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dronelab
Sweden
Приєднався 20 лис 2017
Silicone wire - measured and tested
We measured the performance of Silicone wire, gauges 24, 20, 18, 16, 14, 12 and 10. Charts and more info available here:
dronelab.se/siliconewire.html
The most important chart (maximum current vs wire gauge) is in the thumbnail, so you don't even have to watch the video at all. But you are still invited to do so!
dronelab.se/siliconewire.html
The most important chart (maximum current vs wire gauge) is in the thumbnail, so you don't even have to watch the video at all. But you are still invited to do so!
Переглядів: 18 761
Відео
SUPERCAPACITOR powered drone
Переглядів 122 тис.6 років тому
Can a SUPERCAPACITOR, marketed as a high-discharge energy source be the ultimate battery for a racing drone? No. No it can not. For the sake of complete information: We charged our 7-cell, 200F supercapacitor pack to maximum allowed voltage seconds before taking off. The VTX and camera were running from a separate, tiny li-po for the purpose of recording the crash when the supercap is empty. A ...
XT90 - Measured and tested
Переглядів 59 тис.6 років тому
Everything you need to know about the XT90 connector, from a build-your-own-drone perspective. Current capability, size, weight, how to use it, what type of mustard it goes best with. For more information on 6s vs equivalent 4s, check out Joshuas video here: ua-cam.com/video/lO2_2Pd4BTI/v-deo.html
iRangeX - how not to make a controller
Переглядів 9 тис.6 років тому
A dissection and analysis of the iRangeX controller. We managed to identify and fix three big design issues, and on top of that, we tested the range and latency. Overall, poor product.
Molex 2mm connector - measured and tested
Переглядів 13 тис.6 років тому
Everything you need to know about the tiny 2mm Molex connector that can be found on tiny toy drones and 1s setups.
Radio controller latency - Flysky i6s lag compared to Taranis X9D
Переглядів 9 тис.6 років тому
Are the cheap Flysky radios really much more laggy than the Taranis? Spoler alert: It isn't. It's actually faster. Measuring the Stick To Output Signal lag (STOS lag), method is described in the video. Tool used: Saleae Logic 8 Pro @ 50M samples/second. Receivers used: X4RSB for the Taranis, and X6b for the Flysky. High resolution graphs: imgur.com/a/zo17C Decoder plugins: ibus (flysky) github....
XT60 connector - everything you need to know about, measured and tested
Переглядів 164 тис.6 років тому
Everything you need to know about the XT60 connector. Current capability, resistance at high current, size, weight, colour.
XT30 connector - everything you need to know about, measured and tested
Переглядів 49 тис.6 років тому
Everything you need to know about the XT30 connector, from a build-your-own-drone perspective. Current capability, resistance at high current, size, weight, colour, favourite ice-cream flavour.
Не сказав самого головного. Дк на разьємі + та мінус
Good example
very very very cool, thank you so much for this
If you say "Everything you need to know" then in the video should be everything. But i don't see comparison XT30 vs XT30U vs XT30WU and etc. As well when soldering wire to the connector, you should connect male+female connectors together, to have a twice bigger area for heat dissipation so the plastic would not melt.
Those little batteries can put off 180a amps?
HELLO I am contacting you because I would like to know if the XT90 connectors can withstand direct voltage and current 28 volts in approximately 40A? in fact I have a pack to make in lifepo including 4 batteries in // or 8S/4P given that I have 4 batteries in // per series I was thinking of putting 4 cables and 4 XT90 for the pole + general and also 4 cables and, 4 XT90 for the least general which will be put on the B- of the BMS the current that will be drawn by my converter will be 140 A max at 24 volts What do you think? with this situation I think that the current will be divided on the 4 XT90s, i.e. less than 40A per XT90 the cable section will be 10AWG by xt90 Best regards laurent
An XT90 can handle 40A per each of its two poles continuously at any voltage up to its rating of 500V no problem. It's generally not super safe to use connectors in parallel since if one of them fails, the others have to carry the additional load. But, if you have a lot of overhead, this should be fine. Do you intend to use a total of 8 connectors? 4 for + and 4 for -, each with 2 AWG10 wires? If so, you have a lot of overhead. This should be fine. Just remember to not apply any load (have your converter or anything connected to it OFF) until all 8 connectors are plugged in.
hank you for the information yes 4 XT 90 connectors on the packs - 10AWG and the same for the + otherwise perhaps it is more judicious to use copper tubular eye connectors instead of XT 90? cheaper to purchase and less risk of defaults?
