Micro FPV Quad

I would advise using a prop with 2 blades rather than 3 as it would be more efficient due to airflow. Also what transmitter are you using?

aalejo

its too heavy and the source will be 500mah jesus make it 5000 or 10000 9volts to make it up in the air longer and more trust and make trust me will do the work

naja452I don't think you have ever built or flown a multirotor, This thing probably weighs half as much as a 5Ah battery, he might be able to double the battery but thats it. .5Ah will work fine.

aalejo

i make one but i use a motor a dvd rom i try it with some microcontroller and some for bluetooth mech is been working and pretty enough to much power its to much trust and its much better

ke4cpc

A lot of Acronyms, please provide a glossary or a link, if possible. I'd like to try and make something like this with my two 11 year olds.

I_build_cool_stuff

ESC = electric speed controller

FPV = First Person View

CF = Carbon fiber

Hope that helps

Cabbages and Kings

Thank you, I was thinking exactly the same about all the TLAs!

CT4

You do not mention the CofG position I take it that it is in the center of the body equidistant from each of the props? Interesting thoughts on the 3D printing. Not too sure you could get it ridged enough on this size of quad. A hybrid though would work. Print the main RC chassis and use the carbon fiber motor arms and maybe print the motor mounts to go on the end of the arms.

sqij

Yeah, the CG is in the centre (ie. diagonals from prop to prop). Props are in a square config.

eserra

A list with an extimation of the total that you've spent would be very useful :) !

sqij These are estimated further down in the comments, but the basic gear (minus fpv) is about $120-$150 from HobbyKing. The fpv camera I put in it was about $35, and the 5.8GHz tx/rx pair is about $70. There are misc bits like power harness cable, props, CF tubing, etc, but these are fairly negligible.

deejayq

do you think that instead of mdf it would be better to use balsa wood?

sqij No, definitely not. Balsa would be far too brittle. Best would be a custom-cut CF sheet. But they're pretty pricey. The 3mm mdf is about the best strength/weight (and cost) that I've found.

truckingman

I was wondering if you have any video(s) or plan on taking some of your 'micro quad.' Can you please post the link(s), thank you.

sqij

Yeah, there's a video I posted on Google+

https://plus.google.com/100118944858308524623/posts/dmfuZoCtRCc

dark-shot666

This looks great for a scratch built machine. You know the AUW?

Sidenote, I hope you'll be tossing on a pair of circular polarized antennas for when you do FPV, your video link will be greatly improved by doing so.

sqij

235g without FPV gear, 290g with.

Yeah, I have some circular 5.8s, but I think they got damaged in a crash a whiles back so reverted to the standard antennas (for now).

Diogo o criador

parece ser legal

gfreire57e facil ne

samern

I've been looking at various FPV quads here and on Thingiverse. I think you would do well to get the design into a 3D printable STL. For example, if you draw the base plate and arms and motor mounts as one piece and then the body on top as another, you've got something all of us can print (and in fact, you can market) because you can print as many identical components as you need. If you don't have a 3D printer and don't want to get one, I can print a few for you. Next is the motors. If you stick to the brushless variety, your mounts can be consistent (and printed separately) because most motors you would use would have the same mounting hole pattern. If you have any other drawings, please post them. This design is great! I love it!

sqij

Wouldn't the parts then all be in whatever the nylon/plastic that the 3d printers use? I don't think it would be very strong if that was the case. Having the base and motor mounts CNC cut from carbon fibre sheet would be excellent, though.

samern

They will be plenty strong, especially if you use 100% infill. I have printed several (larger) quads and they hold up great with motors, ESCs, control boards and batteries. If you print in ABS, they will be very strong. The other thing you can do is also use the originals to cast the parts instead of print them. So you'd print the parts, then make molds out of them and cast as many as you want out of whatever the mold can stand (like resin for example). But the honeycomb structure of the printed parts, especially the shape you have there, will take a lot of abuse if you print them standing upright (the longest dimension in the Z axis). You can CNC the parts out of blocks of plastic too so long as all your holes are in the vertical plane.

sqij

Interesting. Seems like most people use SolidWorks for cadding up these things. Is there any cheaper way to get started?

Also, would the arms need to be thicker than 4mm sq, which is what they currently are (in CF)? Ie. Some mesh design that's thicker, like in most quad arms in commercial kits.

samern

I use TinkerCAD for quick stuff like this. Browser based and easy. Get in Thingiverse.com and search for FPV and you will see some good samples.

ghaines2

sqij

i don't think so. Its a bit too small a frame for that.

ghaines2

ah ok cool no probs

bremus

No, that would be to heavy for this Micro quad. That said, a quad that can lift a gopro wouldn't cost much more to build than this one. The most expensive parts (transmitter, receiver, fpv gear) remains the same even on larger quads.

sfurqan2 days ago

i am here in abu dhabi how can i get complete set circuit.
how much is price. i will pay on delivery.
whitepearl.advnpub@gmail.com

dzervas

Can you give me the exact link of the parts you used, without the camera gear?

How much did it cost to you (no camera)

Is there anything cheaper that I can buy, by sacrificing camera compatibility?

BTW: very good instructable...

sqij

i bought all the components from HobbyKing. You can do searches for the parts I've listed on that site. Not sure what they total, but around $120 to $150 for basic gear. Another 30 for camera, 70 for video tx/RX pair.

dzervas

ok, thank you! :)

jfarhoud4 days ago

This is awesome, would it be possible to buy one premade from you

sqij yeah, I could build you one. Were you thinking one with all the electronics or would you use your own? With or without the Fpv gear?

short_fuse I'm also interested in one premade from you with FPV gear. how much would it cost

sqij prob is there are so many different types of Fpv gear, and not sure which is legal in your country? Eg, 5.8GHz. I've heard 1.2 and 1.3GHz gear is awesome, but I'm still not sure on legals her in Australia.

Also, not sure what kind of ground setup you're into? Goggles or monitor?

I could do a camera install, but would prob be best if you found video tx/RX and googles/monitor yourself. Actually, even with the camera choice, there can sometimes be incompatibilities with video tx/RX. You mostly just choose NTSC or PAL, and make sure your ground setup can take that.

eben89

1.2 -1.3 Ghz are illegal here in Australia unless you have a amateur radio licence. I swear there are new rules appearing every week tho.

eben89

I have also heard its better to have your radio control frequency lower than your video feed so the signal is stronger or you risk losing control before you lose video feed. But if its field tested and you fly well within the limits it should be ok. I think most people that use 1.2ghz -1.3 ghz also have long distance radio setups for this reason such as dragonlink or old transmitters of lower frequencies. Not that it's legal but at the moment it is hard to enforce I would think. I think 5.8 ghz is perfect for 95% of people and the antennas are smaller.

sqij

ah, thanks for clarifying. Would love to get one of those setups, tho. Apparently goes right through walls. Don't have to worry about line of site.

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