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First off, I don't know much about these things so this thread is just as much for my learning as yours. Feel free to use it for discussion, questions, showing off your project or whatever. Here's two videos from a very craft Swede to get you into "holy gently caress I want this" mode. https://www.youtube.com/watch?v=4s4m0AXLTtQ https://www.youtube.com/watch?v=ozHoP_YThRI So remote controlled flying contraptions now have batteries light enough and motors strong enough that you can carry a high quality camera - and you can feed live video to a monitor or eyepiece, you can make the camera turn with headtracking, build autopilots and many other things. How? gently caress if I know. Here are some links: Very talented Swede: http://www.rcexplorer.se Massive forum: http://www.rcgroups.com/aircraft-general-130/ High end, high $$$ camera platforms: http://www.draganfly.com/ Frames to hang spinning, buzzy things off: http://quadframe.com/ Korean site with lots of parts: http://www.kkmulticopter.kr/ Site dedicated to live video feed craft: http://fpvpilot.com/ My goal is first to find out what you need, how much it would cost and how you put it together. What I want is something that is easy to fly and can take great pictures from points of view you normally couldn't access. Live video feed and fancy stuff like GPS and autopilot is not as important right away. One idea I have which I have not seen implemented is a parachute. A simple plastic canopy and some form of RC release could possibly save lots of money in addition to being very cool.
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Feb 3, 2011 23:27
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Manny posted:Kaptein Kuk HAHAHAHAHAHAHAHA! I remember a teacher who pronounced Captain Cook exactly like that when we learned about the great explorers. The whole class snickered at her English pronunciation as in Norwegian Kaptein Kuk means Captain Cock. That alone sells me so hard on that unit. Ahem. Anyway, that looks great. If I shamelessly copy you I'll be well off. How much do you figure it'll cost, sans tools and camera? Regarding a stabilized camera mount, what if just swivels under its own weight? Some smooth but dampened joints + gravity? Here's a video from a Norwegian FPV guy. https://vimeo.com/18097187 His Vimeo channel: http://vimeo.com/fpvleif/videos Article in Norwegian with some small pics of their rigs: http://www.side3.no/article3066772.ece
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Feb 4, 2011 03:21
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Oh I think there's definitely a market for that. Aerial videos as well. Think of a hotel or a theme park doing an advert. Getting helicopter video is easily four digits per hour. And you can get some quite amazing shots, going from up close or even inside a room all the way out to full landscape. I think the microfourthirds and similar cameras would be ideal - if they can give video out while they are recording.
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Feb 4, 2011 12:34
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ValhallaSmith posted:Optionally I think I'm going to see if I can make some sort of miniature TCAS receiver. What about a rather powerful TCAS transmitter and scare the poo poo out of airliners on final? But I guess that falls on the wrong end of that nitpicky "ethics" thing.  The information so far is excellent and Manny that is a very reasonable budget. Less than a GoPro camera! One thing I'm wondering is if it's possible to stabilize the machine in hover hold with gyros. Is it? The idea would be to be able to fly it in relative mode instead of absolute mode. Don't know if that makes sense but: Absolute: thrust lever controls thrust of engines, simple as that. Relative: thrust lever becomes more like altitude selector. Hold up to go up, when centered the machine maintains altitude by itself.
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Feb 4, 2011 16:06
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Snapshot posted:You'd need some sort of accelerometer/barometer/altimiter. Gyros only give angular rate information. Once you have that, all that you need is a control law to neutralize z axis movement. But a gyro should say when poo poo is moving and a controller should say "poo poo! poo poo is moving when I told poo poo to stay still." Airliners are perfectly capable (with some exceptions) of navigating across the world with only a gyro (albeit a very costly one) as their primary instrument. IsaacNewton posted:I'm not sure why the only interest in flying comes with the ability to mount a camera on the thing. I thought about this when writing the first post and my conclusion is this: It's not about flying a thing, it's about looking at something in a way you couldn't look at it before, with the added bonus of flying a thing. I.e. it's not about the craft filming the waterfall, it's about the waterfall, but the craft is really cool. And particularly when you can show it to other people in glorious HD. The past two years of my SA account are mostly dedicated to motorcycling and that interest was triggered by people on the internet showing pictures and video and writing text about their motorcycling. Display and conveyance, holy poo poo they are good motors for storytelling. (PS did you know there are enthusiast priced side scan sonar and ROVs? Yeah, I have no future which isn't already bought up by childish exploration at a prosumer pricepoint)
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Feb 4, 2011 22:00
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Snapshot posted:You're still getting some sort of linear input, via gps, or even by indicated air speed. Inertial Navigation Systems still have linear accelerometers in them. The problem with the gyros is that they sense angular data only - they don't sense movement, they sense rotation. If you move the craft such that it doesn't tip at all, as in a quad copter with contra-rotating props going straight up, you won't see any signal at all on the gyros. However without the gyros, you can't make sense of any of the linear data as you don't know the orientation of the craft wrt the ground. Ok thanks, I'm getting closer to wrapping my head around this. As long as the gyros can keep it level you could set to engine idle speed to = hover and down throttle means sink and up throttle means climb. That could be done on the fly on the transmitter right?
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Feb 7, 2011 16:48
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Most excellent post Manny! I shall be taking notes. I don't expect to get started before late spring, you posting pics will help a lot. 
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Feb 14, 2011 21:32
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Don't worry Manny, I'll spend so much time getting started so catching up won't be an issue. If my goal is stable camera platform, should I really be thinking quad? How big will the price difference be?
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Feb 26, 2011 21:54
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Ok, I'm usually a smug dick when it comes to learning poo poo by googling but I've been enjoying some slices of humble pie lately . But I think I'm nearing a crest on the learning curve and I will order some stuff come next payday. Frame and controller kit from the quadframe guy. Maybe I'll order some of the business bits as well, but the next phase is deciding on motors and battery and stuff. Gonna do some more forum reading before I start to have an opinion. I went by a hobby store in my town. So typical of other online vs brick&mortar experiences. Do I go for the ridiculously cheap online store abroad with the massive selection of parts? Or do I go with the expensive, extremely limited selection local store where the guy behind the counter doesn't even try to feign interest when you're not looking for one of the premium priced standard products? Oh decisions...
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Mar 8, 2011 20:52
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https://www.youtube.com/watch?v=Q5OZCWaJBdc Rather amazing headtracking POV F-16!
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Aug 30, 2011 20:17
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Horrible how? Response too fast or to slow? Does it want to turn too much or not enough?
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Mar 14, 2012 20:47
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Slanderer posted:my unpowered plane did that sort of dive-climb-stall glide (I'm sure there's a name for it) because safely crashing into a bench. It's a fun word to learn! http://en.wikipedia.org/wiki/Phugoid
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Apr 15, 2012 10:27
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