>>633788 >university is throwing a bunch of shit out from an old storeroom >professor asks me if I want the frame of an old quadcopter, with motors but no controller >fuck yes >get to the storage place >maintenance workers had thrown the copter across the room and smashed it apart Oh well, at least I got four strong motors out of it, each about the size of my fist. What's a good inexpensive and easy-to-work-with material to make a frame out of?
>>633818 >>633818 Depends on the motors, try to figure out their power so you can estimate the maximum weight they can lift (including their own weight of course). Then search for a fitting material. Fiberglass would normaly work, alu COULD, but only with some really efficient motors and you propably won't be abel to carry much weight. Other than that: Carbonfiber (it costs a lot more tho), Magnesium (could be hard to get tho), Balsa Wood could be worth a try (not as durabel, but lightweight, cheap and easy to machine).
I just wrecked my Hubsan X4 H107L and need something new around that size (preferbly something that uses 240-380mah lipo batteries, otherwise all my batteries and charger(s) would be without an use now). Wondering if I should just order a new H107L or get something else. ANy suggestions????
>>633877 you mean the one in the image? isn't that selfmade... I'm talking about prebuilt micro stuff of course. and to be more clear i also take helis into consideration. but all the micro helis i saw take 100-200mah batteries. i also dont want to spend too much.
i will soon build my own quad too by the way. I'm currently reading my ass through the forums and already learned alot of basics about software and hardware regarding quads.
>>633851 I think fiberglass is the most efficient and flexible. If it broke, all you have to do is cast a new part without any machining. Epoxy resin + 15% SiC fillings + 20% chopped fiberglass has the tensile strength as high as mild steel.
I have had way more then this over the course of 10 years of RC, My current regional racing platform is probably worth more then this whole lot. Including my Custom Futaba 4PKS and Custom hand milled chassis.
>>633851 This is the copter frame, and the motors. I straightened it out, but it's all bent and broken and I'm going to need to build a whole new one. The motors are Electrifly S-600. They seem to be pretty damn powerful, the website specifies the thrust as 19-21 ounces.
>>634813 >looks fucking terrible man Because it's been sitting in a basement under piles of junk for several years and was sorely mistreated. I just grabbed it for the motors and because it was free, what do you expect?
>>634818 i thought you made that shitty frame by yourself. anyway that frame looks horrible. made of metal, heavy as fuck. wouldnt even bother to set that thing up. maybe the engines are broken and will blow up your ESCs or some shit
>>634822 From what I've been able to find out, it was a failed student project from several years ago. Looks like they tried to make up for the weight of the metal by using very thin aluminum tubing, which also made it pretty fragile. Have no idea yet what I'm going to build the new frame out of. Some lightweight fiberglass, maybe. All the motors seem to work fine when tested with a power supply.
>>634828 Dude I'm building a hexacopter with a friend and we're building the frame from 3d printed plastic chunks with cylindrical cut outs. Then you just but fibreglass rods, cut them to size and fit the whole thing together. If you don't have a 3d printer you can get a company to print them pretty cheap
>>634840 Maneuverability and stability. I haven't actually built one yet, this is my first one but they just seem to be a lot more maneuverable. Also the mechanics are not as complex, you just have 4/6/8 rotors and you simply slow some down to create different movements, whereas with a heli you have a complex gyro-thing in the main rotor to allow you to tilt it, pretty awkward to make yourself.
But this is just my understanding, I'm pretty much a complete amateur.
>>634853 >A quadcopter is like an helicopter but with FOUR motors. dude, are you serious?
It is nowhere near as simple as that. Helicopters are faster, end of story. try to find me a quad that can go over 250kmh. you can't. fastest I've seen is 130. and the only quads that can do proper 3d tricks like a heli is that stingray quad which basically works like a helicopter, though it isn't nearly as quick as some helicopters I've seen.
>As far as I know, they are also better to control and a nice implementation of a Control System if you are an engineer and will program it. this is the only valid argument i know of. this and they're tougher and easier to maintenance.
>>634853 and already the fact that you connect a center part with 4 arms means shitty aerodynamic. a heli is merely a single part in the middle of the rotor so it's less air resistance.
