Looky Looker // Jumper T20 Radio // RDC90 & Hall Sensor Versions
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- čas přidán 17. 08. 2023
- On first blush looks like QX7, but its not. There is a version with hall sensor gimbals.
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ALL please note there is a version with hall sensor gimbals. I am sure if the hall sensor gimbal version has the same or different adjustments or stick feel. 👍 Also, I mis spoke. The included battery tray is for 21700 cells.
The hall effect gimbals are plastic.
Is it smaller or bigger then the pocket?
@@crazylolsbg somewhat bigger. mainly in width.
@@NickBurnsFPV nice review, just one thing, u had those two switches in the wrong orientation, they should be vertical and not horizontal that's why they didn't fit
3:30 Hey, you are installing the shoulder 3-pos switch in the wrong orientation. It should be rotated 90 degrees (so that the switch moves vertically, not horizontally). Check the T20 promotion images for the correct direction.
That would explain why they didn't sit properly and were wedged against the component next to them.
love your product reviews...not only do you go over the features, but you go over the nuances of components and feel of materials, switches, and things that determine quality of usage. Your perspective on what is considered quality is spot on in my opinion and the details that need to be of concern are pointed out. One of my favorite reviewers and I love how you don't subscribe to hype unlike most others.
Yep, she's a good looker Nick. Thank you so much for sharing this awesome looking radio. I may add this one to my collection...Cheers to your honest reciews!👍🏼
Fantastic review, Nick! Thanks a bunch! 😃
I really liked how this radio looks! But I guess I'm still going to get the Boxer later...
Anyway, stay safe there with your family! 🖖😊
This one is more interesting than the one from radiomaster with more inputs and full size gimbals :DD
As usual, awesome job. God's speed.
I believe for us FPV pilots penetration testing is lot more useful than range testing.
It’s kinda odd that the two position switches on this radio flip side ways ! It should flip up and down, not side to side in my opinion. I think just turning the switches inside should fix that. Cheers and keep the air turbulent as always. Thanks for the video and the valuable review Mr. Nick.
penetration and range be the same thing, so that can be parked if that helps
@@doccock100 Indeed. Theres a video of Bardwell intervewing Wez Varty about this somewhere. Range is simply penetration through the air.
Nice little radio, awesome to see 1 watt, good size and lots of controls for all sorts of stuff. I guess it has internal storage for EdgeTX, I don't see a sd card slot. It has real switches, big bonus here on those. I see they have an option for Hall Sensor gimbals on their site, so it looks like there is an option to pick. Going to link this to a friend looking at an ELRS only radio, thanks for sharing! Cheers!
i think your SA and SB switch are oriented incorrectly during re-assembly, its shout be up-down not left-right,
Yeah I noticed that… that’s why it wasn’t sitting properly for him and he thought it supposed to wedges between the other switches.. I also got a feeling it could be installed wrong to begin with from the factory.
Great looking radio
I want to like it for the full size gimbals and being the second small radio to support the actual Lora frequencies too, but it looks so cheaply made, can't justify the price at all. Fortunately I don't have to either, I already have more radios than I can fly. Market is getting saturated now, they really have to come up with something original or at least beat the others with the price for the stuff to fly out the door.
Those holes next to the antenna are for mounting 2 antennas for the GEMINI system. ELRS has some leaked images of that T20 controller with built-in Gemini.
AddictiveRC will have these in stock soon.
Great review. Nice looking radio. According to the Jumper web site that tray will fit 21700 Li-ion batteries. Should have awesome powered on time. 😎
oh shoot. I did say 18650.
Fine for those with Jolly Green Giant hands but for the rest of us the game controller style is all that works!
i just hoped that the boxer had this type of antenna so it can be placed on the bag much easier than bringing the radiomaster case
You should do the new T-Pro V2 also. It's such a substantial upgrade from the OG T-Pro
Interesting indeed. Looking forward to see some reviews!
How so? I have had a T-Pro for awhile and have just started using it more lately instead of my massive old radio. What’s new with the V2?
It has 2 additional 2pos latching switches and OLED screen.
