Eachine Cvatar: 3″ Freestyle Cinewhoop

About the drone

A bright nov­el­ty pre­sent­ed in August this year, the poten­tial of which has already been appre­ci­at­ed by many in the unmanned hob­by. Eachine Cvatar is a 3″ Cinewhoop FPV drone built on a 142mm car­bon fiber frame with ring guards designed to pro­vide ultra-smooth cin­e­mat­ic footage in envi­ron­ments where full size drones are not allowed to fly for safe­ty rea­sons. At the heart of the drone is the top-end F7 flight con­troller, work­ing in tan­dem with a pow­er­ful 4S / 6S pow­er plant. By default, it is equipped with an equal­ly pow­er­ful ana­log FPV sys­tem, with the abil­i­ty to retro­fit a DJI Dig­i­tal FPV sys­tem, which togeth­er pro­vides lim­it­less pos­si­bil­i­ties for cre­at­ing bet­ter video con­tent.

Peculiarities

• Drone weight (with receiv­er with­out bat­tery) 288.2 g
• 142mm car­bon frame with ring type motor guards
• Flight con­troller: F722 Mini Flight Con­troller (MCU: STM32F722 RET6; Firmware: Betaflight)
• ESC: 4 in 1 35A BL32 3–6S
• Motors: B/C 1507 3600KV/2400KV (for 4S/6S ver­sion)
• Pro­pellers: 3″ 3‑blade Gem­fan
• FPV sys­tem: Run­Cam Nano2 FPV cam­era (tilt adjustable) + 48CH 5.8GHz EACHINE TXC23 VTX 25/200/600/800mW
• Receiv­er (Option­al): FrSky R‑XSR/Frsky XM+/TBS Cross­fire
• The mod­el is avail­able in two ver­sions 4S and 6S
• Rec­om­mend­ed pow­er: 4S/6S 1300–1550mAh LiPo with XT60 con­nec­tor

Equipment

The devel­op­er offers both ver­sions of the Cvatar drone in two con­fig­u­ra­tions with a receiv­er (BNF) and with­out a receiv­er (PNP):

1. BNF pack­age (with option­al receiv­er: FrSky R‑XSR/Frsky XM+/TBS Cross­fire)
2. PNP pack­age (with­out receiv­er)

User’s Man­u­al

Specification

Frame

Type of:

3″ Cinewhoop frame

Diag­o­nal size:

142 mm

Mate­r­i­al:

Car­bon fiber + TPU

Dis­tance between top and bot­tom plate:

25 mm

Top plate thick­ness:

2 mm

Bot­tom plate thick­ness:

2 mm

Com­pat­i­ble FPV Cam­era:

19/20 mm

The weight:

92.4 g (with­out TPU ele­ments)

PC

Name:

F722 Mini Flight Con­troller

MPU:

MPU6000

MCU:

STM32F722 RET6

Input volt­age:

2–6S Lipo

Barom­e­ter:

BMP280

Flash/Blackbox:

8 MB

UARTS:

5 ports

Firmware:

EACHINEF722.HEX

Dimen­sions:

28.5×28.5mm

Mount­ing hole size:

20 mm M3

The weight:

3.7 g

ESC

Name:

35A BL32 3–6S 4in1 ESC

MCU:

STM32F051

Input volt­age:

35A

Continuous/Peak cur­rent:

35/40A (10 sec)

Dimen­sions:

32.5×31.5mm

Mount­ing hole size:

20 × 20 mm M2

The weight:

6.5 g

Motors

Name (4S/6S):

1507 3600KV Brush­less Motor/1507 2400KV Brush­less Motor

KV (4S/6S):

3600/2400KV

Entrance. volt­age:

3–6S

Rec­om­mend­ed pro­peller size:

3 inch­es

The weight:

15.9 gr

Propellers

Brand:

Gem­fan

Name:

Gem­fan 75mm 3 Inch 3‑Blade Pro­peller

Mate­r­i­al:

Poly­car­bon­ate

Mount­ing Hole:

5 mm

Thick­ness of the cen­tral part:

7 mm

Weight of one prop:

1.9 g

VTX

Name:

EACHINE TXC23 VTX

Num­ber of chan­nels:

48

Out­put pow­er:

PIT/25mW/200mW/600/800mW

Input volt­age:

DC 6V~36V

Anten­na:

MMCX

VTX Func­tion:

IRC Tramp

Weight (with­out anten­na):

5 g

fpv camera

Brand/Model:

Run­Cam Nano 2

Matrix:

1/3″ CMOS

Hori­zon. per­mis­sion:

700TVL

Lens (option­al):

2.1mm (M8) FOV 155°/1.8mm (M8) FOV 170°

TV sys­tem:

NTSC/PAL (Auto)

Email gate:

Auto

Audio:

dig­i­tal mic

Sig­nal to noise ratio:

>50 dB

AGC:

Auto

Min. light­ing:

0.01 lux at 1.2F

DWDR:

Auto

Day/Night:

col­or

Food:

DC 3 — 5.5V

Cur­rent:

110mA @ 5V/120mA @ 3.3V

Case mate­r­i­al:

ABS

The weight:

3.2 g

Dimen­sions (L/W/H):

14×14×16mm

battery

Rec­om­mend­ed bat­ter­ies:

4S/6S 1300–1550mAh LiPo with XT60 con­nec­tor

Max. allow­able size:

77 × 38.5 × 32.5 mm (L × W × H)

Appearance

Price

Both ver­sions (4S/6S) of the Eachine Cvatar are avail­able for pur­chase on var­i­ous online mar­ket­places. The devel­op­er has set the fol­low­ing prices depend­ing on the choice of con­fig­u­ra­tion and receiv­er:

4S/6S version:

1. BNF bun­dle (with receiv­er: FrSky R‑XSR) — $210
2. BNF bun­dle (with receiv­er: Frsky XM+) — $203
3. BNF kit (with receiv­er: TBS Cross­fire) — $ 223
4. PNP bun­dle — $185

Conclusion

Best Freestyle Cinewhoop FPV Drone of 2020 in Val­ue for Mon­ey. The car received good com­po­nents and excel­lent fac­to­ry set­tings, which at the out­put pro­vides an expo­nen­tial­ly smooth and dynam­ic flight, espe­cial­ly for the 6S ver­sion. We also attribute to the plus­es of DJI the train­ing that allows you to install the DJI Dig­i­tal FPV sys­tem with­out any “col­lec­tive farm” mod­i­fi­ca­tion of the drone, and of course the afford­able price tag in the niche it occu­pies.

Both ver­sions per­formed great on TATTU 4S 14.8V 1550 mAh 120C Lipo and TATTU R‑LINE Ver­sion 1.0 6S 22.2V 1050 mAh 95C LiPo, respec­tive­ly. Although the stock Gem­fan props pro­vide a gen­er­al­ly nor­mal drone flight behav­ior, it is rec­om­mend­ed to replace them with the HQ Prop Duct 3 Tri-Blade 3″.

Video

Cinewhoop FPV Flight Review of Eachine Cvatar 4S Drone from Drone Camps RC.