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Eachine Tyro79 Ultimate Final upgrade guide

18/12/2019

26 Comments

 
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The Eachine Tyro79 is a low cost brushless high performance FPV quadcopter that is sold sold as a kit exclusively from Banggood. I have written a full review here and the popularity has prompted me to write this full and final upgrade guide after nearly a year of testing, tweaking and changing parts. Sadly my Tyro 79 has been lost in a dense bush area and I have not been able to recover so cannot share pictures of the upgraded on the quad. However, I have noted carefully what has worked for me and this is shared below split into the following systems:
  • FPV (camera, vtx, vtx antennas, goggles)
  • Motors and props
  • Electronics (flight controller, ESC)
  • Frame
  • Batteries
  • Control gear (receiver and transmitter)
  • Add ons
  • Betaflight
I'll make my strongest recommendations clear in each section and will recap in the summary as well.
FPV systems (Came, VTX, Antennas, Goggles)
I put this first as I think the most crucial improvements are here. Without mincing words the default camera is awful. Although it was working well for the first one or two flights you can see from this video below in slightly overcast conditions that it can be nearly impossible to fly.
The good news is that the tyro79 takes a standard micro 19mm camera and there are some good options available for not much money as below. This is the very first upgrade I would recommend.
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Foxxer Arrow Pro Micro. Still my favourite bang for buck micro camera at less than $20 with a CCD sensor.
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Caddx Ratel Micro. This CMOS cam has a massive sensor and excellent performance as a result. Can be had for as little as $25 on sale.
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Foxeer Razer. The new budget cam from Foxeer with a CMOS sensor. Personally I prefer the Arrow but this is an option if you prefer CMOS
I had no issues with the VTX personally but have seen several people who have online. The 20x20mm VTX that the tyro79 uses is very common and there are some excellent options available. My three recommendations are below as your budget allows but all three offer smar audio control and a minimum of 200mW maximum power which is plenty for this quad. All require soldering and/or splicing of wires. With that said I used the stock VTX right up until the end. If you do want the stock vtx it can be found here but I'd honestly recommend one of the below ones in its place.
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AKK FX3 Ultimate VTX. Probably the best stackable direct replacement and is less than $20. Has both UFL and MMCX connectors. My review here.
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AKK race vtx. Best budget option at less than $10 but youll need to convert antenna to MMCX and you are limited to 25/200mw - which is just fine IMO
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NamelessRC Nano400 VTX. If you want to go light this is your best option. up to 400mw and less than 1g for about $15.
The Tyro 79 uses a basic dipole antenna connect to the VTX by mirco UFL - another common standard. These are perfect fine when flying by yourself and as durable as it gets. I would recommend a MenaceRC Bandicoot Linear Patch Antenna if your goggles have diversity though for increased range. If you are flying with others though yoy will want a circularly polarised antenna. These three below are compact, reliable and connect directly to your VTX.
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Foxeer Lollipop 3 is a good performing durable omnidirectional antenna that will connect direct to your VTX. Pack of 2 for $20 or less
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If you are flying alone the stock dipole is fine but would strongly recommend a Bandicoot linear patch on your goggles for improved range
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The Axii is the Rolls royce of micro antennas and are $20 each. Probably a bit of an overkill but here if you want.
Budget plays a hug part on choosing goggles if you haven't done so already. I'm wary to recommend spending too much at the moment such is the impact of the HD DJI systems but bang for buck in any category is the Aomway commander V1s which is being cleared at less than $200. My full review of that goggle is here. Other goggles I can recommend are the Fatshark OLED Attitude V5 (review here) and of course the skyzone SKY03O OLED goggles (review here).
Motors and Props
If the camera is the first thing you should change, the props are most definitely the second and regardless, they are a consumable item anyway. The stock 4-blades are awful - loud, inefficient and full of vibrations. Prop choice can vary depending on flying style but the below options are all very durable, efficient and reliable
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Gemfan Flash 3052 One of the earliest prop I used and still one of my favourites. The aggressive pitch works well with the Tyro79 motors
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Dalprop t3056c Very similar in performance to the 3052 but a little more durable
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HQprop 3x4x3. A little less pitch but very quiet and efficient.
The stock motors are heavy, have bearings that are prone to premature wear and have awful plastic coated wires but they fly fine. If you damage or want to upgrade I'd recommend the options below. They are all physically smaller and lighter than the stock ones but make more power and are more durable
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HGLRC FLame 1407 3600kv. These are fast and light motors at a budget price. Perhaps not as durable as the 2 to the right but much better than stock and only $10-12 each
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RCInpower 1506. This motor is beautifully made and amazing to look at. Power is a level up with wider stator. 4300kv will be very fast on 4s but also power hungry. I reviewed similar here
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BrotherHobby Tornado 1407 3600kv. The original hot motors for 3 inch 4s quads still hold up well today. Try to get them on special for about $12 each.
Electronics (Flight controller and ESC)
This is pretty much a case of "if it's working it's fine". If you do have issues I only have one recommendation which is just so much better value than anything else around:
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Diatone Mamba F405 Mini FC and ESC. At around $40 for the stack I simply cannot recommend better for the price. You don't even need a BLHeli32 ESC because with JESC you can get 48k PWM and bidirectional d-shot.
Frame
I'd only recommend replacing the stock frame if it gets damaged. Given this is a 1-piece bottom plate this is a distinct possibility and I'd recommend the following option as a replacement. Not, some trimming of wires may be required with these frames but the components will fit.
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Diatone GTR349 frame and canopy. Well build nice light frame and canopy kit for around $25
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Flyfox no 5. About the same weight as the diatone frame but with a full carbon canopy
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Ummagawd Acrobrat Duo Probably the best acro 3 inch frame going but spendy @ $45
Batteries
4s is the number of cells you will want for the tyro79 even if starting since maximum throttle can ealiy be limited if needed (see article here). Capacity will be a matter of preference though. I'd recommend 650-850mah in general - smaller than 650mah won't be able to supply enough current at full throttle and larger than 850 will start making it feel heavy and sluggish. I personally run CNHL ministar 4s 650mah but here are a few options:
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GNB 4s 650mah
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GNB 4s 850mah
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CNHL Ministar 4s 650mah
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CNHL Ministar 4s 850mah
Control gear (Receiver and Transmitter)
I run FRSKY gear and will look at only these options for the purpose of this review. I feel it is a good price/performance ratio but of course there are cheaper and more expensive options. For receivers:
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FRSKY XM+ Great little receiver that allows you over 1km range with diversity for around $12. I use these by the truckload.
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FRSKY R-XSR As light as the XM but with diversity of the XM+. It also has full telemmetry and is updatable to the latest Fport and ACCESS standards. $25 is spendy though.
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FRSKY XM About $1-2 cheaper and 1g lighter than the XM+ but without the diversity. I'd recommend the XM+ instead.
Things are getting a little more tricky with transmitters now that FRSKY is going with the closed source ACCESS protocol and my choices below reflect this:
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FRSKY X-Lite (original ACCST). This is my long term favourite transmitter that runs all the current receivers (review here). Crossfire works using the adaptor in this article.
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Jumper T16 Pro Hall. If I was to buy a new transmitter today this would probably be it. Compatible with practically every receiver and support crossfire natively.
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FRSKY X9-Lite pro. New small form factor with click wheel. This does not support the old D8 protocol but does support the new ACCESS protocol. This one has the hall effect gimbals
Add Ons
Probably the first add on you might consider is an HD cam. The Tyro79 can carry a stand-alone HD cam, particularly some of the lighter ones but performance does take a bit of a hit. Alternatively you can replace your FPV cam with one of the split options - a camera and board that transmits in regular analogue but can record in HD
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Runcam 5 HD 4k cam

