Hummingbird-Size Wing-Flapping Drone Unveiled 108
garymortimer writes "AeroVironment, Inc. has demonstrated a tiny new drone called a 'Nano Hummingbird.' The hand-made prototype aircraft has a wingspan of 16 centimeters (6.5 inches) tip-to-tip and has a total flying weight of 19 grams (2/3 ounce), which is less than the weight of a common AA battery. This includes all the systems required for flight; batteries, motors, communications systems and video camera. The aircraft can be fitted with a removable body fairing, which is shaped to have the appearance of a real hummingbird. The aircraft is larger and heavier than an average hummingbird, but is smaller and lighter than the largest hummingbird currently found in nature."
Control (Score:2)
It's amazing how much control they appear to have over the thing. I feel lucky when I can get my RC helicopter to go anywhere near the general direction that I want. And especially outdoors! The very slight breeze outside makes toy helicopter impossible to fly, but it seems like they have complete control.
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Yum. Meat rain.
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Anytime you slip out of a helicopter, I think it's bad. But I do agree, I would enjoy falling 1000ft or so much more than being cut up by a blade, and then falling.
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Sure that video looks neat, but that machine also has a significant weight advantage over an RC helicopter. I don't see why flipping it over (other than getting utterly blasted with air, and messing with a nice consistent airflow pattern) would be any different. And you could account for the things I mentioned, it just requires more engineering.
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Not much, the RC toy chopper for $10 more has a gryo and autostability control and are supposedly amazingly stable and easy to fly....or so I have heard, as I also have not ventured outside to the mall to see them in action.
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Helicopter are inherently unstable because the gyro (the blades) are on top, so they are very hard to fly. If you put the blades at the bottom, like they did with this [youtube.com], the stability is utterly amazing.
This is not why helicopters are unstable. A helicopter is unstable because the slightest motion forward generates a greater airspeed on one side of the rotor than the other side. This in turn generates more lift on one side, causing the chopper to bank (and in the hands of an inexperienced pilot, crash). This uneven lift is also caused by any relative motion to the wind. Indeed, a wind of less than 10 mph is enough to flip an unstabilized chopper.
This uneven lift must be actively compensated by rotating
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Helicopter are inherently unstable because the gyro (the blades) are on top, so they are very hard to fly. If you put the blades at the bottom, like they did with this [youtube.com], the stability is utterly amazing.
Why should the position of the blades matter as far as stability? Given the same whirling mass you have the same gyro effect.
A payload hanging below the rotors is easier to balance than payload perched on top of the rotors.
For top mounted payloads , in addition to tilt needed for forward motion, the side vectored thrust needed to fight airframe rotation, you now have to add balancing forces.
You may thing this device was utterly amazing, but the truth of the matter is it was an technological dead end, whi
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could be a gyro involved, that keep it stationary unless other input is given.
Can someone make sense? (Score:1)
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It's chunky, but not obese.
Re:Can someone make sense? (Score:4, Informative)
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So, while it's bigger than what a hummingbird is likely to be, it is not so big that it couldn't possibly be disguised as a hummingbird.
And in particular, there are quite a few hummingbird species of about that size, and the largest species, the appropriately named Giant Hummingbird [wikipedia.org] is significantly bigger. So "smaller than the largest hummingbird" isn't some kind of cop-out phrase where there's one such example in the Andes mountains but everywhere else it's too big to be a hummer.
But in some places it certainly would be too big. For example in the Eastern United States, the only hummingbird is the small Ruby Throated, and seeing somethi
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Regardless, if I see a hummingbird this big, I'm getting a net. They just aren't common around my secret lair.
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Car metaphors are so last week, so here's a fast food metaphor:
It's bigger than a medium but smaller than a large.
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Ever seen hummingbirds fight? They're likely engineering a larger hummingbird that can out-joust the smaller formerly largest hummingbirds.
I've seen too many dead hummingbirds with beak-sized holes through their throats to think otherwise.
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The number hummingbird?
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"The aircraft is larger and heavier than an average hummingbird, but is smaller and lighter than the largest hummingbird currently found in nature." --- I don't really get that sentence, can someone explain?
If the average hummingbird is 1 unit in weight, and the world record heaviest hummingbird is 2 units in weight, the mechanical one weighs 1.5 units.
