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Eachine CVATAR Cinewhoop Review

7/9/2020

14 Comments

 
The Eachine CVATAR is the first true Cinewhoop to fall under the Eachine Brand. A Cinewhoop is a larger ducted quadcopter which is safer around people and objects thanks to shrouding of the propellers and soft foam padding which allows it to bump off objects without damage to the quad or object. It is available in 4s and 6s version which differ only in motor KV. The Eachine CVATAR is available exclusively from Banggood here: Eachine CVATAR ​3 Inch Cinewhoop Duct FPV Racing Drone
Picture
No doubt there has been an explosion in the popularity of Cinewhoops because of the kind of footage you can capture in HD - slower, smoother and more stable akin to a gimballed camera but without the limitations. The CVATAR follows the increasingly common format of 3 inch ducted cinewhoop in a very versatile package with mounting options for all the popular HD options including compact session-style cameras, full size go pro 6, 7, 8 cameras and the necessary parts for securely mounting the full DJI air unit. For this review well have a closer look at the specs, the setup of the quad and then the performance with the recommendation conclusions last.
Specification breakdown
For my review I've chosen the 6s version over the 4s as I have preference the versatility that lower 6s motors offer. Motor kV is the ONLY difference between the versions
  • 20mm F7 Flight controller 2-6s with barometer. F7 is the latest processor size and is well future proofed plus it is inbuilt UART inversion - no separate pads for SBUS required
  • ​20mm 35A BLHeli_32 2-6s ESC Plenty of current overhead here and BLHeli_32 means rpm filtering is supported natively
  • TXC 0/25/200/600/800mW vtx Looking closely it looks like Eachine have used the same manufacturer for this VTX as the Eachine TX805 i.e. AKK which make excellent VTXs. Plenty of power options up to 800mW on this one
  • Runcam 2 Nano FPV Cam Cost effective lightweight cam that has been proven to work well.
  • 1507 2400kv motors I like the low kV option that gives you lots of choice with batteries. Tall stator offers a little more high rpm power than I think is necessary but they do look well made with the 1 piece bell and flux ring to stop magnets slipping.
  • Gemfan 3 inch cinewhoop props. These are specifically designed for cinewhoop ducts and supposedly offer very good life in this application
  • RHCP RP-SMA VTX antenna. UGH! why RP-SMA when SMA is the accepted standard. I swapped to SMA since I used LHCP antennas. Fine if you use RHCP though
Picture
1507 2400kv motors on on the 6s version have a single piece bell and look to be well made.
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Stock antenna is nice and sturdy but annoyingly it runs the less common RP-SMA connector. I've changed mine since these photos with a cheap MMCX to SMA adaptor.
Picture
I'd have preferred injection moulded ducts but know they require large MOQs. These are PLA and a spare in included.
Setup
The factory tune is based on Betaflight 4.2.0 which at time of writing is the latest main release. It already has a custom PID tune so I've chosen not to adjust. Since the ESC is BLHeli_32 and supports native RPM filtering, I haven't needed to update ESC firmware. All I have done is enable RPM filtering and adjust the filters to suits as below as per the betaflight 4.2 tuning guide. No hardware changes have been made prior to the first flight. With this configuration my motors have only ever been just warm and certainly not hot so given what I read about other models and tunes, I'm pretty happy about that.
eachine_cvatar_factory_diff_all_4.2.0.txt
File Size: 2 kb
File Type: txt
Download File

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Here are is the standard port setup for the TBS crossfire version
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Changes I made in my diff below to allow RPM filtering with the correct amount of poles
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DHSOT beacon set up for beeper on a switch
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Here are the custom PIDs as set from the factory
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Some of the filters turned down to allow for RPM filtering
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Thankfully the VTX tables are loaded in the stock tune
Below is the Diff of my settings with the revised settings to take advantage of RPM filtering.
eachine_cvatar_quadifyrc_diff_all_4.2.0.txt
File Size: 3 kb
File Type: txt
Download File

FPV Performance
Nothing much to write about here. I'm very familiar with the runcam nano 2 now which is a simple cam with no adjustments that performs well. VTX offers a clean and powerful feed. You're probably fairly familiar with the runcam nano 2 image by now so haven't included the DVR
HD Video recorded with a Runcam5 turned superview with RCSchim's script. Need an ND filter and a less windy day but you get the picture.
Flight performance
This is my first time flying a cinewhoop so the loud noise these things generate take a bit of getting used to as do the flight characteristics. I'll cover off the flight performance first since I'll cover off the noise with some potential solutions below.