>>634850 >blade mcpx nice, I've been thinking about getting the walkera mini CP to get into 3d flying, though from what I've seen it seems to lack alot of power. for example when you wanna do a flip to it you have to go high up in the air and as you do the flip you travel alot of way too. i've seen helicopters on youtube do flips literally in mid air, maybe changing position by a few centimeters. seems impossible with such a small heli, or can the mcpx do this?
here's an example of what i mean: https://www.youtube.com/watch?v=AluijV5unBA
does this have to do with the momentum or such? because the rotor seems huge while heli is small and beginner stuff like mcpx or walkera mini CP don't have such small body compared to rotor or is it really just power
>>634865 >that pisses me off that i find front facing hard, its not even a slight problem with my cars but as soon as its in the air it seems my mind goes blank. same here, especially when you're under stress because that thing is about to crash.
>>634883 Normally I would shoot footage of real estate or cross coubtry races that sort of thing. My copters never had the capability to carry a camera good enough for advertisement work, which is what the hexa is for (will carry black magic cinema camera)
I hope to shoot some high budget adverts and make that $
I got offered 5k to work on a toyota commercial back in 2013, but couldent carry the camera they wanted.
Still I do this more for fun than cash, and im pretty happy if the copters pay for themselves and their replacements.
>>634840 Helicopters developed a bad reputation for controllability. I don't know if it is still true now that we have multi-axis gyros and autopilots and all the rest.
Quads are relatively recent, and have pretty much always been designed around automated control systems. No bad reputation to overcome.
(Well, except for DJI's magic flyaway problem. I saw one video where the copter suddenly decided to fly about a mile out over the ocean before returning to its home point, all on its own initiative. WTF, why would anyone still buy them, knowing that their autopilots go haywire?)
Please dont do this. chinkshit can be good for your coordination but nothing more. They are generally super clunky and unresponsive, and dont fly like your homebuilt 450 will.
Once again, while there may be others, but I taught myself to fly really well on the 1SQ (I could fly before, but its what made me good enough to fly confidently) Also when you build your quad you need to think a little long term.
I think I could do a pretty cool youtube vid or stream or something on the process for you guys if enough people are interested....
Here is a video of a quad I built to prove 600mm quads could take smooth video. I would still recommend at least 800mm if you want to shoot video.
Unfortunately there are some gimbal probs, but to be honest its what you get for trying to wind the motors yourself.
Uh also please don't stalk me? http://youtu.be/rB6jhShYRIk
>>635235 What about Blade? Can you actually have features like return to home and that control mode that the copter will pitch and roll relatively to your remote rather than the copter itself like the blade QX has?
I don't plan on getting a prebuilt quad like that, just wondering.
I'm not the guy you replied to btw, I already have a little experience, though I only fly a hubsan x4 h107l so you can't really consider this real experience.
>Please dont do this. chinkshit can be good for your coordination but nothing more. They are generally super clunky and unresponsive, and dont fly like your homebuilt 450 will. Exactly, but you gotta remember that the Hubsan X4 H107L is waaaaaay smaller than 450. Way smaller. so it's only natural that it will be way slower. basically all i ever do with this thing is try to fly as fast and reckless as possible indoors for some fun and tease my dog in the garden with it. pic related. as far as i know you can't self build a quad this small.
Regarding building your own quad: I also planned to build my own quad though I'm still hesitating and got alot to learn on that matter. will a small 450 quad be very fast and responsive compared to smaller/bigger self made quads? I guess bigger quads may be able to lift a little more but aren't much faster and are less responsive as they got more mass right? i know you should learn first but I don't want to buy motors and other things twice, if i make a 450 quad I want it to be at the higher end of performance and not some cheap slow stuff. I'd just fly it carefuly to learn.
>>635269 >In my experience the bigger the quad the more stable and predictable it becomes. well, i wouldn't be bothered if it was slightly unstable. my H107L sometimes is very unstable but i always manage to save it.
what i want is just a fast and agile quad, probably will try to do 3d flying as well. at least a few flips and something like that. 550-600 sounds huge, yeah they may be faster in terms of endspeed but wouldn't they be less agile than say a 450 due to all the mass?
>>635271 I know that, but say if you tried to optimize a 600quad for speed and agility and a 450 one which one would be more agile? doesn't the distance of the motors to eachother make a difference? also you can put bigger props on a bigger one right?
Personally I really like how agile small armattan quads are, here's an example: https://www.youtube.com/watch?v=x5F-yJsZ0hM it's 260 size, so way smaller. isn't a 450 clunkier?
