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QUADIFYRC Quadcopter reviews

Skyzone-Eachine Cobra X Goggles review: Box goggles I'd Actually use

4/2/2021

8 Comments

 
Working with Bangood's Eachine brand, Skyzone have release a new range of box goggles; The Cobra S and Cobra X which differ only in resolution (800 x 480 and 1280 x 720 respectively). In this review I take a close look at the Eachine Skyzone Cobra X goggles and show you why I think they are head and shoulders above any other current box goggle
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Let's get the Eachine thing out of the way first. This is simply a Banggood House Brand - they are just marketing and nothing to do with the manufacture. Manufacture is 100% up to Skyzone. Their brand is also on the line here and they won't release a rubbish product to mar the excellent name they have at present off the back of their excellent SKY03O goggles (reviewed here) and their stunning new SKY04X goggles.

Box goggles have traditionally been the realm of the beginner - Big and bulky with frankly ugly designs that were awkward to transport but they did have an advantage in that they had one massive screen. My first goggle were the Hobbyking Quanam Cyclops V1. They were a pain to carry, were heavy, looked ridiculous and were fairly uncomfortable but not since I have started using the DJI FPV goggles have I had such an immersive experience thanks the the large screen. The other benefit is that you can often wear prescription glasses with box goggles.
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These were my first box goggle. Had a great screen but thank goodness we've come a way since then 
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The Eachine EV800D has been probably the best box goggle for the last 4 or 5 years.
Given the benefit of the huge singe screen (which is cheaper to make than 2 small high res screens in binocular goggles) I'm surprised a premium box goggle hasn't been released sooner. In fact the 4+ year old Eachine EV800D is still considered to be the best option even though user interface, reliability and receiver performance are badly dated.
This is where the Skyzone Eachine Cobra S and X come in - a premium box goggle with all of the features that are usually reserved for much more expensive binocular goggles. Enough preamble, let's crack in to it.

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8 Comments

EACHINE SHADOW Fiend 4 inch long range Setup, review + Crossfire [Solved]

15/12/2020

24 Comments

 
The Eachine Shadow Fiend is a lightweight 4 inch quadcopter designed for long range flights. This version I have reviewed comes with the CADDX vista which is for the DJI HD FPV system. It is also available with the CADDX Nebula and analogue versions.
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Like with all products they make, the Eachine brand is never the first to invent or innovate a category but they are more of a "me too brand" where they look to provide a comparable product to the market leader at a lower price. I'll be very clear here and say that Eachine is a brand only and not a manufacturer. Thus they can have very good products and very poor product depending on which manufacturer is used. Make no mistake though, this category was made possible by the development work completed by Dave C and then picked up with his blessing by Flywoo. Check out Dave C's excellent channel Youtube, I have been a long time fan.

The Eachine Shadow Fiend is a 4 in long range lightweight quadcopter designed for endurance and effciciency rather than power for racing or freestyle and is heavily inspired but the Flywoo Explorer 4 LR, the Iflight Chimaera LR 4 and the Diatone Roma F4. All are based around a lightweight deadcat or squashed x frame, lightweight electronics, efficient 1404 motors that range from 2750 - 3500kv with lightweight 4 inch biblade props. Additionally all are available in digital FPV and analogue versions as you can see below:
At time of writing I have a 15% discount code for the digital versions of the Eachine Shadow Fiend 4" LR for the first 15 people making the Nebula version $238 and the Vista version $255 - only $100 more that the Vista itself. Code and links in the conclusion at the end.
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Eachine Shadow Fiend Analogue $154 at time of writing
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Flywoo Explorer LR 4 Analogue $159 at time of writing
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Iflight Chimera4 LR Analogue $179 at time of writing
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Diatone Roma F4 LR Analogue $169 at time of writing
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Eachine Shadow Fiend Digital HD Vista $280 at time of writing ($260 for nebula V2)
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Flywoo Explorer LR 4 Digital HD Vista version $319 at time of writing
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​Iflight Chimera4 LR Digital HD Nebula v2 version $299 at time of writing
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DIATONE Roma F4 LR Digital Nebula V2 version $279 at time of writing
I think this is a wonderful category because long range flight was previously limited by large, heavy and expensive 7 inch rigs which although lovely to fly, can be very expensive to lose on a failed long range run. Yes these smaller rigs are more susceptible to wind more than their larger and more powerful brothers but the lower cost and the bind and fly nature of these 4 inch version has popularized this area of FPV that was previously a little mysterious and hard to attain.