Flying a cinewhoop takes a little getting used to for the first time and it really helps if you consider the objective when you do - getting clean footage. This is because the ducts hugely change flight performance compared to regular non-ducted quads. Specifically they are more sluggish on pitch and roll, more hesitant to move quickly and are a little more uncomfortable with big stick inputs. All of these down sides actually helps to smooth footage though because they really take the 'jerkiness' out of flying. Furthermore the ability to fly close to the group and remain stationary to get your shot is vastly superior to conventional quads. I apologise that this is probably a generic 3 inch cinewhoop thing as being unique to the CVATAR but for what it's worth the CVATAR seems to have one of the lighter and better integrated designs in the category so I assume this would translate to a good performance within the category.

Personally I prefer to fly the 6s version as I have here on 4s. Although it takes more throttle to get moving, the additional throttle resolution is nice and I don't the extra thrust to do massive punch outs or pull out of power loops because this isn't what this style of quads is about.

The ducts of cause numb the flight characteristics and make them safer around people and objects but it also make it fun to donk into things and push light leaves, bushes and branches out of the way which is quite a unique and fun experience in a little quad. For this reason I strongly recommend turning air mode off to stop the quad freaking out. I don't this this will disadvantage you elsewhere since you aren't likely to use it anyway with cinewhoop style flying.

Cinewhoop style quads including the Eachine CVATAR are really sensitive to with. this is because they have such a large surface area and relatively low thrust to weight. On one flight on a particularly gusty day the quad had to work very hard to get back to me against a strong wind.
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This is a FULLY loaded weight with a particularly heavy 1000mah 6s battery and HD Cam
Picture
Noise
As I mentioned the noise of these is disconcerting and at first you think something is wrong. Then you do a bit of reading and realise this is pretty much everyone's first reaction and just get on with it. It's a shame though - with the guards and foam bumpers these are much safer around people but the noise would just draw too much attention. The prop manufacturers have picked up on this and both gemfan and HQprop have released props to suit - gemfan with the 5 blade d76 prop and HQ with the 6 blade prop (will link here when released). Even if the design doesn't reduce the overall noise, the extra blades will increase the pitch of the noise and make it a less offensive. 

Upgradability
The included 3d printed parts are really nice since not everyone has a 3d printer. These include options for mounting a 3d box-style cam like I've used, a full sized gopro 6/7/8 that includes a well made adjustable angle mechanism and of course the parts needed to soft mount the DJI HD air unit and hold it firmly in place.
Picture
I used the 3d printed TPU mount for little box cams with my Runcam 5 HD Cam. It is a shelf style mount which I think is appropriate. The extra strap shown is included
Picture
On the left you can see the full size gopro mount with adjustable hinge and the DJI air unit parts. 
Conclusion and Recommendation
If you are looking for a cinewhoop, the Eachine CVATAR seems like a good option and I'd recommend the 6s version as it gives you more versatility with batteries. Like every other cinewhoop in this size they make a lot of noise but this can be somewhat mitigated with the new generation of cinewhoop props that have more blades. The quad is very smooth and the design seems to remove the jerkiness from less controlled stick inputs which gives you a better opportunity to get the perfect shot. Furthermore the ability to hover in a stationary spot is second to none.

The Eachine CVATAR has a nice set of electronics with good future proofing and a reliable video system that is easily upgrade to DJI if you wish however I think these quads are more about getting the best HD footage with an external cam rather than the direct enjoyment through the goggles. The frame is well made and the foam bumpers are nice and given the circumstances are probably about as light as you can expect. The complex frames and relatively high grade of electrics required usually mean that Cinewhoops are not usually the cheapest quads out but the Eachine CVATAR is one of the less expensive ones out $180-190 retail but has been on special for as low as $148 - see my coupons page for the latest deals if you are looking to buy this in particular
Picture
The Eachine CVATAR Cinewhoop is available exclusively from Banggood in 2 versions (I reviewed 6s version). Both are available here:
Eachine CVATAR Cinewhoop FPV Quadcopter
​​​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
14 Comments
Roy Pettit
13/9/2020 11:28:06 am

I can't get the $148 coupon to apply on the Eachine Cvatar. Do you have an updated coupon? Thanks.