>>635279 it isn't quite as agile as I remembered it to be, well here's another example of a zippy quad: http://www.gizmodo.com.au/2013/05/this-is-the-zippiest-quadcopter-i-have-ever-seen/ I think it's just about 200 as well
that being said, I tend more to building a smaller quad around 200-350 but please correct me if I'm wrong about them being more agile. I guess it would also be more problematic to mount FPV camera on smaller quads because as you said they're less stable.
Smaller quads will generally be more agile, and actually are often FASTER than bigger quads. But I would stay away from anything under 450 mils for fpv, because mounting stuff gets really annoying, and your flight times go down like crazy.
Remember, the bigger the props and the lower your KV the longer (generally) your flight times will be.
For you, go with 450-500. If you want a bloody fast little demon of a quad build it from sub 1mm thick aluminum round tubes and run some higher KV motors. I have heard that is generally a pretty damn fast quad - though I have not built one that size myself
>>635366 fact of the matter is anything CAN record smooth video.
It is just absurdly impractical to get something at 350 size to do it properly. That phantom has had a shit ton of work put into it.
The smaller the props, the higher frequency the vibration and the more violent the vibrations that get to the gimbal.
This means a lot of work to properly remove vibration.
We are talking carbon props that are meticulously balanced, high end bg and even then you will absolutely have to post stab the video.
And if you ever so much as nick the ground with the props you better cry, because you will have to completely re balance them.
On something like an 800 or 700 size the tolerances are MUCH higher. On my 1000mm hexa some minor balancing on the 14 inch CF props produce video that is so smooth there is absolutely no reason to bother post stabin it.
Also the heavier the camera the lower frequency and the smaller the vibration induced. With my hexa and full 3 axis gimbal + bmcc (weighs about 10lbs) there isnt really a need to run any dampening between the frame and bgmbal (I still do) since the oscillations are so low frequency and so low in magnitude. (think of the BG assembly as a pendulum)
so lets say each motor produces 10N of vibrating force (arbitrary) notice that as soon as the mass gets relatively large, the acceleration shrinks to almost nothing.
If you want to shoot video in windy situations or at speed, you can forget about it on a small quad. I mean it might be possible, but the work would be absurd.
When I have some shots from my hexa done Ill post them for comparison, but it is much smoother than the video you linked. MUCH smoother.
>>635364 Not sure what you mean by that. IIRC the video is from Malaysia. Scooters are an ordinary, normal, common means of transportation there.
Same here where i live. All I have is a scooter and the subway, and my pay is in the top 20% of U.S. incomes. It just isn't worth having a car except to impress stupid sluts, and I can do that well enough without one.
>>635609 You will spend more than twice the price of the copter to make it even that stable. And the amount of work is stupid crazy, and that stability is far from ideal.
If you want to shoot good video it will take a lot of work regardless of what platform you use - it takes a ton of work to get big hexes and octos to film well even (between tuning, balancing both the gimbal and props). But on smaller quads you are looking at a multi month project if you haven't done it before.
Also you will essentially ALWAYS need to post stab your videos from a dji/smaller quad ( takes upwards of 4 or 5 hours per edited video)
Dont get me wrong, DJI copters are "worth some money"
Maby 1/3 of the price they sell at
But with shit materials and a mediocre flight controller, definitely not the absurd prices they charge you.
>>635672 I don't know what the fuck you're calculating but I paid $70 for my gimbal. $25 for a control board, $10 for two motors and a gimbal PTZ kit from goodluckbuy modified to carry a mobius.
$7 for a pair of CF props, literally 80 cents for those vibration absorbing knobs that isolate the gimbal from vibration (which there is almost none of if you balance your props correctly, with a fucking dremel and two pieces of cardboard.
A 70 gram CF landing gear that you can modify to be retractable with $14 retracts costs less than $25. I've bought the landing gear in your picture too once, it was shitty plastic and weighed over 240g IIRC.
Aluminum 550 kit for $12, 4 ESCs for $35, a MultiWii (previously KK2) board for $30, two batteries for $10 each, receiver for $6, 9X TX for $75. FPV equipment goes for $60 for a 5.8Ghz receiver and transmitter, $16 for dedicated FPV cam.
Prices are all Hobbyking, Goodluckbuy and RCTimer.
You can be up in the air, with a gimbal and FPV, for $300-500. Without the gimbal a newbie to the hobby can build a good performing quad for $150 or less (not counting mandatory equipment).