How did you not notice the shoulder switch’s are going the wrong direction? Thy need to be flipped 90°
What goggles battery did you use for the t20s?
Does it have a haptic feedback
It looks like the trim buttons are adjusting two different trim settings... the top button was moving the right bar, while the bottom button moved the left bar for the pitch stick.
yep, I really don't know why or how one would use those trims.
I just bought T20s radio. I have question with 6 funtion buttons next to each other. How to make 6 buttons work independently? Now i just turned ON only one of them.
Is this gimbal can replace by AG1 metal gimbal ?
HI Nick. Your videos are very practical and informative, congratulations. I want to ask you for advice, I already have a Taranis X9D with multiple external modules. I would like to buy a second radio to carry in my backpack in the mountains, which is more practical and easy to handle. between the Jumper T20 and the Jumper T-Pro V2, which of the two radios could you honestly recommend? I would like to use it for both drones and airplanes in mode1 and also for long range and I also wanted to ask you if it is possible to load the OpenTx firmware on the T20? Thank you.
I would expect OpenTX is compatible with both radios, I am not sure what feature OpenTX offers that EdgeTX doesn't. I think features is the primary reason fpv radio manufacturers moved to EdgeTX is how slow OpenTX moved. The T20 is a sizeable radio and based on that i think for something to be in a backpack the t-pro v2 is a better choice. With Expresslrs the control link is so good its hard for me to identify a strong use case requiring Gemini
The quality looks better than their last two joystick radios, but it seems like the Zorro is still better value for dollar.
The antenna hinge solution isn't the prettiest and the antenna design language doesnt fit the rest of the receiver. But the rest looks nice.
Nice review Nick. How did you remove the back cover? I have removed all the screws like you have pointed out but when lifting the rear cover off, it gets latched up on the top part of the cover and feels like something is going to break. Have you got any tips on prying the top part of the cover open?
the nuts that hold the switches in place also need to be removed.
Another reviewer has those 2 position switches turned 90 degrees so they switch up and down like normal. Not sure when they made yours if they installed them improperly or if that’s when u opened it up. But they should fit better that way also, so they don’t press into the 3 position switches. Did it come with a 18650 holder or a 21700 holder? Thanks for the review. I was waiting to see what u thought
I wonder if the switches were installed off. I did mis speak the tray is for 21700 cells.
I had wondered when watching this video if those shoulder switches could be rotated to switch up/down rather than sideways. Switching sideways does look odd.
@@wingsounds13 so I’ve watched other reviews and they most of installed nicks switches wrong. In other reviews they go front to back
Many are mistaken in thinking that potentiometers are worse than hall pickups! Potentiometers are just the opposite more accurate than Hall sensors. In terms of durability, I personally know people who have old Futaba transmitters that are about 10 years old and have gone through thousands of hours in the simulator.
I have a 16IZ Futaba and it has 1200hrs of total run time, the potentiometers function perfectly and the zero position never shakes unlike my 2 radiomaster boxer and tx16 mk2....
i dont care what you say physics dictates one will last longer than the other werent those futaba radios 1000 dollars it might be engineering as to why your radio has perfect centering
Good to know mate. Thanks for the info. I already got the Hall version. No regrets but I'll note this for future.
Your experience says pots are better. My experience says the exact opposite - twice. I had a Jumper T8SG that had terrible pots - they developed serious signal noise after only a few months of use. Same went for the pots in my current daily driver, a Radiomaster TX12. Once I installed Hall sensor-equipped AG01 Mini gimbals in the TX12, I got superior accuracy and zero signal noise. I don't doubt the durability report on the pots in your Futaba radio, but when it comes to Jumper and Radiomaster radios, it would be better to install Hall sensor gimbals in them if they don't come stock.
@@billmcdonald4335 Your words make sense, most likely high-quality potentiometers are not put on cheap transmitters.
@@dragansus1Bingo. Cheap radios use cheap components. If you want your stuff to last, be prepared to spend some dosh. The AG01 Minis cost more than the TX12, but now I got a unit that'll last longer than a few months.
I just want a ELRS 1 or 2W Tango 2.
