interesting and educational time here . Rating: ⭐️ ⭐️ ⭐️ ⭐️ ⭐️
I also saw these as a match made in heaven 😊. Also because it would allow the use of the ball bearing tip to get low friction. One thing I have found which is very important, is that these Neobidium magnets do not like being outside. If the surface coating is even very lightly scratched, the magnet just turns to rust dust.
Beauty!! My phone requires 20 watt hours max to charge. If we could measure a 2 watt hour output, given your approx 30V output, we would only need about 66 milliamps to have a wonderful camp side charger!! AND it's wonderful to watch it spin!
That's a really nice build - maybe my favorite of your designs yet! I'm excited to see how it performs. I live in the southeastern US and my heat pump runs probably 9 hours a day on average at this time of year. I think I can make use of that exhaust air from the condenser fan, providing it's enough to collect and use in the shop.
It's worthwhile considering that if you added this to the air pump exhaust flow, you might be effectively making the air thicker. I'm not sure how much excess there is in the fan, but it's possible you could cause the fan to need to work harder, or limit the heat input/output. Ultimately, conservation of energy, and I don't know how that would impact that kind of setup, it might be negligible though, in which case that could be an inventive way to net increase efficiency. Not sure how you'd test it. You'd need an isolated system with effective ambient temperature control and then attempt to see what kind of temp differential you could create for some unit input of power with the power harvested subtracted off.
@@azena. Excellent point for sure. This is a typical fan though that blows vertical into the atmosphere with no restriction, not like in a pipe or constricted area. So if I covered it up with like 16 of them it might have an impact, but likely not noticeable with a couple. Good thinking, thank you.
@@skampp Quite possibly, it's difficult to say without doing tests to verify. The impact of a couple may very well be negligible, but then again who knows! I guess it also depends on the kind of environment the outdoor units are tested in. After all, they have to deal with wind from multiple directions, so actually, maybe there really is nothing to worry about. I can feel the variable list and unanswered questions growing 😂
Now THIS is a good project for me to build. I could use something like that for my greenhouse which could use some light. I could think about a couple of these in a row. I absolute love the joy and enthusiasm you put out!!! 40V!!!! That joyful laughter is amazing and the thingy is brilliant. Just downloaded the files from thingiverse. Should be printable on a Ender3 (because of the size). Two years ago I run into hydroponics to vertically grow vegetables in. The first test was really good so in the following year I built 4 of it. Hmmm, thinking about your project combined to make the small pumps running is another good idea I could think about. That would mean I could run those pumps with a wind turbine recharging 12V battery. Hmmmm.... yesssss! Thank you!!
Do You know why ship propellers aren't shaped like an Archimedes Screw? Because it was found that if you cut the screw off at a point where the top of one blade starts to cover the bottom of the other, it's more efficient. It's a simple optimization that's been known for over a hundred years now. I bet You'd find the same if You were to cut the height of the screw in half and just keep the wide base.
Very interesting. After building a number of da Vinci Inventions, I think building some of your inspirations is a great inspirational jumping off points.
I was thinking along similar lines. The space between my house and my neighbour's is like a wind tunnel. A number of them mounted on the side wall would probably be very effective, would be easiet to maintain than if they were on the roof, and would be fairly unobtrusive.
First of all: I love your videos! I love the topic and you explain it so simply and well! Can you explain a Halbach array and possibly test it? I know it's complex and you say that simplicity is often the key😄
The improved efficiency spiral wind turbine was already Patented in US by Japanese man in Texas, a long time ago. Large scale models also built. It's called Tornado turbine. Also, the late Mr. Baumgartner had built a lifting device platform utilizing the ETHER , by swirling of turbine air with high rpm motor, very low power , and lifting very heavy weights. (Extracting energy power from the ETHER through angle of NATURE'S spiral). He used computer program to get exacting design . Two-page article with photos was in an old Alternate Energy newspaper.
It really is a beautiful mechanism. Aestheticly pleasing as a functional piece of art. I wonder how that impeller would work in reverse as a propellor? The impeller reminds me of the suction driver in an old Kirby vacuum cleaner.
Hi Robert, a couple of questions pop up for me with every one of these generator videos ... Why do you always put the magnets on the outside (far away from the coils) ? Surely closer is better ? And second question is whether you align the opposite poles of the magnets on opposite sides of the coil ?
Theres not enough surface area for solar cells to pick up sun properly plus if its a moving object the cells dont have enough time to pick up light and generate the energy properly. Good idea though.
Robert, I enjoy your videos and I would love to see you build my idea. I envision a two foot metal rod with a large archimedes turbine on one end and a generator winding on the other end. There are magnets that create a mag lift to the rod and in the center of the rod there is a flywheel. The flywheel has holes drilled at a 75 degree angle that house magnets that generate a magnetic push once the wind starts the turbine spinning. Mounting it on a platform, would allow for adjustment and maximum wind capture. With the hand powered spin of the flywheel the turbine and magnets would increase the speed with very little resistance.
