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Posted by montis | Nov 25, 2018 @ 12:57 PM | 1,382 Views
I've received this newest Eachine TX805 VTX for a review and here are my impressions, tests and conclusions.
Eachine TX805 has 5 bands A, b, E, F, r, 40 total channels (including illegal channels 4, 7 and 8 on the band E according to FCC regulations), 5 power levels 25-200mw-600mw-800mw (we will test at the actual power output), SmartAudio for controlling the VTX settings remotely via Betaflight OSD. Eachine TX805 even has microphone on board for audio. TX805 can be mounted in the stack as it has two mounting holes with a pattern of 30.5mmx30.5mm. It has MMCX antenna connector which is superiour to small IPEX connector.

Package contents

TX805 comes with a VTX, MMCX linear dipole antenna, MMCX to RP-SMA or SMA adapter pigtail (can be selected on purchase) and a small instructions leaflet.

TX805 has 8 LEDs for channel, 5 LEDs for band and 4 LEDs for power output status display instead of the 7 segment LED module. This saves some weight and reduces the height of the VTX.

...Continue Reading
Posted by montis | Oct 03, 2018 @ 09:55 AM | 1,739 Views
Inside of the box there is only the VTX03S itself and the instructions leaflet.

The PCB layout is very similar to the VTX03 with some minor changes.

...Continue Reading
Posted by montis | Sep 23, 2018 @ 03:17 PM | 1,462 Views
In the August of 2018 Jumper introduced the T8SG Lite radio – the “little brother” of the Jumper T8SG.

Jumper T8SG Lite

Lite version of the T8SG comes in a small box, with a chance to be broken in the severe postal processes. I have received the undamaged unit despite my package beeing totally crushed.

Inside the box we can find the transmitter itself, USB mini type cable and nice Jumper neck strap (lanyard).

...Continue Reading
Posted by montis | Oct 19, 2017 @ 10:26 AM | 3,375 Views
FuriBee VR01 goggles were released quite some time ago, but they still can be interesting for the begginers in this RC hobby. Lets take a look at them in more detail.

Goggles package contents: The goggles itself, one circular polarized antenna, one patch antenna, power cable, video cable and instructions leaflet.

Goggles have three bands head strap, so they mount the head easily.

...Continue Reading
Posted by montis | Oct 09, 2017 @ 04:42 AM | 4,707 Views
AOKoda has released a series of 1S battery chargers. We have a choice of 3 chargers: CX605 (charge current range: 0.1A-0.5A), CX610 (charge current range: 0.1A-1A) and CX610 HV 4.35V version for charging LiHV batteries (but it can not charge 3.7V lipo batteries). Lets take a look at the CX610 version of the charger.

In the box you'll find charger istself, instruction manual, 3 pcs of JST-PH to micro Losi (Molex 2.0mm) and 3 pcs of JST-PH to JST 2.54mm apdapter cables.

Charger can be powered from XT60 plug. You can use bigger LiPo batteries in the field.  Charger supports 3-6S (9-26V) Lipo input. Alternatively you can power from DC roung 3.5mm jack input with voltage range of 9-26V.

On the other side of the charger you'll find micro USB power input (simple mobile phone charger can be used as power source) and USB port for charging output (0.5A-2.4A).
...Continue Reading
Posted by montis | Aug 23, 2017 @ 09:54 AM | 3,815 Views
Review of the RealAcc BlackBird 205 (also called BlackBird 208 or 210 mm) frame with assembly instructions.

Frame kit contents: 4pcs of 4mm arms, arms intersection plate, bottom and top plate, 2pcs of side plate, aluminium standofs, M3 bolts, nylon standofs, action cam holder plates, 4pcs of landing pads, battery holder plate with rubber bumpers, battery strap and basic Matek PDB board.

First impression: the CNC cut of the frame parts is ok, but the finishing is terrible – there are very sharp edges on the carbon parts. Several examples of the rough edges:

...Continue Reading
Posted by montis | May 04, 2017 @ 01:09 AM | 6,698 Views
Eachine QX110 V-tail is a brushed quadcopter with V-shape tail leg design. Such frame design in theory should improve the YAW performance. This is theory, but in practice not everything is as expected. This quad has several more interesting features – All in One Flight controller board with RX and OSD, programmable LED tail lights and a buzzer. RX is integrated into the flight controller and can be selected between DSM, Flysky and Frsky types. All in all it looks promising, so let’s start our review.