>>635699 But it's not because as far as I understood all software features the dji offers can be legally obtained when building your own quad. That's not the case with Macs for example, can't get OS X on your selfbuilt PC legally
>>635701 >compares a canter levered wooden gimbal with no proper vibration isolation to a 2 axis cnced, non CL 150T BG
7$ CF props? You did not but CF props unless they are 4 inches long.
Those vibration nobs literally do nothing but turn your gimbal into a pendulum. You are an idiot or using them mate - they have a damping frequency of like 60hz.
For my builds I ALWAYS use good components I trust. I often fly cameras worth more than a thousand dollars on large 3 axis gimbals. Dont try to compare the two. ( my build list was for a quad I would trust carrying a bmcc)
If you want an fpv rig why would you run a fucking gimbal on your flight camera
>>636351 KK is shit, has ONLY attitude hold option. MultiWii is just plain shit, too slow, too low resolution on the sensors. Get the HK APM one, 2.5 and 2.6 are super stable and the autotune option is awesome.
>>636469 I got this, still waiting for it to arrive http://www.goodluckbuy.com/side-pin-apm2-6-ardupilot-mega-2-6-external-compass-apm-flight-controller-board-w-cjmcu-108-h-gps-for-multicopter.html
I've seen all kind of controllers at our club and ArduPilot is by far the best quality/cost wise DJI Naza is like a mac, you put it on, set 3 gain parameters and that's it, It works but you can't do anything to get more out of it. Plus it's sensor board will fall of inside the plastic case and plummets your copter into the ground. So as it was mentioned above, DJI is shit. Multiwii I've only seen it crashing, my friend spent almost 2 years to maiden and to set it up for at least decent flying. KK is a barebones thing, it can stabilize but nothing else.
>>636476 The Blade 350QX is a phantom knock-off and is shit. Don't even bother with it. Arducopter firmware has Loiter mode which for example will make your quad go right when you move the stick right regardless of which way it is faceing. Ready-made quads are bad and overpriced, you should avoid them as far as you can.
Just for comparison my build costs half as much as the Naza controller itself, not including FPV gear. That is a sturdy frame (HK X650F), 4 motors (DT900 from HK), 4 ESCs (HK blueseries 30A), propellers and the above mentioned APM 2.6 FC. FPV gear will be twice as much as the quad (including HoryzonHD camera), and then I'm still better off than a used Phantom or a Naza quad alone without any camera stuff.
>>636480 >The Blade 350QX is a phantom knock-off and is shit. Don't even bother with it. I won't get any prebuilt quad, no matter if blade or DJI. though as far as i know the Blade 350qx is faster than the dji and has some cool gimmicks. how do i get all those gimmicks on a prebuilt
>>636498 yeah, i guess real men are able to bring their quads back even when the remote fails. something like a function where it automatically flies back when the remote fucked up would be nice you know
Wait why is everyone saying the DJI NAZA flight controller is bad?
I've been flying/crashing/fixing my two quads that I got RTF (as gifts) for a while and I want to build a more powerful one myself this summer. I only understand the basics, but I want to give it a try and I have been doing some research.
I thought NAZA would be a good choice, for someone who has never done a build before. Would APM still be better? Even for a beginner?
>>636577 real modelers take it into consideration what could happen when the radio link fails, or the quad gets lost in the fog/under the tree line/simply just loses orientation, and that is when RTH matters the most.
>>633788 How hard is it to build one from parts? I just want a decent flier that can handle low to mid winds and has potential to hold some sort of camera. I have experience building PCs(hurr durr pretty pleb) and I love putting things together. Never soldered anything but I can learn. Anyone can link me to any good info/sites, recommended builds? Thanksssss hopeful RC buddy in the making here.
What's the verdict on AeroQuad software? I've got a quad off the ground for a grand total of a minute or so before crashing it. It cost me like 250 euro in total. I'm planning on upgrading it to a octa with FPV view. Before doing that however I want to know how decent aeroquad ranks in the world of RC. I want full GPS and autonomous flights in the future.
>>634857 Your statement proves no points, A v-tail quad can be made to go faster than a heli by far. Also, by fast, some people mean acceleration. Another advantage is the fact that quads are intended to carry a load. One really bad thing about quads is that they will always be less efficient in comparison to helis due to the size of the props they have. I will be posting my octo that is currently mid build. 6'x6', weighs 8kg, made of aluminum, and with the current motors I have it will probably have 16kgs of thrust with 14" props.