Best image of the lot but even at a relatively light 56g it is a lot for the Tyro79 to haul. Full review here
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Hawkeye Firefly 2

Much more suitable weight at 31g but a definite hit on video and audio quality. full review here
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Runcam Split 3 Mini

One of the more recent and reliable split options at 1080p for around $65. This replaces the FPV cam as well
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Caddx Tarsier

​A more expensive split option but offers up to 4k resolution for $85. Also a good FPV cam.
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The other item you my want to consider is GPS because it is simply a lot of fun. You get true speed readings, accurate location details if your quad goes down and you can enable the return to home feature on betaflight. GPS modules are only around $10 and are easily set up. I'd recommend the Beitian BN-180 - it is small, cheap, light and of the 3 I've had - reliable.
Betaflight flight software
Betaflight is the free flight firmware that comes installed on the flight controller. By upgrading to 4.1.1 or above will see a big improvement as the stock tune is now excellent. You can go one step further and install JESC on the 4 in 1 ESC for around $5. This will allow you to run 48k frequency on your motors which add smoothness and extend flight time but more importantly this firmware adds bi-directional dshot meaning you can run RPM filtering that everyone is talking about. This seems to be the single biggest improvement to tuning I have seen in my time in the hobby. Sadly I did not get to write my guide for RPM filtering on the Tyro79 before I lost it but install is straightforward and there are a lot of guides out there.
Summary
Well that wraps up my Tyro79 upgrade guide. More detail above of course but the very first things I upgraded were props and camera because the stock items were miserable. VTX was fine as was ESC and FC but there are good budget options to replace these line the diatone mamba stack and the vtxs above. Upgrading motors will give you a good performance bump but I'd stick with the stock ones until they die. Having a number of good batteries is key, you'll need these regardless but definitely go for 4s. Radio gear is farily personal but I still like FRSKY because it is a reliable link and receivers are small and inexpensive. Adding an HD cam is a good way to capture you flight in high definition. If you have the energy, go for one of the split cam options because hauling a stand alone HD camera can tax performance.
​​Thanks for reading, if you found this article useful please feel free to like or share, the facebook links below directly link/like this article. Links are affiliated and help me buy the bits I need to produce this type of content. If you are looking for quads or parts check out my coupons and discounts page which I keep updated with only the parts and quads I like at a proper discount.
26 Comments
MARCIN
22/1/2020 10:25:06 am