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24 Comments

Eachine Novice-i RTF KIT Review Part 1: Specs, build and custom pids / filters

1/11/2019

5 Comments

 
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The Eachine Novice I is a brushless 2s capable ducted micro FPV quadcopter that includes a basic transmitter, FPV goggles and batteries making it a genuine Ready To Fly (RTF) kit option for $145-$165 retail. It is available exclusively from Banggood here. The lightweight ducted frame makes it safe to fly inside and around people but it still has enough power to fly outdoors. Since it can run on 1 battery (1s) or 2 batteries (2s) you can fly it slow or fast. It will compete directly with the Emax Tinyhawk RTF which is 1s capable only and is $156 with only 1 battery. I've reviewed the Emax Tinyhawk here if you wish to compare.
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A closer look at the components:
Below are all the components, click through for more details or if you need to purchase spares
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Lightweight 1102 13500KV Brushless Motor
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lightweight durable frame
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lightweight canopy
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Nano-X F4 Pro AIO Flight Controller with integrated ESCs and frsky receiver
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Eachine Novice-I  Case Bag
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Runcam Nano 2 2.1mm Lens FPV Camera
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Nano 5.8Ghz 25/100/200mW  VTX
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​WT8 2.4Ghz 8CH Radio Transmitter

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5 Comments

Eachine Lal5 5" 4K HD REview Part 1: Specs and BEtaflight RPM filter setup

24/10/2019

14 Comments

 
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PictureEachine Lal 5 FPV quad
Introduction and spec

The Eachine Lal5 is a new 5" freestyle quadcopter from Eachine. It's most notable features are the new Caddx Tarsier V2 camera system that offers a high quality analogue feed and up to 4k HD recording. Also worth pointing out is the impressively specced powertrain - high quality 2507 1850kV motors that look like they are made by the same OEM as flywoo. These are the biggest motors I've seen on a 5 inch quad before. Further details on specs:
  • 225mm true x frame with 5mm thick arms
  • 2507 1850kv motors (1750g max thrust)
  • F4 flight controller with bluetooth control, 6 UARTs, barometer, 5V and 10V BEC
  • 50A BLHeli_32 ESC 3-6s
  • Caddx Tarsier V2 cam with 4k HD recording and ND8 filter
  • Eachine TX805 25-800mw VTX
  • RHCP antenna
  • Dalprop T5046c v2 cyclone props

Update: See the unofficial part 2 of the review here with low cost and effective upgrades
Build quality and component choice discussion

Electronics: Looking more closely at the electronics build it seems to be fairly well thought out. The primary stack contains the 50A BLHeli_32 esc, f4 flight controller and the TX805 VTX (my favourite budget vtx as reviewed here). Looking a little closer at the flight controller it actually has a barometer (for accurate altitude readings and bluetooth for connection via speedybee app. It also has a 10v rail for super clean video much life the Airbot Omibus F4 V6 which I love. Behind this there is a separate 20mm stack that holds the 2 boards that run the Caddx Tarsier v2. Aluminium standoffs are 30mm high so definitely not a low rider but the advantage is plenty of room to fit the stack with good spacing. The ESC has a 35v 470microfarad capacitor that should help manage voltage spikes and keep video clean and up front is the dual lens tarsier camera unit. Included is their ND8 filter which is a nice touch. The TPU 3d printed camera mount does a good job of bringing the camera forward to minimise props in view but still protects that camera well. Print quality is the best I have ever seen. Antenna is well integrated with the TPU mount but I fear signal will be blocked by the battery when flying towards myself - something I must test for sure. There is no receiver included but there is a loom pre-wired to 5v, ground and sbus for a frsky receiver. All pictures below can be embiggened
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Main 30.5mm stack with ESC, F4 flight controller and TX805 VTX
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Rear 20mm stack with the Caddx Tarsier V2 boards
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Plenty of room in this stack with 30mm standoffs