>>636823 Motors are 820kv donkeys, Escs are the 70A red bricks from hobbyking, controller board is Ardupilot 2.5, have a gps module. Looking for more affordable batteries, currently have 3 5Ah 25c Turnigy's. For FPV, I'm thinking of http://www.foxtechfpv.com/foxtech-13g-1500mw-video-transmitter-p-1003.html and the receiver which is its pair. For a camera I was thinking of the KPC-650CH. I am also looking for an affordable infrared imaging system that I can use to locate wildlife in the area.
>>636830 >affordable infrared imaging system Ras Pi is coming out with an IR camera soon. You would probably have to filter and post-process to detect heat signatures from animals, though, as compared to just warm trees.
Dont get shitty remotes...its quite simple, If your not a cheap ass, the last thing on your parts list to fail should be your transmitter. You are probably a Spektrum remote user, and have accepted remote failure as one of those things you cant prevent.
>>636898 >>636920 Turnigy 9X with ER9X and FrSky module is good, but buying an FrSky Taranis with OpenTX installed and 16! channels module with a possibility of adding another module is even better. Cost is mostly around the same since you will have to spend $150-200 on the 9X in the first place. Plus the Taranis have ball bearings on the gimbals. Get that and you'll be set for a while altough setting up a model can be a pain sometimes. If you want to do more than FPV and multirotor, than I can recommend Hitec Aurora 9, german made, precision dual ball bearing gimbals and the firmware is easy to handle. 3.2km range guaranteed, we measured it at the local club.
>>636920 BTW Spektrum IS shit, DSM, DSM2 and DSMX is shit, the pots are shit and the support is shit. Receivers shut down at higher voltage than the indicated value (3.2V compared to 2.6 Futaba, 2.7 Hitec and 2.9 FrSky) Don't get Spektrum, seriously, if you have one and want to fly multirotors and FPV, sell it and buy a decent Tx. You WILL lose a model to that bag of shit
>>636853 >hurf blurf guise this top end world record holding heli is faster than a hobbyist level quad
Not who you're responding to, but that's really kind of a bad benchmark of which is faster. A better one would be speed to cost. I'd assume helis would still win though.
I honestly don't know why this was ever an argument itt. If your main concern is speed, helis are straight up pleb tier. Get you some beefy EDF.
People don't get into multi-rotors because of speed. The stability and maneuverability of a multi-rotor absolutely shits on a heli, and helis have been relegated to being a compromise between the speed of a plane and the hovering/maneuver ability of a multi-rotor.
>>637578 >pleb tier >harder to master Pick one tl;dr: quads are for noobs, helis are for pros who want real flying. Look at some world record 3D flying champions, their heli is rock stable in the air yet still does fancy 3d stuff
>>638331 There are some platforms that don't have a controller board. I've heard the flyer of one say that he prefers flying it that way as if something goes wrong, he can still bring it down safely(without killing people)
>>638474 Well there is this older version of the quite popular Tricopter V2.5. Still needs gyro stabilisation for all axes. I'm not denying that some helis and planes use that too. But they are atleast possilbe to fly without gyros.
>>633788 >https://www.youtube.com/watch?v=Scj8_XEEL1A a guy I work with bought one of these (a pretty cheap one IIRC, it has a styrofoam ring around the whole thing) and I saw him fly it around at work one day. one thing I saw was that if you bump it into ANYTHING it becomes instantly un-flyable--it flips over and crashes.
the reason seems to be that the gyros only reset when you literally turn the quadcopter on--when you flip the switch on it. you have to put it on a level surface, flip the power switch and let it sit for like 5 seconds for the gyros to start.
he was flying it around in a warehouse and it got stuck a few times because he would try to fly through a narrow doorway or air vent and bump the sides. and then he'd have to climb up to it and put it on a level surface, and flip the power switch on it off and on again
this seemed to be a major drawback of how the thing worked, but it was cheap and maybe the expensive ones do better. plus his just had normal propellers, so it could not fly upside-down,,,, and half the time when it crashed its gonna hit the ground upside down :|
>You can be up in the air, with a gimbal and FPV, for $300-500. Without the gimbal a newbie to the hobby can build a good performing quad for $150 or less (not counting mandatory equipment).