Have you tried the recommended upgrade cameras? Caddx Ratel doesn't fit - the lens is too big in diameter and even the frame cutouts for the camera lens are not enough.

Reply
Quadify RC
22/1/2020 09:59:30 pm

Hmm you are probably right. I've tried the razer and arrow (as well as robin and racer) but they all have smaller lenses. I run a ratel on another quad but lost my tyro79 before I could try the ratel. Will update the article, thanks.

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Stefan
2/8/2020 08:00:31 am

I filed down the frame 1.4mm on each side for the caddx ratel too for with a simple round file. I also used spring type washers to screw the camera tight

Gabriel
16/3/2020 11:32:41 pm

For anyone interested in camera replaces. Foxeer Falkor micro fits perfectly. The image quality is perfect too.

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Quadify RC
17/3/2020 09:56:57 am

Nice. I think any micro with a small lens should fit without drama.

Andre
27/1/2020 05:19:26 am

You had no trouble loading JESC to the stock esc and FC? I'm trying to confirm if it worked for the Matek F411 board the Tyro79 runs on or if there are cwrtain workarounds and additional steps that must be taken or if it's a straight shot like the rest of the mainstream boards out there.
If you could shoot me a msg to [email protected] to confirm this for me? Please and thanks. Looking forward to RPM filtering.

Reply
Quadify RC
28/1/2020 10:28:58 pm

I installed JazzMaverick with no issue. Matek F411 absolutely has the ability to run RPM filtering without workaround. I run 4k/4k dshot300 on other similar boards. Unfortunately my tyro79 is lost as I mentioned but it was no issue to install Jazzmaverick 16.77 and betaflight 4.1x for RPM filtering

Reply
Andre
29/1/2020 01:59:58 am

Awesome. I was able to instal it too without issue. That sux u lost ur Tyro79. I think it looks quite cool and from what I've read, for the money, a steal. I will likely do the upgrades you listed as they become necessary. Thanks for the reply and for this blog. Have a great one

Ivan
17/4/2020 06:18:54 am

I was wondering what would be the difference in flight time between 4s 850 mah and 650 mah ?

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Quadify RC
3/5/2020 02:04:12 pm

Hi Ivan

It really depends on how you fly but perhaps a minute? If you don't fly hard at all they will be fairly similar

Reply
Pavel Antokolsky
3/5/2020 04:35:57 am

A question: will the "Runcam Split 3 Mini" you suggest fit inside the frame or the board will be needed to be mounted outside?

Also, do you know if it is possible to use nano-sized camera (14x14mm) with this frame? I have a spare Runcam Nano 2s from destroyed TinyHawk2 which is probably better than a stock one, but I doubt it will be easy to mount it into this frame.

Reply
Quadify RC
3/5/2020 02:03:02 pm

You may be able to fit inside however you might need to be creative with the stack mounts rather than relying on full height standoffs. You can absolutely use smaller nano cameras with this frame but you will need this adaptor: https://bit.ly/3ddpbJE

Reply
Pavel
4/5/2020 07:18:40 am

Thank you!

Thomas H
27/7/2020 08:32:18 am

Thanks for the guide, sorry to hear you lost yours :( I bought one recently and also upgraded it. Very happy with it so far. Not sure it still qualifies as a Tyro79 but...
- Caddx Turtle v2 & glass lens fit perfectly in the frame if you switch out the vtx for the camera board. Enables nice FullHD 60fps recording;
- Mamba F405 mini mk2 fc&esc, because the esc it came with died pretty much immediately. Snug fit, great to work with;
- Eachine nano vtx & Foxeer Lollipop 3 antenna to replace original vtx and save space;
- Crossfire nano rx & default antenna converted to "almost immortal" antenna with zipties,shrink tubes and antenna caps;
- Dalprops cyclone 3056 props, triblade;
- Finder YR50b autonomous buzzer, to fight the tall grass ;) ;
- HGRC 3'' prop guards, black, modified to fit, so the missus lets me fly on home turf;

Let's see how long it takes me to also donate it to a tall tree... Happy flying ;)

Reply
Quadify RC
27/7/2020 10:55:12 am

Sounds like a nice setup Thomas!

