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Full Speed Leader 2.5 Setup, mods and review

1/11/2018

4 Comments

 
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The Leader 2.5 is a recent release from FullspeedRC and as well as being available on their own website, is also available from Banggood and Gearbest. If you do decide to purchase, Fullspeed over many more customisations and offer free shipping till Jan 2019. The Leader 2.5 follows the recent Leader 3 but is limited to 2.5 inch rather than 3 inch propellers. My objective for this blog is not to write a tradtional review due to the similarities to the Leader 3 but to cover the keys settings and physical changes I'd strongly recommend to enjoy this quadcopter.


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3 inch T-mount Propeller Comparison

24/9/2018

1 Comment

 
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T-mount propellers are those that are based on a 1.5mm diameter centre shaft secured by a 2mm screw either side. They have been the only mounting option for 2-2.5 inch props but are now becoming more popular for 3" due to the weight they save over a 5mm single shaft prop mount. There are only 4 different types of t-mount 3" prop currently available so I've compared them all plus the new HQ 2 blade which is due for imminent release plus a darkhorse prop in a smaller size to make up the numbers. Please note this is a subjective comparison based on my opinion but my help as a startpoint for your decision. This is based on real world feel, light time and bitter experience with motors I've burnt out.
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Emax Avan 3 inch tri-blade
This is the first modern design 3 inch prop designed for a t-mount which was released with the 3" Babyhawk R (reviewed here).
  • Weight and Response: 1.27g This is very light for  tri-blade and mass is concentrated near the hub meaning response is very good for a triblade of this pitch.
  • Pitch: Mid-range. This is well suited to 3s on an 1106 4500kV and will manage a 4s as well but is reasonably amp-hungry. Make sure your motors are not hot.
  • Balance: Very good, typical of modern tri-blade
  • Durability: Low-medium. Less material on the outer part of the blades means they bend/break easily, especially towards the edge of the blade
  • Other notes: warning: given the unique design of the blade near the hub, this is unlikely to fit any motor with a stator size larger than 11mm. Update: confirmed these fit successfully without modification on the RCX 1304. New RCX 1306 unconfirmed.
  • Recommendations: Excellent on 3s but be cautious on 4s considering this is limited to 13mm stator size
  • Available from: Banggood, Hobbycool

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Unique blade design close to hub means 11mm stator (maybe 12mm) is maximum
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HQ 3x3x3 v1s tri-blade
HQ props have the newest 3" t-mount prop design at present. This has been chosen as the stock propeller for the Full Speed Leader 3 (initial review here and flights here)
  • Weight and Response: 1.49g Traditional blade design meaning response is in-line with weight: slow (in this class)
  • Pitch: Agressive. On an 1106 4500kV motor with 3s this is amp hungry and with 4s it consistently burns out motors (as I found here with the Leader 3) Should suit the larger stators like the hypetrain brat 1407 well.
  • Balance: Excellent, typical of modern tri-blade
  • Durability: Medium-high. Ever since the launch of the original 5x4.3x3 v1s, HQ have really got their prop material sorted.
  • Other notes: I believe this agressive pitch is the reason behind the premature deaths of the original Leader 3 release. I'd recommend against using these on 4s for 1106 and below.
  • Available from: FullSpeedRC, Piroflip

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Gemfan 3035 triblade
This is quite an old prop and can be hard to find but is still suprisingly relevant.
  • Weight and Response: 1.42g This is a midweight prop and response is medium for a tri-blade
  • Pitch: Light. A light pitch means this is a good option for higher kv motors on 3s or 4s on 11mm sized stators. Probably a little light for motors with larger stator sizes.
  • Balance: Good,typical of a tri-blade.
  • Durability: Medium - probably slightly better than the avan.
  • Other notes: This is a good match for 11mm sized stators and some have found that running this prop on the Leader 3 can prevent motor failure on 4s without an appreciable loss in speed compared to the HQ 3x3x3 - probably because it can get this prop to peak speed unlike the HQ. Probably a bit light for larger motors. Can be hard to get hold off but Banggood and HobbyCool seem to have stock for international delivery.
  • Available from: Banggood, Gearbest,Hobbycool