BTW, excellent review!

Question, does the Cvatar have a DVR?

Also, how does it do on holding altitude in a hoover? Unfortunately the cinewhoops don't have altitude hold, which is really needed for steady video shots -- their purpose in being.

Reply
QuadifyRC
13/9/2020 01:17:16 pm

Thanks! No onboard DVR but you can use if you have on your goggles. These are really designed for onboard HD recording. Looks like that particular sale finishes today, they may have all sold out? Try code bgaff10off instead @ this link: https://bit.ly/2ZmUq0a

Reply
Tony link
9/11/2020 06:33:10 am

Seeing as one option is the FRSKY XM+ reeiver, is it possible to bind through Betaflight please?

Reply
Dee LeBlanc
27/2/2021 07:09:52 am

I purchased this Cvatar cinewhoop. I am very disappointed in the lack of instruction. I purchased this without a receiver and want to put a spektrum receiver in it so I can use my spektrum transmitter. Is there any website or forum where I can get detailed information on how to install a receiver on this unit. Thanks for your response.

Reply
Charles link
28/2/2021 08:55:01 pm

There goes the manual for the set up enjoy.

Reply
Tony
1/3/2021 02:20:58 am

Thanks Charles, Mines been in mothballs since last December so time to get it out and have another go.

Michael Hulas
14/3/2021 06:39:56 pm

Thanks so much for this review and for supplying the set up manual, this is my first quad that I recently purchased and I too was disappointed that there were no instructions included. I do have one question though, what are those 5 little clear plastic pieces that are included in each of the 2 prop bags. They are very small with a needle size hole in the center, there are 4 props in the bag but 5 of these pieces. Thanks very much. I really like your site, I’m glad I found it. Mike Hulas.

Reply
Swend
20/5/2021 09:56:29 pm

These are the adapters for the propellers, they are used for engines different from that of the cvatar

Reply
Michael Hulas
31/5/2021 05:29:24 am

Thanks very much, I just now saw your reply that’s why I just now replied myself.

swend
20/5/2021 10:02:48 pm

Hello and thank you for this article. I have been in possession of the cvatar for a few months (model with the old propellers) and the engines never heated.
I wanted to fit the new propellers and now my motors heat up even with your settings
What parameters can I play with?
Thank you

Reply
Jordan Tavenner
31/5/2021 03:08:50 am

I'm currently upgrading mine with a dji air unit. From what I gather in the manual I just plug it into the unit and remove the old frsky components. Is that right?

Reply
Michael Hulas
31/5/2021 05:31:05 am

Yes, I believe that is all you need to do.

Reply
Martin
1/2/2022 09:34:01 am

Hi Guys i Have a 6s version of this one, but accidentaly i have reseted all settings... :/ since then its just sitting on the shelf as i doesnt fly as it was anymore....
Any chance You can share Your FULL CLI DUMP with analog 6s version ? Please, i cannot find it anywhere on the internet.

Reply
lLithium Ion Battery Pack link
12/1/2023 07:25:14 pm

Dear Sir,

Good day! This is Zoe from HLK Power.

Glad to know your comrpany in FPV market and have demand for Lipo battery.
We produce Lipo battery more than16 years. With great power output and long cycle life.
Through your website, here’s some popular FPV series LiPos:

Product No. Approx Dimensions(mm) Approx Weight (g)

HLK-1500/45-4S-HT 31*34*75 159
HLK-1300/75-6S-HT 49*34*75 238
HLK-1300/100-6S-HT 49*34*75 237
HLK-1300/120-6S-HT 46.2*34*75 236
HLK-1300/150-4S 25*38*75 160

If you have interest in it, please contact us. We sincerely hope to establish business relationship with you.

Yours faithfully,
Zoe
HLK Power
www.hlk-power.com

Reply



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