Can you point me into the right direction for a good manual how to go about one of these routes? I have some basic skill in soldiering and easy electronics, but nothing too advanced and I know shit about programming.
i didn't want to make a new thread but i guess since you guys can build quadcopters you'll be able to help me. i want to build a cooling box (pic related). i have a 12dc thermoelectric cooling pad, an insulated box, a couple radiators and a 12dc fan.
the thing is i want to regulate the rpm of the fan via an NTC (and maybe the power available for the thermoelectric cooling pad.
is this a good idea and why not? what would be better?
I ordered a Hubsan X4 H107L on 6th may from banggood and it still didn't arrive. on the tracking website (DHL) the last status update was on 16th may and it says "The shipment will be transported to the destination country and, from there, handed over to the delivery organization. "
>>644931 If you feel comfortable buying something like that off of a Chinese seller on Ebay wherein something could potentially go wrong and don't mind, go for it.
>>644998 I spent about $300 on the quad, I'm not gonna tally everything else required like FPV goggles, radio, batteries, chargers, etc.
It's a fun little thing. It fits into small places quite well and is durable as shit. I can't tell you how many times I've drilled it into the ground and had it tumble, only to replace a prop here and there, plug the battery back in, and keep trucking. No GPS on this little guy, I usually fly within under 2 minutes walking distance so no real need for it. I could put GPS on it if I wanted.
>>645036 Well duh. You have to kinda know how one handles, how much space you should give it, how to poperly set one up and the most critical factor is knowing how to hover. Shouldn't go with anything larger than a 250 sized CP unless you're comfortable with all that.
If you want a challenge, get a Blade MCPX-BL. It's a stupid powerful brushless helicopter that needs a buttload of room, but isn't gonna do a massive amount of damage should something go awry.
>>645090 About 5 minutes. I could get it to go longer, but I'd feel the weight penalty on this setup. I've got a better build that'll be started soon, full CF frame, much more powerful motors, it'll be awesome.
>>645095 Just stick to the Hubsan for now until you know how to fly. Best thing.
And don't worry about shipping time, many things can take a few weeks to a month to arrive if coming from China. Just be paitent.
As for the building aspect, all it requires is to read up on it all. It's not nearly as daunting as it seems once you've read a bunch of information and know what's what. Dare I say that multirotors are the easiest RC craft to build. They're mechanically simple which is why they're great. One control board, one frame, 4 motors and ESCs, some props, a receiver and a battery.
Take a read through this, it aught to help. Just remember though, that no amount of preparation and building will help you if you don't know how to fly, so get that down first.
>>645100 >Just stick to the Hubsan for now until you know how to fly. Best thing. >Best thing. I hope so, because this is actually my second one. I wrecked the first one. I hope the chinks will send it to me and that I won't get too much stress with the custom (germanfag here)
>>645095 for me, i chose esc's on a number of reasons
firmware - must be able to flash firmware easily weight - light as possible amp rating - if a motor, pulls 20a, get something that can take that and more, my motors are rated for 18a, but i use a 30a esc size - must be able to fit in tight spaces
also try and get ones where you can re-solder the leads, this was a godsend when re-wiring my H quad
>>645103 I say best thing because it's cheap and will teach you to fly. The only thing better than it I'd suggest would be a Blade NanoQX. I learned how to fly one one of them and still love flying it. The damn thing is stupid durable and far too light to even have any damage when falling.
>>645104 >firmware - must be able to flash firmware easily see, you even gotta flash the fucking firmware of the ESCs. such a pain in the ass. why cant you just buy them with simonk which is apperently the best
>>645105 >The only thing better than it I'd suggest would be a Blade NanoQX i took it into consideration but heard that it is absolute shit. Less flight time, less speed, less everything. only thing nice is the built in rotor protection.
>the damn thing is stupid durable haha, I wish.
>and far too light to even have any damage when falling. Are you a Hubsan shill?
Don't get me wrong, the H107L IS nice and durable... but not "stupid durable". if you fucking crash it at high speed it will get wrecked like mine.
>>645113 >such a pain in the ass. why cant you just buy them with simonk which is apperently the best This is why you gotta do your reading. There are plenty of sellers selling ESCs with SimonK preflashed. Some however like that gent and myself, like to have the ability to do so ourselves so we can adjust settings to our needs.
>>645114 >i took it into consideration but heard that it is absolute shit. Less flight time, less speed, less everything. only thing nice is the built in rotor protection. Eh. I haven't flown a Hubsan to know the difference, but the fact that it's readily available at plenty of LHS is a plus, and they use the same battery that most of Blade's UMX line uses, meaning I can use those batteries for a variety of micro craft.