The battery tray is for 21700
So now that you didn't have some time to fly with that controller do you recommend that controller better than a Zorro. It's the holiday season and I was looking to get another radio I have a Zorro but I'm willing to buy that one did you have any concerns after you made your review video after flying with the radio for a little bit longer
I have gone back to using the zorro. The wide stance of the T20 didn't fit my hands well.
How to connect this remort to mobile via bluetooth to get telemetry data
I looks „special“ …but it’s mothers loves it
I don't like that it comes with no module bay
lol，about that switch, you are putting it in wrong direction 😂
Brother I need help Please! i have a 3.5 in quad that was working perfect until i crashed it and broke a motor. i replaced the motor but now the quad acts like i have the motor output limited to 10% . it will arm and it followes the sticks like rocking it back and forth or side to side with the sticks. i have checked everything. all is set right. but no mater how much throttle i give it it is not enough to take off from the ground. i have re flashed everything and tried older versions. checked the esc's in blhelisuit. nothing makes any difference. Do you have any idea where to start> have you ever seen this before? Please help! By the way i build quads for the public so i know what im doing. but this one has me stumped. im to the point of just randomly changing parts. i thought maybe the new motor was weak and the Fc was dumbing down the other motors to match the week one so i took it off and it still does it. it never tries to freak out or anything all seems correct.
FYI the gimbals are made by Futaba, top of the line.
Why do TX maker do their gimbal painfully sharp and pointed ? I'm a thumber.
Build quality compared to Boxer? Or even compared to an old QX7?
Very hard to comment on this. The Gimbals for any version of the T20 at a guess would have better longevity than QX7. Too hard to comment on electronics. Time will tell. Or take a punt just jump in get wet and have fun and be happy with your decision. Life is too short for buyer regrets. Beside there is the used market to offload what you dont like.
Does it come with the adapter for the nano module
not according to the jumper website.
i think my jumper tlite died at the weekend.. was cusious, why i can fly just 300m away with a tmount elrs on 50hz 100mw and got a rssi dmb of -103. then i crashed 1m infront of me :/. i tested it on betaflight and all of my 3 quads getting just chopped signals. my radio just told me "telemetry lost" etc on my desk.. i dont know what could be the problem and im thinking of buying a new radio, but tbh i wont buy a jumper again, even if i really love my tlite. maybe ill try the boxer, but i dont know if pinching is the right choice to fly.
maybe the antenna came off the radio internally. In the transmission side the antenna disconnecting can damage the radio.
Are the better rd90 gimbals realy potentiometer based as said in this video?!?
Yes. Futaba uses the same potentiometers.
They aren't better but they are pots.
That black gloss section is a no go for me. It’s HORID
I love my t-pro! So I assume, In your opinion, the t20 would be a better option then the radiomaster pocket? I run 1wstt on crsf so I don't think the pocket would handle that
Very different radios, the pocket is completely tiny with tiny gimbals, half the price, and a quarter of the power.
And also different use case Matty. Pocket it design for travel and designed well, but I got this one. I like the size and and feel in the hand. Don't mind lugging a bigger radio.
17:25 - there must be something wrong:
#1 T20 has Hall sensors from the factory and it is cheaper than the
#2 T20S has RDC90 sensors with potentiometers and these are more expensive.
Attention: for whatever reason now the hall gimbal sensors are priced cheaper - quite the opposite how they had marketed the hall gimbal sensors on the T16S radio
The T20 and T20S have only different gimbals (also looking different and I guess also adjusted differently) and there seems to be no marking on the outside if you have a T20S
But your review is a T20S review, not the T20 so you might better change the title soon cause people might buy the wrong radio with the hall sensors while you were talking about the T20S with RDC90 potentiometer .
Range tests are possible, just on the ground with goggles and camera. You drive away with the bike or car and watch how long the signals will cause a reaction on the rudder or flaps.
Have seen some but you need a good spot maybe on the top of the roof to have line of sight for quite a long distance.
From what I have heard the standard T20 has been discontinued.
Is it confirmed that the more expensive gimbals are potentiometers or was this video wrong?! Just does not seams right?!?
