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FlySky Noble NB4

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Old 05-07-2019, 12:24 PM
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Smile FlySky Noble NB4

I'm not sure if anyone here has an NB4 but I got mine last week and figured I'd start a thread for it.

Mine came with the large HV RX that has an external antenna, the FGr4 as well as the much smaller FGr4S that has an internal antenna and only supports up to 8.4V instead of 18V. The FGr4S doesn't have the range the FGr4 has but it's easily less than half the size and it's nice not having an antenna.

So far I'm really happy with mine. The build quality is great. Most of it is aluminum with the exception of the trigger, grip, and some of the trim wheels. I'm not a lefty so it isn't that important to me but the wheel can be moved to either side. It seems like people are worried about the wheel staying in place since it doesn't lock into position but it has a good amount of resistance and I haven't had it move at all while driving. The telemetry is nice and I have a temperature and voltage sensor on the way to further test it. All of the buttons are rebindable. I've got a couple controlled a lap/race timer and another to toggle 10% throttle when I start the engine - not completely necessary but nice to have. The batteries seem to last forever... it barely dropped in voltage over a few hours of practice and you can detach the base battery since there's a 2600mAh 18650 in the handle that can power the TX by itself. This makes it quite a bit lighter as the base battery has an aluminum case and has some heft to it.

Receivers seem to be going for $25-30 which is more than usual for FlySky but seems reasonable considering the telemetry. Unfortunately the NB4 does *not* work with older receivers so you will have to replace them if you already run a FlySky radio. The radio itself seems to be going for $170-220 right now. So far I think it's definitely worth the money but we'll see how it holds up.

Feel free to discuss or ask questions in this thread.
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Old 05-07-2019, 02:17 PM
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I have had mine for a couple months now. Mine also came with both receivers. I had ordered several of the bigger ones at the same time I ordered the tx, as that was all that was available at the time. Since then I have ordered several of the smaller rx's for my race cars. They can be had on fleabay for around $30 each. All that said, I too am really enjoying this radio. I drive left handed, so that was a big factor when I considered the noble as an option. I have had zero problems with it so far, and have it set up for 5 of my carpet cars at the moment. I wouldn't hesitate to buy another one if I needed another TX.
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Old 05-08-2019, 05:21 AM
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Originally Posted by frewster View Post
It seems like people are worried about the wheel staying in place since it doesn't lock into position but it has a good amount of resistance and I haven't had it move at all while driving.
Glad to hear this, I know I like to put the death grip on my radio when racing nose to tail, on other brands of radio systems I have had to use CA glue on the swivel mount to prevent the steering wheel from sliding out of position.... my main concern is whether the tension will fade over time.
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Old 05-08-2019, 08:12 AM
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I'll keep you updated if it changes over time.
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Old 05-08-2019, 04:39 PM
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Not for nothing but that has to be the most ugly Transmitter I ever seen. I would go for the IT4 before this. Is there anything different from that to the IT4. Other than the odd wheel position and shape?
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Old 05-08-2019, 04:59 PM
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To each their own. I really like the design. Compared to the IT4 it has a lower latency (3ms) system, better build quality, it's more adjustable, and just the 18650 in the handle has more than double the capacity of the IT4 battery. The IT4 has a 1700mAh cell. The NB4 has a 2600mAh cell in the handle and a detachable 4300mAh pack that doubles as a power bank. Unfortunately the NB4 doesn't work with the old receivers but that doesn't matter for me.

Personally I think the IT4 is the most ugly transmitter I have ever seen.
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Old 05-08-2019, 08:15 PM
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Fair enough. I’d have to hold it to see what it’s like. But that wheel thing it is funky. Specs you mentioned do give it much more appeal
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Old 05-08-2019, 09:37 PM
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It has a good amount of weight to it and zero flex or creaking. The wheel is solid with zero play in the arm it is mounted on.

I made a radio case for it today. I'd never used this pnp foam before and it was super easy to make the right shape for the radio.
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Old 05-09-2019, 03:23 AM
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Awesome. I’m awaiting the foam insert for my 7px for what seems to be forever.
How is the rotation of the wheel on that thing. It looks like it would move pretty easy unless it has some form of cam lock
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Old 05-09-2019, 07:39 AM
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As I said it isn't too stiff where it is hard to move when you need to adjust it but it also won't move when you don't want it to move.
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Old 05-13-2019, 05:05 AM
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So glad to see people talking about this radio. I have 2 (one for my son), I think they are great. Its more like a leap forward from the it4, when they could have just taken a step.

There are 2 somewhat mysterious things that no one seems to bring up when talking about this radio. The first one I noticed on the flysky site, in describing the radio. They mention a "sport mode" which is nowhere to be found in the settings or in that really crappy start up pamphlet thing that comes with it. So I downloaded the user manual from the flysky site, and in that, on one of the last sheets (in contents or something), they list a "Bluetooth module (optional)". This obviously isn't released yet, cause I sure can't find one. But what do you think it would do? My guess would be it's like the Traxxas TQi stuff.
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Old 05-13-2019, 10:39 AM
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I suspect sports mode is running it in 1 way mode to reduce latency and improve the frame rate. There is an option to use 2 way with telemetry or 1 way under the radio or receiver settings. I emailed them to ask about it but they have not gotten back to me yet.

As for the Bluetooth module I am not sure. You can find it on the FCC website as it was tested and approved a few months ago but their is no info about how it will be used.
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Old 05-13-2019, 11:45 AM
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Originally Posted by frewster View Post
I suspect sports mode is running it in 1 way mode to reduce latency and improve the frame rate. There is an option to use 2 way with telemetry or 1 way under the radio or receiver settings. I emailed them to ask about it but they have not gotten back to me yet.

As for the Bluetooth module I am not sure. You can find it on the FCC website as it was tested and approved a few months ago but their is no info about how it will be used.
I am assuming the same thing about sport mode. It's just not in there anywhere that I can tell. I tried switching from 2 way to one way, and I had to re-bind the receiver. So if they make some kind of easy short cut and call it "sport mode" they should have that fixed as well.

I emailed flysky asking about both of these things. It took a few days, but I did get an answer. Not really an answer that clears up all questions though lol.

"Hello Steve,

it is an option parts which don't include in the packing, and this function will be ready until at the end of this year"

So, I guess expect a firmware update sometime this year that includes this sport mode thing.
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Old 05-13-2019, 11:54 AM
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It seems that they struggle with the language barrier more than other companies such as RadioLink. I may ask a friend to help me write them an email in Chinese to get a proper answer.

Another thing I'm curious about is sensors. The old ones work but I suspect they have new ones in the works.
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Old 05-14-2019, 11:18 AM
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Box I got for the 2 nobles. Came from harbor freight, seems a tad on the large size, may try to get a smaller one.




This is where Im assuming the bluetooth module will eventually be attached. A slot just behind the batter terminals in the handle, look down the hole, and you will see there are places for something to connect.
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