For xt60 female amass is it normal to have no holes on cable side, unlike the male part?
Maybe you got the XT60PB-F? It's the PCB mount version of the XT60, intended to be through hole soldered onto a PCB. I wouldn't use it with a wire, the solder joint won't be as good and secure as it should.
The XT60 was designed by HobbyKing as an open source project to circunvent the propietary royalties of connectors like tamiya, deans, traxxas etc
You sound german
Have you had any problems with those tattu batteys? They have very mixed reviews across many platforms. If you had any feedback on them that’d be great!
I am building battery for my ebike, which will draw around 100A in peak and chose xt90 connector for this purpose...it's so nice to see this test vidro, that assured me, that my choice was correct 🙏 many thanx
lol the pentagram at 2:17 when saying 66. slowing it down makes it even more dramatic xD
Hi will 5mm bullets go into xt90 female
Shouldn't we be talking about Watts instead of Amps? Because P = V * i, so it would be nice to know at what Voltage this test was applied.
While the connector is in fact limited by the power in can dissipate, and that power is calculated from P = V * I, the "V" in this equation is the voltage dropped across the connector due to its electrical resistance, not the voltage between the two terminals. That voltage can be calculated from the contact resistance, using V = I * R. We measured the XT60 to have about 0.90mΩ of resistance total, so, the connector at 100A is dropping only 0.09V. Plugging this into P = V * I gives 9W of power that dissipated on the connector and heats it, potentially damaging it. All this happens while the connector can be delivering those 100A to its load at 20V or more - so 1000's of W of power. The voltage of the system plays no role in heating the connector. For the same reason voltages as high as 600,000V are used in power distribution networks - to push more power through the same conductors - and smilarily fast charging phones use higher voltages than the old 5V standard of the USB - to push more power thought the same thin USB wire.
What about a 12 cell setup that does 150A full gas . Still xt90? Or bigger? Think xt90 will hold but there is also xt120..... but then a got a third connector type what is not nice whit charging abd i see no antispark.
How do you fix the fucking wire if it pulls out?!
I continue to use Deans and bullet connectors for my smaller propeller type RC model planes not needing more than 30 amps. I'm using adapters for models that come with XT-60's to work with my Lipos with Deans female connectors
Can xt30 work with 14 awg wire?? Or will it cause the solder to melt on high loads?
Put a tiny solar panel
You drew double the current through the cable recommended for the connector, then blame the information provided?
Great work!
Nice video! Thanks for this "limit" test. Without the faintest intention to being picky, the de-soldering on the video might have been partially contributed also to the awg10 wire heating and not just due to the ohmic losses through the connector. A heavier wire might allow higher current, but would be to much weight for a drone. I am planning to use the XT90 for an electric boat motor, weight is not a big problem so i will use the bulkiest wire on XT90 which i can fit. The XT90 was the best priced solution i could find for about 100A loads, I looked at the Anderson ones (too expensive), the SAE (which was immediately dropped as it can handle maybe up to 10A)
max current in conditions of no wind refrigerating it? thanks
A PH2.0 vs BT2.0 vs GNB A30 video would be interesting
Connectors and ampacity seem to be a funny topic. Certainly there needs to be some standards set for safety, but the reality seems to be that the connector itself, when properly mated with another, should be able to handle continuous amperage well beyond their rating. I don't really consider it when using a particular RC connector beyond what I have the most of at the time, or what I'm trying to just make a cross compatible kind of setup. I don't see much benefit in switching from an XT60 to like an EC5. The ESC's are probably coming with 12AWG anyway, so why is the concern over a small solid connector rather than wire that is only rated for 20A continuous? May be a different standard, but still a safety rating. I feel like when it comes to actual thermal failure, what's going to happen is the wires will desolder themselves from the connectors.
why you put satanic sign
Long live to people like you! thank you.
love what you did with the 6.66
Tin the wire, insert it into the connector using a holding fixture, place the lightly tinned soldering iron against the wire and the connector pin, and let the heat of the wire and pin melt the solder into the connection. Don't put solder in the connector pin, reheat it, and insert the wire while holding it with your fingers.
after 5 years, I still wait for new video. If can, pls make ec5 ec8 connector, I wonder how much currents it can handle?