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The aircraft is bigger and has more mass than the mean(average) hummingbird. The aircraft is not quite as large as the largest hummingbird, nor does it mass more than the heaviest hummingbird.
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There are multiple [wikipedia.org] species of hummingbird. A few of them are common [wikipedia.org] in north america, but there are less-common species, as well. Hummingbirds are rather remarkable, being the most maneuverable group of birds (ever seen a bird fly backwards?)
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Hummingbirds range in size from very small to not so small. While this aircraft is larger than the average size hummingbird found in nature, there are real hummingbirds that are larger.
. ---> o ---> O
hb aircft big hb
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"The aircraft is larger and heavier than an average hummingbird, but is smaller and lighter than the largest hummingbird currently found in nature." --- I don't really get that sentence, can someone explain?
Sure, it means that he aircraft is larger and heavier than an average hummingbird, but is smaller and lighter than the largest hummingbird currently found in nature.
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What next - video fruit-flies that can shoot tiny rockets?
Video fruit-flies that upload to a large and persistent database of surveillance footage, indexed by your identity, location, and time.
Re:Am I the only one ... (Score:4, Funny)
You will really get creeped out when they unveil the robotic tape worms.
Re:Am I the only one ... (Score:4, Interesting)
not really it will probably be the only way to cure obseity in america.
The robot tape worm destroys the food while it is in your system allowing you to eat and drink more with less effects
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Could the thing perhaps package up the food and deliver it to starving people?
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Stocking stuffers? (Score:2)
Will these be available for Christmas this year, or next year?
I want one (Score:3, Interesting)
Based on the current crop of micro RC helicopters, I'd be surprised if this gizmo has enough battery life for more than 10-15 minutes of flight. Any real-world James Bond types out there care to chime in as to whether this is going to be sufficient to support a real-world mission?
Sounds like it would be a lot of fun for messing with coworkers in the cube farm though.
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+1 Funny & Insightful (Score:2)
Wish I had the mod points for it.
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Current $15 rc helis have 10 minutes flight time. I am going to bet this unit has more since it does not need to cost less than $15 to build.
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3. Demonstrate a continuous hover endurance of eight minutes with no external power source.
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These things could be a godsend for troops that have to clear buildings as they had to in, say, Fallujah. Being able to survey the situation before going through the door could save a lot of lives (well, on the American side at least).
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What I'm a little confused about is that the CIA claims to have made fully flyable dragonfly-sized drones in 1970. I can't find it but wasn't here a slashdot story about this a while back?
Anyway, a link to the CIA 'bots is here, but I'm skeptical of the validity of this bot, even with the provided video: http://hackaday.com/2011/02/10/the-cias-amazing-bots/ [hackaday.com]
They're too quick for that (Score:1)
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No real world James Bond would need it for more than 15 minuets...
As an old (really old) James Bond fan, I must protest your mischaracterization. James Bond wouldn't even need a Tango, much less a bunch of minuets—he gets the girl without having to even dance with her first!
Re:I want one too (Score:2)
This can be a pretty life saving thing for the good guys, and devastating to the other
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Based on the current crop of micro RC helicopters, I'd be surprised if this gizmo has enough battery life for more than 10-15 minutes of flight.
According to a Wired article [wired.com], the flight time has, indeed, only reached about 10 minutes.
think of the potential (Score:3)
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Come on. Like all new technology, the industry that will commercialize this first will be the porn industry.
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Or maybe you'll see adverts for the new X-11 Hummingbird Camera!
X11... porn industry... same thing
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That does not adequately explain the aircraft industry, there is no membership fee for the mile high club.
So then you are sneaking onto these flights? How are you making it past security without a ticket?
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African or European coconut?
Nano (Score:1)
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Welcome to 2001, when nano and nano-tech words became co-opted by marketers. No-one seems to give a shit about definitions anyway, e.g. picosatellites, microchips. Might as well call processors nanochips because the process size is measured in nanometres.
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It's definitely smaller than a femtoparsec.
Arm it (Score:1)
They should make one with weapons capability, like something you'd expect to see in a James Bond film. they could use some kind of laser, but I don't think it would have enough power to life the necessary shark. Maybe they could strap a Colt 45 to it (no not the drink, the gun). That would be cool (BLAM!! followed by a spray of hummingbird shaped parts).
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The answer is obvious: make the beak a hypodermic needle. Biological warfare, here we come....