Eachine QX110 came in a box, packed securely.

Package contents:

No spare motors were included as stated in the contents list, but comes with a second battery instead. Batteries are 1S 3.7V 600mAh, C rating unspecified, so don’t expect much from these generic ones.
...Continue Reading
Posted by montis | Feb 18, 2017 @ 06:06 PM | 8,071 Views
A new super micro size brushless motor is comming - Racerstar BR0703 8000KV, 10000KV, 12000KV, 15000KV:

Available versions: 8000KV, 10000KV, 12000KV, 15000KV.

The first picture of this motor:

These are the preliminary specifications:

Discussion thread here:
Posted by montis | Feb 18, 2017 @ 05:27 PM | 7,571 Views
I have tested the flight duration of Eachine E010 ( with standart 4 blade propeller and custom cut to 2 blade propeller.
Battery used - standart Eachine 30C 150mAh

Eachine E010 - 4 and 2 blade propeller flight duration test (3 min 1 sec)

Test results:
Cutting off 2 blades of standart 4 blade propeller increases efficiency and flight duration up to +25%. You may lose some of the agility but will greatly increase flight times.

Flight duration:
4 blade propellers: 4:46
2 blade propellers: 5:58

Low voltage warning:
4 blade propellers: 2:38
2 blade propellers: 4:56
Posted by montis | Feb 04, 2017 @ 11:04 AM | 8,166 Views
I have tested Racerstar BR2205S 2300KV motor on the thrust stand.
Racerstar BR2205S 2300KV motor thrust test (1 min 44 sec)

Tested with:
Batteries: 3S and 4S, 3500mAh
ESC: Hobbywing XRotor 40A OPTO (

Tested props:
DALPROP 5045 2-blade (
DALPROP T5040 V2 3-blade (
DALPROP T5046 3-blade (
DALPROP Q5040 4-blade (
KingKong 6040 2-blade

Thrust test results datasheet:

This motor was providedx for review by Banggood. Motor can be purchased here:
Posted by montis | Jan 14, 2017 @ 01:15 PM | 8,173 Views
After the first test of stock E010, Chaoli CL-615 and Upgraded Chaoli CL615 motors thrust with the stock 4-balde propeller, I've decided to test the stock propellers, cut down to 2-bladed props. Results were as expected - the max thrust decreased while effectiveness increased. You can clearly see it in the charts. Pull thrust decreased 0.5g in average or 5% and effectiveness increased 0.22g/W in average or about 10%.
So cutting down 2 blades out of 4 wil give you a bit less thrust, but better effectiveness thus longer flight times.

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Thrust tests datasheet:

And thrust test video:
Eachine E010, Chaoli CL-615 and Upgraded Chaoli CL-615 motors 2 blade propeller thrust test (1 min 0 sec)

Also ordered Kados insane, Racerstar 59000RPM motors. Will be making tests with them.
Posted by montis | Dec 27, 2016 @ 05:04 PM | 8,344 Views
Thrust test of Eachine E010 stock motor, Chaoli CL-615 and Chaoli CL-615 Upgraded motors.

Motors used in the test:

Eachine E010 stock motors (

Chaoli CL-615 motor (
Chaoli CL-615 pack of 4x motors (

Chaoli CL-615 upgraded motor (
Chaoli CL-615 upgraded pack of 4x motors (

Test results:
Stock motors have shown very good results. Chaoli motors showed even less static thrust than stock motors. Chaoli CL-615 Upgraded version motors are really more powerfull, they spin a lot faster (you can even tell it by the sound of spinning proppeler).
If you decide to swich to the more powerful motors, I would recommend to upgrade a battery to the 45C 150mAh one (, as Chaoli upgraded motors draws more current (4x1.10A=4.40A) and weaker batteries have a lot of voltage sag.

Eachine E010 Chaoli CL-615 and Chaoli CL-615 Upgraded tiny whoop motors thrust test (0 min 54 sec)

Posted by montis | Dec 08, 2016 @ 02:41 PM | 7,565 Views
Remember the cheapest 2204 motor on the Banggood - Racerstar Racing Edition 2204 V2 BR2204 2300KV 2-3S Brushless Motor for $5.59?