Incredible video! Thank you.
How is this different than the XT60i?
What’s a good temp for soldering the XT30 and the XT60? Thanks.
It depends a lot on your setup, but generally it's best to run hotter but for a shorter time. You do not want to let too much heat reach the nylon case before you're done soldering. Try 350°C, if the case keeps melting, go hotter and faster.
🤘😈👍 hahahaha
Can i use xt60 for my small Inverter 12V dc to 230v ac 300W? Fuse on this Inver is 40A dc.
I need it
Olhem kkk ua-cam.com/video/qEdysiZAYZ4/v-deo.html&pp=ygUEeHQ2MA%3D%3D
I have been wondering if I could down size to XT30 on my 4 inch drones using 4S 850mah and 1606 motors. Sounds like I am right above the threshold of an XT30. Its really unfortunate because I'm right about the 250g limit and need to shave a few grams.
I use an xt30 on a 5 inch with 2004 motors without any issue, xt30 on a 4 inch should be plenty, just make sure your wires are thick enough.
This should work great as a high current buffer to your actual battery
How to buy please put link
Anderson connectors
What is the universal connection which is positive normally on this connector?
XT series connectors have molding on them to show the flat side is positive, and the tapered/curved side is negative.
Seems like molex straight out removed this connector from their catalog
I'm still baffled by the fact that most 10000mah packs ultra high C rating packs I've seen have 10 gauge wire. Many of these are rated at 100C and above, we know they are overrated but even at 30C, these batteries would instantly melt their wires. That is not a crazy amount of power for a Twin 120mm EDF for example, or a large cargo multirotor.
The problem I've found is getting quad motors that can really handle 6S power. If the wires aren't designed to handle the voltage, they fry almost instantly. The SunnySky Edge Racing R2207 FPV Brushless Motors - 1800Kv I bought fried on 4S but were supposed to handle 6S. I am currently using some T-Motor VELOX V2 2207 1950Kv Motors on 4S but 1 burned up doing static testing on 6S so I'm limiting them to 4S now. Do you think the EMax RS 2306-2750Kv you mentioned here will handle 6S?
How do these connectors handle higher voltage at the same current? If I was to use an XT-60 connector for a 48V (54.6V peak) at a 30A continuous load, would the XT-60 still hold up?
It will hold up no problem. The voltage plays no role in the load on the connector, so as long as you are below the isolation limit of the connector (500V) it will handle it.
can the xt60 handle ac mains(240v say at 2 amps(rms))?
You shouldn't use it for AC mains, as it doesn't have the required safety features. I'd recommend a IEC 60320 C7 and C8 instead.
@@dronelab1280 thankyou for replying this fast. I'm actually designing an air quality monitoring system that controls the exhaust system of a hall based on indoor and outdoor air quality. I need a clean connection for connecting the exhaust fans to the relay inside the device. I was looking for a panel Mount connector that can handle the AC mains.
@@nandu1770 If the connection is entirely internal, then you could go with something like a screw terminal block on the PCB, mating directly to wires. The XT60 is not rated for mains AC, so I wouldn't use it for such.
@@dronelab1280 the thing is that I don't want the device being opened again once after assembly just for wiring the relay. I was thinking of an easy plug and play method for connecting the exhaust system to the device. I think the IEC connector that you mentioned would work
Capable 1200w for 3second ? For starter engine 1200w
Xt 60 is able to 12v 120a for 3second ? Please help
Yeah, it held 180A for 10 seconds, so 120a for 3 seconds will not be a problem. Just make sure you are using thick enough wires, AWG12 or AWG10. The voltage (and with that, transfered power) does not matter.
omg. I just found this channel and after 10 videos I feel so bad you didn't keep posting. what happened?