RekonFPV Rekon35 2S 18650 MicroLongRange Quad
This is another dave c fpv design, uh designed to run on two 18 650 lithium ion cells with three and a half inch props. This comes in a variety of versions of different receiver versions, also digital and analog. This one here is the dgi version or the a digital version, and it has a different frame here with a bigger bottom section here for holding the air unit or the vista. The dji version comes in two versions. You can get this one here with the cadx polar camera or you can get the run. Cam version, i think, is the link camera, i believe, or the run cam hd and then, of course the analog version has a different frame and then comes with the zeus. 350 milliamp milliwatt video transmitter because the video transfers is much smaller. This bottom cage section is also much smaller. This comes with uh 1303 motors, i dont know sorry. 130, 3.5, 500 kv motors. The gem fan three and a half inch propellers. You got the battery tray there um. This is a single bottom plate here, m80 gps. You got your hammer antenna here in the back. This one, of course, is left hand polarized for dji, and then you got your camera mount here in the front angle is adjustable and your camera mount for your go to camera or some somewhere naked gopro. The flight controller in here is an all in one. Its called the zeus 10, so the esds are 10 amps rated.
It is in a kind of a strange orientation there, its a whoops whoop sized flight controller, but it is rotated 45 degrees. So when you look at the way the usb port is accessible, here is a little bit blocked by the uh cable, the mipi cable from the air unit and theres a right uh right, angled adapters, youre gon na need to get inside there to connect to the Usb port, so this is, in my opinion, not great in terms of the design, because using those right, angled usb adapters, if youre not really careful, you can rip off the usb ports, so be careful when you are trying to access the usb port on these, because It can be easy to rip those off if youre, not careful. So my version here has got the crossfire antenna here, the immortal t. Obviously your receiver version might be a little bit different. So on the battery tray here there are markings and it might be a little hard to see there. You can see the plus there and the minus there be mindful of that. If you plug in the batteries backwards, you uh well uh at least youll probably burn out the flight controller and at worst you may cause a fire. The batteries might explode, so yeah be careful that um. You can see here that they on this side, the positive and the back and the negatives in the front, so its a 2s setup, so theyre lined up in series.
So the positive and the negative here in the back are connected, as you can see through this wire thats, how series or 2s batteries are set up so be very mindful of the positive and negative on your battery. So you dont have a big time problem now, if you recall, i did a video on this guy here which ive stripped down this is the eu sheen nano lr3, which is also 2s, but in a different setup here with the battery on the top and the Bottom, but only uh can carry 3 inch propellers, although it has the same size, motor 13 or 3.5, but a lower kb. Oddly enough, uh 4500 kv instead of 5500 kb, so it has similar parts. I think i think this is probably also from hdrc but the rebranded eugene, but in if the scene, as you probably saw in the previous video on this one, i stripped it out, and i did a conversion ill link that video in the video description, if youre Interested to know what happened to this guy and what to do with it but yeah. Basically, the three inch prop is too small to carry two uh large 18 650 batteries, just uh youre at huge amounts of throttle 60 most of the time yeah. It does have a pretty good long flight time, but its just kind of like flying a uh like a semi truck. It just did not have a very good maneuverability or agility at all, but it flew and of course that was analog only this is dji um.
With a three and a half inch drop makes a big difference in terms of carrying the weight around. I did fly without the camera and with the camera and in the flight time at the end, youll see the differences in how they fly. Every gram seems to make a difference on these heavier setups here, but let me go ahead and show you how much this all weighs. So the this is the dji version, its 150 grams. The analog version is going to weigh less. I dont have that i you can check the link and i think its listed on the product page. Just if you want to know how much it is its going to be significantly less now with the batteries now, i think they were advertising this to be like a sub 250 type setup, but i think its only for analog if you, if you go here so This is digital with the two 18650s. These are the molly cell 1850 18650s. I use now were already up to uh 241 grams and of course, once you stick the go 2 on here, we are going to be over 250, so its probably the the sub 250 that theyre advertising is probably for a go to with the with the two 18650 cells on an analog setup, thats, probably what im guessing if youre going for dji youre going to be over the 250 gram mark with the go to if you go with a naked, gopro youll, be um, definitely even higher.