Which leads to the second point, you're mistaken. Those other points were about the NanoQX, not the H107L. I have no idea where you got that idea. If you crash the NQX at high speed, it'll bounce off of whatever it hits, you pick it up, and continue to fly
>>645120 >This is why you gotta do your reading. There are plenty of sellers selling ESCs with SimonK preflashed and none of those are in europe right? fuck i hate importing shit. expensive as fuck, no warranty and it may never arrive
>>645127 Pardon me, you're correct. I assumed they were available in all the warehouses.
Either way, order them from the international warehouse. Shit, HiModel has a bunch of BLHeli ESCs that are dirt cheap you could use. If you don't wanna import $40 worth of ESCs, then buy something prebuilt and save the hassle.
>>645134 >Two: why wouldn't customs give them to you? I've heard of several cases where they didn't give you lipo batteries just because made in china or something and they are dangerous. solely due to that.
now ESC isn't a battery, though sometimes they say that a german manual IS required (an d it must be german, not english or anything) otherwise they wont give it to you. or you need some fucking certificates first. and good luck asking HK for a bunch of certificates which they obviously dont have because otherwise they would have sent them you anyways.
oh and you're not allowed to translate the english manual to german yourself. in this case you must ask HK as well to send a german one and of course they fucking wont have one.
Tried to go as light and budget as possible for the size. Barely had time to work on it the past months. Nowadays I see 250 size quads with front mounted gimbals. Would've been a much cleaner solution for my goals.
>>645163 >never once had an issue What country are you in? From your written English, I'm guessing USA. In case you didn't notice, the person whining about problems is having them because of his country's Customs laws (as in "Customs and Border Patrol" for USAians) requiring that manuals be available in German.
I've seen similar problems in other countries where packaging didn't have required labeling (such as the EU's new "electronic waste recycling directive") and so were rejected by Customs.
>>633959 >I have clocked it at 57mph on the GPS You do know GPS readouts are based on mouse movements captured from children playing online games released by the Jewish media conglomerate right? Artificial satilites, who the hell believes that shit
>>646418 The Kittyhawk/Tomahawk/Warhawk was P-40 There is no such thing as a P-41 Get your shit right!
Regarding your question, the answer is the ImmersionRC 600mW 5.8GHz set. You must order circular polarized or "cloverleaf" antennas for it. Don't mess with fatshark goggles, get a 7" LCD, you can mount it on your Tx
>>645408 It's funny, because the UK is where my company always ends up having problems with Her Majesty's Customs service. "Oh, you must pay our 20% duty on imported goods, pip pip cheerio you Asian swine!"
Anyone played with the Crazyflie? i just saw one in a shop this evening, and I'm wondering how hard they are to fly.
They also don't make it really clear how to control them. There's one R/C system they say will work, but you have to reflash the R/C transmitter first. There is some mention of using Linux to control it remotely, and some mention of using an Android phone, but I haven't been able to find a single site that gives clear directions on what is necessary, how to get the software, whether it will work with my Samsung Tab 3 or not, and so on.
I'm also a little put off by their selling a "10 DOF" copter, but then saying that they don't provide any firmware support for the new sensors they added to the old 6DOF. What good are the sensors if you have to figure out everything from the firmware on up?
Finally got a shiny carbon fiber frame in for my build. She's gonna be a beauty when all's said and done. I've got the frame sitting in a box of everything else that I'll be using for the build, it's staring me down every time I look at it.
>want a cheap quadcopter, but powerful >look at arducopter >200+ dollar for the controller board alone >get aeroquad board instead I just found out the APM boards are sold for around ~60 dollar if you don't look at the official store Fuck this gay earth
>>647824 Were you looking to do long range FPV, where you'd actually require GPS and a compass for OSD? Just be aware either way that any full GPS setup is gonna cost at least $60, and chances are most will cost a fair bit more. I suggested a cheap Multiwii controller to learn how to fly. For learning line of sight all you need is a board with gyros, and of course an accelerometer is just an added bonus for self level. You can still do FPV with the basic equipment too with no need to complicate it with GPS, it'd just require a little more caution.
Hell, you can probably score a deal on a full Naze32 board and a GPS for around $70 if you look hard enough. Add 15 bucks for a MinimOSD and you've got a full control setup for FPV for under a hundred bucks.