I've actually bit the bullet by ordering another and will be writing a piece about turning it into a budget cinewhoop for those that are that way inclined. I've have all the parts already, just waiting on the tyro79 kit itself

Reply
Ryan T
2/10/2020 10:38:42 am

hi ive just purchased this kit myself im looking at using a crossfire nano i cant see anyone else using one can you let me know what pads you soldered to was it just tx1 rx1 and then the 5v and gnd next to the led?

Reply
QuadifyRC
2/10/2020 11:53:42 am

Morning Ryan

I've not used crossfire myself and know that inverted SBUS was on UART2. Try UART1, what you've described makes sense to me.

Tim
20/11/2020 05:42:35 pm

How did you wire up the crossfire

Reply
Pavel
2/8/2020 12:44:48 pm

Hey, thanks alot for a very useful guide.

Few nood question regarding motors:
1) Which of those alternative motors would you recommend if I wanted to optimise for flight time rather than raw power?
2) How would you rate them in terms of durability among themselves and compared to kit's motor? I busted two of original Eachine motors on a first non-trivial crash and looking for something slightly more durable.
3) Can you power RCInpower 1506s from 3S lipo?

Thanks!

Reply
Quadify RC
3/8/2020 08:55:30 am

Hey Pavel

My pleasure!

To answer you questions:
1) None of these. Instead check out these newer ones I reviewed. Great for efficiency and smooth flying https://www.quadifyrc.com/reviews/emax-eco-1404-brushless-micro-motor-review
2) Waaay better, the tyro79 motors are weak, have iffy bearings and the issue with the wires is well known.
3) Yes, I preferred them on 3s due to the very high kv.

Reply
Pavel Antokolsky
3/8/2020 10:10:23 pm

Thanks a lot for the explanation, this helps a lot. Emax 1404 sounds like an interesting option, however 9mm mount won't fit the original frame, and it looks like it uses a different prop mount system, so it isn't a drop in replacement. Also you mention that it is good for lightweight builds, and Tyro79 is not very light, especially if to shove an hd cam on top, something I was thinking about doing :)

Looks I'll have to look at once of the options you mentioned in the original article.

Ben T link
5/8/2020 03:21:30 am

Hey thanks you writing up this Tyro79 Modification Review! New to FPV scene and recently built the Tyro79 and flown for several weeks now.

One question, any way to further reduce static noise on the fpv camera specifically for the Tyro79?

I’ve been reading online about wiring the camera to the vtx or wiring vtx to a 5v pad? Currently using stock camera and vtx with Eachine EV100 goggles, will be upgrading soon using the list above.

Reply
Quadify RC
5/8/2020 08:44:51 am

You're welcome and glad to hear it is working well.

The static is a result of signal degradation between the VTX and your goggles and is typical of analogue FPV. The quality of the image when no static is the camera. Both are fairly basic on the T79 (and that is being kind) and are the first parts I'd upgrade.

Reply
Claudio
21/10/2020 06:58:33 am

Hello
I bought and assembled the Tyro79 after reading your article. Really well done.
Since it is my first racing quad I decided not to modify it to start flying LOS in acro mode.
It has the new FC (the LAL3 one) and the racestar 3040x3 propellers. I have installed an XM receiver and I have a QX7. The lipos are 850mah xf power 4s.
I am very satisfied. The Tyro flies well and betaflight stock seems to be perfectly configured.
Everything ok but I have a little big problem. I often have FC reset in flight. Failsafe?. I tried replacing the capacitor with a 450 micro farad and it looked better but it does. And I do not know what to do. Will it be the rx? Tx? The esc? I do not know. Today the crash was very strong. Thanks

Reply
QuadifyRC
21/10/2020 09:06:25 am

Hi Claudio
Thanks, glad it helped! A shame it is resetting in flight, I assume that means you are seeing the betaflight bootscreen pop up after the failure? My guess is the 5v regulator may be weak and it's possible that using an external 5v BEC may help?


I actually have a new one I've built (same as yours) and have been flying with the same gear and have used 4s 650mah, 4s 1000mah and 4s 1300mah without issue.

Reply
Tony Clark
14/3/2021 01:08:39 pm

It's very annoying that there are not many motors available with the same mounting pattern of 12mmx12mm, only the last ones you linked will fit I think.

Also, for anyone trying to get this flight controller to work with the crossfire nano RX, you should solder the nano RX to RX12 and TX2, and GND and 5v can go to anything. Once you power it and bind it, your radio should automatiically set channel 1 and 2 to CRSF TX and CRSF RX. Then enable serial RX in the ports tab for UART 2 and select CRSF in configuation tab. Hope this helps someone because I couldn't find much information on it at all.

Reply



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