I do love your videos and the frequency of your experiments for I would think there's a lot of time spent off camera to get usable footage, thank you for sharing,This is very cool. So will you get the same impressive results as you scale upwards , will the size and mass of a larger turbine create more friction on bearings stopping to the turbine from turning.
That turns pretty good for the size of it. Can you attach a load and retest? Also, is there a max speed or some way to brake at a limit so it doesn't fly apart?
Hi Rob, I noticed that the Archimedes spiral is very similar to a sharks egg capsule. Nature has usually evolved answers up to the Murray-Smith level. André
Because the intensity of the wind varies a lot, the wind turbine will vary to. The graphics of wind strength for a specific área will determine what kind of turbine works better.
Nice Construction. It spins well. It makes voltage. Put a little load on it and see what happens. Maybe you could get enough power to charge a phone. It needs to be much bigger to serve a useful purpose. I think a large one could be hooked to a hot water heater to get a little free hot water if you have enough wind.
Robert, ☝️☝️✍♥️ maybe a series of forward facing funnel shaped shroud , then cylinder cover, and then tail components to first collect wind like an open funnel similar to what a dog wears after surgery, and add an interior rough surface or dimpled surfaced cylindrical wind energy concentrating housing shroud placed 360 degrees closely around the auger's length as a wind energy cylindrical concentrating surround to direct the wind energy to pass over the auger's fins in a parallel fashion and at a higher wind speed with the third component being that of a well set back trailing fin to turn the auger steady into the wind designed like the 1900's U.S. farmers type simple fined water pump wind prop with flat sheet tail. Think of a tail shaped like a boomerang so that the top and bottom surfaces of the trailing tail are out of the auger's vortice exhaust wind turbulence. Please keep up the inventing. I hope that You and Luke have a Happy Day !
Can i ask , why are there not manufacturing companies working with you to turn some of your interpretations and quite genius ways of proving a concept in to working and manufacturing turbines . I am sure that there would be a market for such devices . Keep up the good work .
I would be interested on the efficiency of the different designs. If you have much wind, all would work and generate enough energy for privat cases, but mostly are low wind conditions with less energy inside. So its important to use the theoretical possible energy with low wind efficient. Sure it is not Trivial, but maybe you can test equal scales of your designs on a big ventilator with the same generator and measure the power output? Very nice work you do!
Bilbo Baggings / Dr Who mashup. I love your videos. I've just subscribed as the videos are fun, entertaining and teach so much. You are an awesome teacher. You passion is infectious. Keep up the amazing work.
So here’s the big question … Which of your wind generator designs over the last few months is the most efficient to produce the most power? Would love to see.
@@andrewsmithmilan1780 The vertical axis "impeller" (can't remember the name) is more "robust" and omni-directional, but has a 7% efficiency rating. It's used for phone charging at remote bus stops in Europe. A unit large enough to run your house would be THE SIZE of your house.
Is the spacer supposed to be loose in the coil former? I noticed in the video that there is a gray space? in the blue coil former. What keeps the coil from floppying around?
You have some really great designs and I plan to print some to experiment with. I would like to see it hooked up to a load and tested for amperage though.
i think you will have a very popular store, like home depot, that every educated client who understands well your u tube would not hesistate to order parts to build this wind turbine for domestic or field usage because its simple & workable to the ordinary people...........
A thing of beauty! Reminds me of a squid! What with the waistcoat and watch you are in danger of going full Dr. Who. It's a slippery slope. Take it from me! Perfect comic timing, tell the rooster. Impressive performance! Cheers!
Hi there, very interesting channel. I actually am trying to print and assembling this turbine, but I think there is a missing part. In minute 1:43 when you are holding the serpentine part it is composed out of a blue part and a gray part. The gray part, which fits in the blue part doesn’t figure one the thingiverse files, or does it? Thanks for helping and greetings from Luxemburg
Will a funnel shaped skirt at the rear smooth the vertices at the rear archimedes screw inprove the efficency and cut down on the vibrations and make the generator point into wind self steering ?
IMHO it could a good video three wind turbine moving generators of exact same type in the exact same place at the exact same time and compare the three later in the lab.
I think a bit of the wobble/unbalance is due to the spiral not being evenly distributed in weight. A way to counteract this without messing with balance weights would be to make it a double (or more) spiral. Fun video though :)
Rob, I just noticed in the video: The turbine and the wind meter are pointed in different directions. Maybe a wind vane on top of the wind meter will help
If you put the magnets in and eliminated the south facing ones leaving an empty hole would it create a fluctuating DC current rather than an AC current in the wire thus eliminating the need for a rectifier?