One step closer (Score:2)
Illogical Mr. Spock.. Does not compute... (Score:1)
I'm confused.
I thought I knew English.
Can anyone help me?
Is this an experiment on how to create a brain aneurysm using an illogical statement?
"I sense a Star Trek moment here ladies and germs...".
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Let's say that hummingbirds come in sizes (or weights) 1 to 5.
Average sized hummingbird would then be the sum of those sizes, divided by the number of sizes available. I.e. (1+2+3+4+5)/5 = 3
So the "average hummingbird size" would be 3, while the largest hummingbird size would be 5.
So, if this artificial hummingbird is "larger and heavier than an average hummingbird, but is smaller and lighter than the largest hummingbird currently found in nature" - that means that it's size is somewhere between 3 and 5.
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Seems pretty logical to me.
Re:Illogical Mr. Spock.. Does not compute... (Score:4, Insightful)
I'm honestly shocked that "more than average, less than maximum" is confusing so many people. Okay, maybe the sentence is difficult to parse (I didn't find it so, but whatever), but it is not illogical in the least.
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The grandparent post is, however, a perfect example of Star Trek "logic" which most of the time is, in fact, illogical.
I mean, come on. Half the time they interpret "logical" as meaning "only do things that have a 100% chance of success, do nothing otherwise" (if there's a 50% chance we'll blow up after reticulating the deflector array, that's still the logical course of action if the only other option is a 100% chance of explosion from not dispersing the negative space wedgie!), and the other half of the t
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I'm honestly shocked that "more than average, less than maximum" is confusing so many people. Okay, maybe the sentence is difficult to parse (I didn't find it so, but whatever), but it is not illogical in the least.
"Not illogical", eh? The writer was trying to give us a sense of the scale of this device. Usually, this is done by referring to something simple and direct—like maybe the traditional "smaller than a breadbox, bigger than a pack of cigarettes". But our author strikes directly for familiar ground—the average and extreme weights of hummingbirds. Right, I know all about that. On the one hand, you have those really small, pip-squeak hummingbirds that you can mistake for wasps. On the other, we have
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I believe, good sir, that if you were to examine the bong in your hand you would observe the following warning label: "Caution: Usage of the wacky tobbacky may alter one's sense of what is or isn't logical."
And if there isn't one, it was clearly an omission on the part of the Surgeon General and you should add it yourself. :)
But in not entirely all seriousness, there isn't exactly a tremendous range of hummingbird sizes, and anyone with any humming bird experience should have at least a ball-park idea of
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Nope. That sentence was perfectly constructed.
HummingDactyl (Score:3)
Jesus Christ look at that HUGE hummingbird! Why does it have a muffler? ... DUCK!
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Why does it have a muffler? ... DUCK!
To keep its neck warm!
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Jesus Christ look at that HUGE hummingbird! Why does it have a muffler? ... DUCK!
No, it's definitely a hummingbird.
badum-ching!
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Two questions.... (Score:1)
Could two of them carry a coconut?
And the size comparisons, were those for African or European hummingbirds?
Flight video of test criteria (Score:5, Informative)
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Excellent citation, thanks.
Just judging from watching the video in hi-res, it's more like a helicopter with individually variable prop angles than a hummingbird - it looks like it's limited to "body straight up" flight.
Still pretty astounding work for a prototype - but I'd be willing to bet a few dollars that something similar to this but with much more maneuverability - yaw and pitch - is on sale in department stores in maybe 5-7 years :-)
If anyone has any more decent info on this,
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A helicopter can technically loop the loop, too, but that's not the same thing as full sustained pitch control like hummingbirds can do (they can fly head-down)
Still pretty neat kit tho.
SB
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You're right, it does look wrong when it's flying forward quickly. It's appearance when flying slowly, or up, or backwards, etc, which are essentially variations on hovering, aren't that bad, but certainly if you watched it for any length of time it's unnatural nature would be apparent.
In other news... (Score:1)
Cool! (Score:2)
That looks like an awesome skeet target. And I'm sure anyone being observed by one in a warzone will agree.
Yummy (Score:2)
Methinks it's time to dust off the crowbar again :)
Good for Green (Score:2)
Quiddich!? (Score:2)
quiddich (Score:1)
Or cross between Harry Potter and James Bond.
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