@@rasmus80gThe more expensive gimbals are indeed the potentiometers, same as with Jumper's other radios. They are basically Futaba gimbals. RDC90 has always been their more expensive gimbal, I think you're confused. Look up the T18 options.
Nicks Model shows the new Hall gimbal version. The Original version has Hall gimbals from the T16/18? I expect either works fine. The newer one looks better constructed with metal parts and the ability to adjust the travel. The potentiometer version looks similar to the new Hall. I got this over the Boxer for styling. But if you use vtx backpack i think radiomaster has you covered, not sure about this one since I dont use that feature.
Please, can you measure charging current?
The charging speed of my T-pro is so slow that sometimes I have to wait a couple of days for the voltage to rise from 6.2v to 7.8...
This is the only thing stopping me from buying
(Of course, I would also like an ERLS backpack out of the box, but this is not a critical thing ...)
I don’t have a mechanism to check usb charging current
Charging is fast a couple or hrs for 2500mAH 18650s. But it still only charges to 8.1 volts and not 8.4, probably for safety reasons. Every 3-4 charges (6 months? Lol) take them out and balance charge to 8.4 to ensure cell balance.
Nick, this or the Zorro? Which feels more premium?
Mate I would pick this over the Zorro simply for the battery - 2x 21700 Lions. Zorro needs the update its power source to either 18650s or 21700 to top this offering from Jumper.
@@vuchuong74 Im not worried about battery life. Worried about buttons and sliders feeling cheap and loose.
I’ve heard these fit the AG01s
Becky said they don’t, shell not deep enough would need to modify
@@SBvice thx for the reply. I’ve heard they don’t fit from 2 places on YT. I’ve also read in a forum that the inside was measured and it was a drop in as far as the dimensions go, wiring would obviously be different.
I think I’ll just stick with my original plan of redesigning a shell to fit full sized gimbals for a T lite.
21700 batteries inside not 18650.
a Radiomaster Boxer is much better quality and build for similar cost. Great review and teardown.
dang, you lost me at potentiometer I have seen a few reviews already, but never caught that Jumper chose not to use Hall gimbals. As far as 18650s, is that what Jumper says? I hadnt noticed a cell holder before, but did note that there was much more space in the battery compartment making me think that it was meant for 21700 batteries.
They have a hall sensor version. I mis spoke, the tray is for 21700.
They are designed for 21700. And fyi those pots are ALPS pots used in Futabas. Not a single Hall sensor is better than those ALPS pots mate. Hence the steep 30$ price difference.
The cell holder does accommodate the 18650 batteries, which came with my Jumper T16
@@ViralFailsCN Nobody is gonna notice the difference in precision between hall and Pots. But hall sensor will be more durable than pots, even alps is no match for hall. Again probably doesn't matter at all and just marketing gimmick.
@@yoyomin you cannot ever make advantage of neither hall or pot durability, as both hall is rated for several thousand hours and ALPS pot is rated for 10 mil cycles. Durability of Hall is a marketings gimmick, not the other way around. It fooled people into believing that somehow pots will go bad after some time. In reality, it probably wont go bad in your whole lifetime, granted you fly every day like a mad man.
lol, he reassembled the radio wrong with those two position switches goin sideways
Good concept but poor execution, typical Jumper.
I saw a review of these gimbals. czcams.com/video/o6UbZCKswQA/video.html
The form factor is really good, a lot of switches. But gimbals, I don't know how good they are.
trim seems like an after thought. would be a pain in the ass to trim the way they are setup. and click that don't do anything? what a waste. radio looks cool but not for me as a wing guy.
Look at the size of the screen. It's targeted at quad pilots.
It looks hideous to me.
internal look cheap!radiomaster seem far better internal
Looks cheap
I believe for us FPV pilots penetration testing is lot more useful than range testing.
It’s kinda odd that the two position switches on this radio flip side ways ! It should flip up and down, not side to side in my opinion. I think just turning the switches inside should fix that. Cheers and keep the air turbulent as always. Thanks for the video and the valuable review Mr. Nick.