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Gemfan 3025 bi-blade
This is the original 3" t-mount prop and so can be found for sale in weird and wonderful places
  • Weight and Response: 0.97g This is an extremely lightweight prop and reponse is very high as a result.
  • Pitch: Very light. A very light pitch means this is a good option for higher kv motors on 3s or 4s on 11mm sized stators. Probably wasted on anything larger than an 1106 unless you are looking for endurance.
  • Balance: Mediocre. Not intrinsically bad but being a bi-blade means it is prone to become unblanced quicky when damaged
  • Durability: Very poor. Short of landing on a pillow these are easily damaged
  • Other notes: This is a good match for 11mm sized stators that can be guaranteed not to stress your motors. I've even run these on 1103 motors on very lightweight builds. This is a really good match with 4s 1106 like on the leader 3 or babyhawk r but have poor grip when the weight is higher. Best prop available if you are superlight or want super-endurance.
  • Available from: Banggood, Gearbest,Hobbycool

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HQ 3x3x2 v1s bi-blade
Just released at the time of writing: as per the 3x3x3 above but bi-blade rather than triblade. Disclaimer: I have not tested yet and below information based on assumptions from comparing bi-blades and tri-blades in general. Will update once mine arrive and I've tested.
  • Weight and Response: 1.1g (est.) Bi-blade means this is a light prop and should be very responsive
  • Pitch: Agressive. Shoud be less amp hungry than the tri-blade version but would still recommend excercising caution using 4s on an 11mm stator size.
  • Balance: Good however being a bi-blade it is more prone to getting out of balance.
  • Durability: Medium-high: same as the tri-blade
  • Other notes: Although this still has an aggressive pitch, 1 less blade should mean this is less of an amp-hog for a given thrust i.e. it should be efficient at the cost of grip. Consider this for a lighter build or for extended endurance but expect to use more throttle to hold a line on cornering.
  • Available from: RaceDayQuads

Dark horse to consider...
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Gemfan 2540 flash triblade
Yes this is a 2.5" prop but objectively it is so good it is worth considering downsizing. You can find an earlier review I did on these here and a review on the Skystars Bolt X120 which uses these on 4s here
  • Weight and Response: 1.0g This is a very lightweight prop and response is very good - especially if it is on a motor designed for a 3" prop
  • Pitch: Agressive but since the blade length is smaller it won't stress your 11mm stator size motor. Pointless on any motor bigger than that (except perhaps the 1404/1304)
  • Balance: Excellent
  • Durability: Excellent. This is the toughest of the lot
  • Other notes: The standout prop in the 2.5" class punches above it's weight in 3" quads. It's durable and won't stress your motors (even on 4s) but it naturally delivers less maximum thrust and efficient due to it's size. I wish they'd make this same prop extended to 3"....
  • Available from: Banggood, Gearbest,Hobbycool, Piroflip

Others:
Please note the King Kong 2840 propeller was not included here because I found the Gemfan 2540 superior in every way. Also I have not include the Rotor X 3044 because it is difficult to source where I am based. The feedback that I have had is that it is more aggressive in pitch than any of the above props and probably only suitable for for stator sizes 13xx and up.​
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FULL SPEED RC LEADER 3 SE REVIEW PART 2: Flight performance on 3s and 4s

6/8/2018

0 Comments

 
If you haven't yet seen the first part of my Leader 3 (SE) review, click here. In it I cover an overview of the New Leader 3 including full discussion of the components, build and software setup. A quick correction too: I mentioned originally that the flight controller (namely the gyro) will only do 8kHz loop times. This is incorrect - it will actually run up to 32kHz! Certainly the first I'm aware of on a board this size and something for me to test in future.
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Before I go any further I should note that my Leader 3 is a review model and so there may be minor improvements in the final version shipped to buyers. I'm in regular contact with Full Speed RC to give them feedback on what I find to assist with these improvements. The Leader 3 is available directly from FullSpeedRC.com, Gearbest or Bangood.