Now it is even cheaper! If you buy a pack of 4pcs, then the price drops down to the $3.75 for a piece:

This price will be valid for a few days only.
EDIT: Appears to be sold out and not listed again...
Posted by montis | Dec 08, 2016 @ 01:47 PM | 7,514 Views
I have tested the static thrust of RF2205(S) 2300KV motor

Racerstar RF2205 2300KV thrust test (1 min 35 sec)

Tested with:
Batteries: 3S and 4S, 3500mAh
ESC: Hobbywing XRotor 40A BLHeli (

Tested props:
DALPROP 5045 2-blade (
DALPROP T5040 3-blade (
DALPROP T5046 V2 3-blade (
DALPROP Q5040 4-blade (
KingKong 6040 2-blade

Thrust test results datasheet:

This motor was provided by Banggood for review. Can be purchased at here:
Posted by montis | Dec 01, 2016 @ 01:38 AM | 8,521 Views

I have recently received a set of Racerstar RF2205 2300Kv motors from Banggood for a review. Motors came well packed in a carton box. Package includes motors, bullet type prop nuts and M3 steel screws. Motors are sold only in packs by 4 (2 CW + 2CCW). It would be great if Racerstar would offer an option to buy single motor. This will enable buying a spare one or a replacement for broken/bent/burnt motor. Personally I would suggest to sell only CW shaft thread version of these motors with a prop lock nuts. Lock nuts hold props hard enough on CW and CCW rotation motors there is no real need of different threads. Benefit of this is versatility of motor use – every motor can be either CW either CCW, no need to have 2 spares and in case of RF2205 - 4 spares.
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Comes in packs by four

Motors have solid hard steel shaft. That is one of the reasons why they are heavier than BR2205.
...Continue Reading
Posted by montis | Nov 25, 2016 @ 07:15 AM | 8,489 Views
I would like to share with you my shopping list for this Black Friday.


Tiny Whoop - Eachine E010 Mini 2.4G 4CH 6 Axis Headless Mode RC Quadcopter RTF
$ 11.99

FPV Camera for Tiny Woop - Eachine TX03 Super Mini 0/25mW/50mW/200mW Switchable AIO 5.8G 72CH VTX 600TVL 1/3 Cmos FPV Camera
$ 17.99

If you have VIP2 and some points, then, TX01 AIO camera costs around $15 Eachine TX01 Super Mini AIO 5.8G 40CH 25MW VTX 600TVL 1/4 Cmos FPV Camera
$ 14.93 - $ 17.99

EPP Flying Wing DW HOBBY Rainbow 800mm Wingspan RC Airplane KIT
$ 18.14

Zeta Wing Wing Z-84 Z84 EPO 845mm Wingspan Flying Wing KIT Green
$ 34.99

Eachine EX110 110mm Micro FPV Racing Quadcopter With 800TVL Camera Based On F3 Flight Controller
from $ 42.99


Foxeer Sony CCD V2 Arrow camera Built-in OSD Audio 5~35V (HS1190)
$ 29.99

Foxeer XAT600M DC5V-22V 600tvl Sony Super HAD CCD FPV Camera (HS1177)
$ 27.00

DALProp CYCLONE Series T5045C High-end Propellers
$ 1.99

FOXEER 5.8G Circular Polarized Omni TX RX LHCP RHCP Antenna (Mini Version)
$ 7.00

Foxeer TM25 25mW 5.8G 40CH Mini VTX with Race Band
http://www....Continue Reading
Posted by montis | Nov 14, 2016 @ 04:34 PM | 8,999 Views
This is my humble review of the Eachine ET526 VTX transmitter

This VTX has 4 power levels: 0 mW – 25 mW – 200mW – 600mW, 5 bands: A – B– C – D – E, 40 channels total.
Weight is 8.5 grams. This is slightly more than typical VTX weights and this is mainly because of the heat sink attached. Size is almost the same as other similar VTX‘es:

First interesting feature is Transmitting Power OFF on startup. Every time you power this VTX, it starts with TX power OFF (TX led is dim). You have to double click upper button after you power up the VTX to turn video transmission on.
Second interesting feature is on-board microphone, which can be turned ON and OFF
Changing of the channels and bands is done with lower button pressing. Short press of the button to change channel, longer press (2sec) for changing band and long press (5sec) for on-board microphone On/Off.
Double click of the upper button turns the video transmitting on. Longer press (3sec) changes power level selection 25 – 200 – 600 mW.
Cable is 6-pin JST-SH 1.25mm one. Cable has a 3-pin camera connector on another end of the cable, also female servo connector for Power in (7-24V) and female servo connector for PWM input. Camera connector compatible with Eachine 1000TVL CCD camera.
Antenna connector is SMA type. This is good for VAS/Fatshark users as their antennas have SMA connectors. Others can use SMA->RP-SMA type changing adapter (like this one: ...Continue Reading
Posted by montis | Nov 14, 2016 @ 01:41 AM | 10,496 Views
I have bench tested TX526, which I received from Banggood. Link to this video transmiter:

This VTX has 4 power levels: 0 mW – 25 mW – 200mW – 600mW, 5 bands: A – b – E – F – r, 40 Channels total.
Weight is 7.1grams, exactly the same as TX5828. Size is almost the same as other similar VTX‘es:

Changing of the settings can be easily done with just one button. Short press of the button to change channel, longer press (2sec) for changing band and long press (5sec) for power level selection.

It has RP-SMA antenna plug, despite some misleading information on the user manual leaflet.

Cable is 5-pin JST-SH 1.0mm one. The same cable and pinout fits TX5828 transmitter.

Current Draw measurements
Power level: 0 mW, Power usage: 40mA
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Power level: 25 mW, Power usage: 110mA
...Continue Reading
Posted by montis | Oct 12, 2016 @ 07:19 AM | 8,425 Views
Good deals continues. This time with additional 35% discount. Some of the deals:

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ZTW Spider PRO Premium 20A OPTO 2-4S ESC For RC Multirotor(extra 35% off coupon: RC200) final price is $6.88 . If you buy 4 of them price will be only $6.62

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Eachine camera and video transmitter combo 700TVL Cmos 110 148 Degree Camera ET200R 200mW 5.8G 40CH Transmitter extra 35% off coupon: RC200, final price is only $11.69

...Continue Reading
Posted by montis | Oct 10, 2016 @ 05:15 AM | 9,738 Views
I have received DYS 2830 1300kv motor from Banggood recently. I want to share my thoughts and test data of this motor.

Motor quality is very good. Feels solid and well-made. I have tested it with 3S and 4S with 8040, 8040E and 9060E props. Got good results with 3S battery, but my tested propellers were too big for 4S battery - motor gets too hot. So I quess that 7 inch sized propellers should be OK with 4S battery.

Note: If you decide to cut the shaft, then I advice to put motor into some plastic bag while cutting. This will prevent metal grinding particles from getting inside the motor (thanks to Mike Dubovsky for this tip!).

Tested props:
* GWS style 8040 prop
* APC style Gemfan 8040 (8x4)high efficiency propeller (you can find this propeller here:
* APC style Gemfan 9060 (9x6E) high efficiency propeller (you can find this propeller here:

APC style 8040 sized propeller is too big for 4S - motor gets too hot while testing. I suggest to use smaller than 8040 sized propeller for 4S battery.

DYS D2830 motor thrust test (1 min 40 sec)

Thrust test result sheet:

Unfortunately I dont have RPM meter (yet), so no RPM data.

+ Well-made motor
+ 3.5mm bullet connectors presoldered
+ Silicone wires (wires inside tubes)
+ Good thrust results
+ Best price

- Shaft is too long
- No label with size and kv on the motor

Bottom line:
Besides some minor issues, this is very good motor for medium sized planes. Provides more than 1Kg of thrust with Gemfan 9x6E high efficiency propeller (you can find this propeller here: ). Look at this thrust test at 4:55 of this video.

DYS 2830 1300kv motor review (7 min 18 sec)

This motor was provided by Banggood for review.
A link to the motor purchase page on Banggood site:
Leave a comment in a video/thread if you have any questions. Also tel me if you want a thrust comparison with NTM 2826 motor.