>>648008 Any cheap gimbal will probably work. You could get one of those brushless gimbals off of GoodLuckBuy that go for like 70 bucks. Unplug a couple wires to rotate the gimbal and you can set it up like this gent did with his Mobius.
A tricopter could end up being lighter, but it's also producing less thrust because of one less motor. That said, yaw authority is unrivaled on a tricopter in the multirotor world and can be very smooth, which is great for 'swoopy' shots when flying FPV, and there's also less prop wash to get in the way when making fast descents. They can also be folded up nice and small, like in David Windestål's design.
Quads on the other hand could carry a little more when considering the same size and components, are easier to build and are a touch more crash resistant as you don't have to worry about the tail mechanism.
If I were to build a larger FPV rig myself with the intent to capture general flight and FPV footage, as all I fly right now are the mini-H FPV quads (see >>647786>>644811) I'd build a tricoper. If I wanted an acrobatic flyer or something that can lift a brushless gimbal for smoother shots, I'd go the quad route.
I've got a little acro tricopter too that I felt like building for shits and gigs, might I add >>645100. Shit's fast.
>>648025 But tricopters are more complex because they require a servo on one motor to rotate it. The weight savings isn't much (if anything) and the added complexity can be a killer if the servo mechanism, the motor mount, the pushrod, or anything else comes loose.
>>648131 That's why I said it depends on what the gent is looking for.
A quad is going to be more durable and be less mechanically complex than a tri, that's common knowledge. If it comes down to learning how to fly, a standard quad would be best simply for durability and how easy it is to build. A tricopter has it's uses, it just depends on what you want. TBS use their quads to get some crazy footage just as others do with their tricopters. It's really just a matter of preference.
Not to mention, it doesn't matter if the mechanism itself or motor/motor mount fails, if something happens to one motor/prop/mount on either, it's coming down regardless. This only becomes somewhat negated when you move to hex/octocopters with controllers that can give some semblance of control with a motor failure.
There's also a V-tail quad, which is somewhat in between the two. Mechanical simplicity of a quad, orientation and tail authority similar to that of a tri, the issue becomes how you mount the rear motors at the required angle.
>>648170 >This only becomes somewhat negated when you move to hex/octocopters with controllers that can give some semblance of control with a motor failure. If you programmed the PID controller in any way that's stable, it should auto-stabilize within milliseconds after failure.
>>648911 Read up on FPV, there's a load of shit to take in before you can even consider FPV, like which frequency is best for you, the pros and cons of each, which frequencies are actually legal for use in your area, interference with radio systems, and the list goes on.
I use goggles myself. Love that full immersion experience.
>>649043 You could wait for the Parrot Bebop drone. I'm not a fan of prebuilt OEM style machines personally, but you're able to hook up the Oculus Rift to it when flying to get that type of control for your view.
>>649059 >You could wait for the Parrot Bebop drone. I'm not a fan of prebuilt OEM style machines personally, but you're able to hook up the Oculus Rift to it when flying to get that type of control for your view. It's more a problem of range really. If i could up a radio to a PC that would be great actually.
>>650050 I thought that the pressure differential gets higher when you link a lot of fans up in series? So like, six fans 120mm going at 1000rpm linked together would be enough to at least clear the crumbs off your desk, right?
>>649999 I dunno, some cheap $7 module off of Ebay. It'll be used to communicate with the flight controller for tuning purposes.
>>650048 The amount of air they move is a very small fraction of the air that a normal prop+motor setup on a quad would use, with plenty of other reasons why not to use them. You can try it all you want, we're letting you know you'll fail if you try.
>>650115 So what would make it "properly designed", then? I know that they lose a bit of efficiency if you don't have perfect blades/vanes but surely there is still enough of a pressure increase to help, no?
It doesn't matter how you spin it. If you have a device capable of producing 1% of its weight in thrust, get a bunch of them, and stick them together, what you end up with is a group of devices that, collectively, produce only 1% of their total weight in thrust.
Thread replies: 277 Thread images: 52
Thread DB ID: 1182
All trademarks and copyrights on this page are owned by their respective parties. Images uploaded are the responsibility of the Poster. Comments are owned by the Poster.
This is a 4chan archive - all of the shown content originated from that site. This means that 4Archive shows their content, archived. If you need information for a Poster - contact them.
If a post contains personal/copyrighted/illegal content, then use the post's [Report] link! If a post is not removed within 24h contact me at firstname.lastname@example.org with the post's information.