I think it was away even more if you dont go with the camera. Of course you have to subtract out the camera mount there. You know youll be under 250, even with the dji version, but you know its kind of like well. Do you want to fly this without the hd camera or not uh? I dont know its kind of up to you but yeah. If you want to sub 250 dgi with two 18 16 18 650 cells and no camera or no hd camera, then yeah youll be under the uh 250 gram mark for sure. If youre wondering about this um camera mount ive had this on some of the hglrc drones ill link that in the video description, if youre interested in grabbing the stl for that now, regarding the flight time, uh really depends on how you fly the windy conditions or Non windy conditions youre flying in and how aggressively youre flying and also, most importantly, the quality of the cells that youre using so theres a wide variety of cells out there, some good, some okay and some much better. These are. These are okay. These are like ill call on the better side in terms of be able to handle the amp draw of flying, and but these are only like 2 400 milliamp hours. You can get up to 3 000 milliamp hour cells. I think hdlrc sells cells as well, but i dont know um how good those are ive, never tested those and uh theres theyre advertising at least a 13 minute flight, so 13 minutes or more and but theyre, not it wasnt specified.
If that was for analog or digital, so im pretty sure theres, probably for analog now for me uh, i didnt really fly that long like because i just cant fly for super long sessions anymore so on these cells here with plenty of battery left over uh, starting At about, i think i was around 4.2 and uh 4.2 volts and i flew uh without the camera and then with the cameras roughly 10 minutes. I had plenty of voltage left. I think it was 3.8 about and these cells can go much lower. So you know, if youre just kind of cruising around, you can probably get a pretty decent flight im, guessing at least on these cells. 15 minutes um pretty safely and, of course, youre trying more aggressively or if its more windy or if your cells are smaller capacity or lower quality. Your flight time is going to be less or could be more if theyre, better quality or higher capacity. So its going to vary a lot on a lot of those factors as to what your flight 10 is going to be anyway. So interesting, you know concept here for this platform, 2s setup your lower kv motors instead of the um 1s setup of the original recon 3.. I do like the fact that they go into the 3.5 inch prop. It would be nice to see like a 1s version like the recon 3, but the 3.5 inch propeller instead of 2s setup.
I think that might be really interesting. So if you guys are interested in seeing something with that leave a comment below. Let me know what you guys think of this concept here on the 2s setup. I do like the fact that they went to the 3.5 inch propeller great im. Still this whole bottom section here, im still kind of im, not i dont, know im not really sure about that its new. I havent seen anything like this before so um lets see, but i dont like the fact that the boards rotate like that and the usb port is coming vertical im, not sure why they wouldnt use a side mounted usb port, like they had on some other boards. Before so that is a strange decision i think, but yeah. Let me know what you guys think of this uh in the comments below this is the flight footage, both with the go to one without the go to and ill talk to you guys in the next one Music, all right so actually not as noisy as i Thought it might be how the tune is obviously with um a bigger, much bigger prop. Even though half an inch doesnt seem like a lot. It just feels like it has a lot more power still way heavier than your other three and a half inch quads out there like the baby, hawk 2, smart, 35, etc, but actually pretty decent, not not bad, better than expected and looks like tunes.