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14 Comments

Eachine RedDevil Review

29/7/2019

0 Comments

 
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The Eachine Red Devil is available exclusively from Banggood
Introduction
​The Eachine Red Devil is a 120mm "toothpick"class quad: an ultralight micro that is capable of swinging 65mm bi-blade propellers. This quad is very similar to the Happymodel Sailfly-X (which I reviewed here) but with a bump in specifications, particularly around the FPV camera and VTX. You can actually think of this as an updated Sailfly-x much like the Eachine trashcan (reviewed here) is actually an upgraded Mobula7 (reviewed here). Is it better than the sailfly-x though? Mostly less but it does feel like it needs a little extra to take advantage of this. Read on to find more.
What's in the pack?
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Like the Eachine Trashcan (and unlike the Sailfly-x) the Red Devil ships with a nice protective zipper case that you can store the quad, some simple spares and batteries in. It also ships with a simple but useful selection of spares as listed below:
The quad itself
  • 3 full sets of propellers (12 props) (spares here)
  • 3S 11.4v 300mah 30C/60C battery (spares here)
  • Propeller disassemble tool
  • Screwdriver
  • Eachine Handbag
A closer look at the specs:
  • Crazybee F4 v2.1 board - The quad is build around this very familiar all in one board. It has a F411 processor that is capable of 8k/8k Gyro/PID loop with all dynamic filters and features. It also includes a 4 x 5A esc that is capable of 2-3s including a very useful current sensor. Lastly it has a built in recevier (Flysky, FRsky or DSM) which makes it compact and light.
  • EX1102 8700kV motors - Nice light motors with 2 bearings, identical to the Sailfly-x's motors but supposedly a slightly higher kv.
  • Caddx EOS2 FPV cam - A polarising camera this one... I've had good and bad experiences with this cam. Superior to an AIO cam at day but surprisingly doesn't handle the low light as well
  • 25-200mW vtx - This is a welcome addition that means I can run more that the 25mW I'm limited to on AIO cams like those on the sailfly x. 
  • 2s 300mah 30/60c battery - Nice lightweight battery that suits the Red devil well. Same as the one included with the Sailfly-X
A closer look at the quad itself
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Same light but flimsy canopy as the Trashcan
There are a few surprising element to this quad that you wouldn't pick up on from specs alone. Firstly you'd expect that with heavier cam and vtx the quad would weight more than the Sailfly but surprisingly it doesn't - this is because the canopy is much lighter than the hefty 3d printed unit on the sailfly meaning that it comes in at a very familiar dry weight of 38g. This does come at a cost though as noted later in the flight review (jello).

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0 Comments

Eachine Tyro79: Build tips, Setup and Review

1/3/2019

18 Comments

 
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The Eachine Tyro79 is the second in Eachine's Tyro series, the first being the budget Tyro99 5 inch quadcopter kit. The most astonishing thing about this quadcopter kit is it's price - it is only $79 for a 3" kit. Clearly there have been areas where Eachine have cut costs but they've made a suprisingly good quad given those compromises.

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18 Comments

EACHINE VR D3 SETUP and Review- STARTER FPV GOGGLES

8/1/2019

10 Comments

 
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After quite a bit of teasing on their site, Banggood have released the Eachine VRD3 goggles for sale. These are a well-specced low cost 5.8GHz Goggle with DVR aimed at beginners or as a backup pair. On to discussion of the specifications below and what it included

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10 Comments

Eachine Trashcan: Setup and Full Review

2/1/2019

20 Comments

 
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Introduction
In the world of brushless ducted quadcopters (whoops) I have been lucky enough to review most of the big hype products - Happymodel Snapper7 and upgrades, Happymodel Mobula 7, Full Speed TinyLeader and now the Eachine Trashcan. Clearly it is a silly but memorable name and it will surely be easy to search for online. 
What is included?
For a budget micro quadcopter it comes with a remarkably well thought out and generous set of parts including
  • The quad itself (duh)
  • 4 x 300mah HV 1 cell batteries (that are used 2 at a time)
  • A PH2.0 bridge to allow 1 cell battery operation
  • XT30 connector if you wish to convert to true 2s packs
  • Basic USB charger 
  • A spare set of props
  • A nice carry case (The Emax Tinyhawk is the only micro to offer this till now)
  • spare screws and screw driver
  • A decent, well written colour manual in English
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It is great to see a case included here and like the mobula7, enough battery power to get flying in earnest. The included XT30 is a small gesture but a nice touch nonetheless.

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20 Comments

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