Okay, i dont see anything weird going on theres no wind right now, so nothing really to affect it. Lets see if i can do a flip here, a roll whoa okay! Oh i forgot to change rates yeah its okay, a little bounce back there. You know um for the weight, not bad, but now this isnt really for acro at least i dont recommend it. Although some people im sure, will try and probably theres, probably some skilled guys out there that can do it and pull it off uh. No thanks! This is a cruiser and trying to get real long flight times. Out of this i dont know whats advertised, i imagine about 20 minutes is uh what theyre probably expecting with good cells. Of course, this all depends on whether or not you acquire quality 18650 cells, and if you dont, you will either with a very bad experience or it wont even take off the ground or very, very short flight time. So your flight time is going to totally depend on the cells you use im using my molle cells, of course, very reliable, but theyre only 20, 400 or so 2500 milliamp hours, not the largest capacity possible youre. Looking at the uh polar camera here, pretty decent image with the lighting weve got right now, and i did plug this in at home last night to get the gps to acquire the satellites because you need to let it sit for a little while to let it Lock – and it did – i got 10 satellites i would assumed it would have stored it in its short term memory.
You know its like battery powered memory, but apparently not im back to zero satellites here. So i decided to go ahead and just take off and fly it im not going to be testing gps rescue. But if you can acquire satellites you can use the gps rescue feature. It doesnt seem to prevent you from taking off like on some setups im, not sure why all these manufacturers continue to put the gps behind the video transmitter antenna, not an ideal location and uh. Sometimes it prevents you from locking satellites needs to be in a different spot on the quad on the arm or on top of the battery or somewhere away from radio frequency interference, yeah, pretty agile, going to get decent power, with, of course, with the with these good Cells that im using using poor quality cells, it will fly really poorly, of course, Music. I think i think i know why they went three and a half inches on this one. Instead of four inches, i was kind of wondering about that, its probably for the olive weight to keep it under 250 grams lets, see ive actually weighed anything this stuff yet. But this looks like its right at the limit or feels like it all right. Im gon na throw the uh insta360 go to on there. Well get a little bit of footage and see how that looks. Music all right definitely feel that extra weight. I think im above 50 throttle now, whereas i wasnt before so adding this a little extra weight here will affect your flight time.
Of course, im not doing a flight time test, because everyones experience is going to be different based on the batteries you use, but i have a feeling this is going to be at least 20 minutes if you have good quality cells, if not more im more interested To see at this weight with the extra weight, how the the go to footage is going to look, of course, itll be stabilized in the fpv feed. It looks pretty smooth, so i dont see a lot of jitters, so its going to obviously be smooth in the go to footage its been raining quite a bit lately so pretty wet out here am i my sample came with the crossfire receiver. I think you can get express lrs receiver, these days too, as well as some other receiver versions, but they did not put the rssi or any kind of control link signal, strength on the osd, just notice that and still no satellite locks. I know im in an area that has a lot of wi fi, but this is um. I would figure well get a lock by now. I think its just the where they put the where they put the uh gps is not good its by that vtx antenna and possibly has something to do with the output power. Because, im back to my normal, like you, know, im running 500 milliwatts of alpha power. Now, whereas when i was sitting on the bench, i didnt want the vista to overheat, so i was at 25 milliwatts of uh output power and rowing, obviously blowing a fan on it to keep it cool.
While i was waiting for a lock, it took a good 15 minutes to get a lock, but it did get to 10 satellites. But i thinking that the outro power being higher now is preventing the lock completely so theres. There needs to be some sort of shielding, or something here surprised they didnt test this or possibly the production, builds, might be different from the prototype bills that that has also has happened many times on a lot of these models. The prototypes are built in a certain way. They test it. Everything looks good and then, when they go and build the production models, they build it in a different way. Forget something and then something like this doesnt work like the gps. So if youre wondering how could that happen? Well, thats, how that happens, human error happens. It happens quite often, but overall in terms of flight characteristics, you really cant complain. You can fly. Is nice a nice little cruiser way better than the eachine nano lr3? Obviously, with the three inch props, of course, that was analog and much. You know, obviously, with the two batteries same two batteries: power to weight ratio quite a bit different, its using actually the same motors a little bit higher kv, but because of the bigger prop it just, it just flies a lot better. In fact, i think its got the same board in here, so if you want to take your eachine nano lr3 parts, you could probably put that into this frame.
Of course, the kv will be a 4500 versus 5500, but i dont see any reason why you couldnt do that anyway, i think ill. Do it for this one.