Video performance
Since FPV performance is common between 3s and 4s I thought I'd cover that first. In short it is outstanding. Fullspeed RC shared a lot of the development of the included TX600 vtx with me an a lot of effort went in to ensuring a clean video signal all the way up to 600mW and the results sure doesn't disappoint. The result is that the Leader 3 has the cleanest video signal I have every used. There is absolutely no impact of throttle or other electrical noise on signal and it is hard to put in words just how much more enjoyable this makes the signal. I do miss the audio that AKK VTXs allow for but most people don't rate this as being important, especially on a micro. It's noteworthy that the the transmission power will go as high as 600mW - equalled only by the AKK FX3 ultimate (review here) in this form factor. OSD control of settings via Tramp works as expected. Antenna connection is via UFL is common for micros and fit for purpose.

No propellers in FPV view
Great news for those who don not like seeing their propellers - the frame design means that even with fairly modest camera angles of around 35°and up there are no props in view. Hopefully this is clear from my videos below. This also make the drums for a Caddx Turtles HD camera install beat even louder...

Camera Angle
I wanted to clear things up on camera angle since Nick Burns mentioned it couldn't go past about 45° in his otherwise excellent review. I can confirm that the camera connector does not foul on the flight stack and does infact smoothly go all the way up to about 90° amgle. Pictures are best here so please see below:

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Hats off to you if you fly at this camera angle
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Performance on 3s
When the Leader 3 was shipped to me, 2 custom PID prodiles were programmed in by fullspeed, Profile 1 was designed for 3s and profile 2 for 4s. 3s was tested with profile 2. Both of these profiles can be seen in full in part 1 of the review here. For 3s testing I used Turnigy Nanotech 3s 450mah 65c batteries. They weigh less than 45g meaning all up weight was around 140g. Flight time using these batteries was typically around 2.5-3 minutes with batteries coming to a resting voltage of arounf 3.75v per cell.

Flying exclusively with the HQ 3x3x3 propellers flight felt very 'balanced' - what I mean by that is the quad didn't feel overly heavy (or light), top speed was fast enough but not ludicrously fast like the Skystars Bolt X120 on 4s (review here). It was however very predictable - I could hit gaps and avoid obstacles in a way where I felt I had complete control. It was fairly similar to the way the Emax Babyhawk R 3 inch felt (review here) but the HQ props felt more predictable and familar compared to the EMAX Avans. This makes sense - both the Leader 3 and Babyhawk R are of similar weight and with 1106 4500kV motors on 3 inch props and both have optimised PID tunes. Full Speed RC seem to have done a good job on the tune here not just for the feel during flying but also in keeping propwash to a minimum, even when I tried to put myself in dirty air in 180° turns or descending directly down.

Below is a video from an early flight (2nd pack ever) in a local carpark. Typical I had DVR issues in a flight later that day where I'd gotten more familiar with the flight characteristics :/
Performance on 4s
The battery I used for all 4s testing was the China Hobbyline Ministar 4s 650mah pack. It is an excellent battery that I even use on my 4 inch racer so is very capable although a little heavy at 87g.

First of all I'm going to talk about straight up speed and my perception. It did not feel as fast as the Skystars Bolt X120 using the same battery. This is not an objective measure, purely feel. It did feel faster than the Babyhawk R 3" using the same battery.

To dig in to this further though I do need to say that that Skystars Bolt X120 is very hard to control with this battery and I did not enjoy flying it because it felt difficult to control. It felt like it needed more open space which then kinda defeats the purpose of a micro. By comparison the Leader 3 felt in complete control using 4s and PID profile 2 as customised for 4s by Full Speed RC. As a result it felt right at home on 4s with all the control and balance I felt on 3s. I think part of this is due to tune but moreso that that larger 3 inch blade is able to better support the additional weight from the heavier pack and hasn't overloaded the propeller (disc loading theory).

All other features of flight were similar to 3s - excellent video, precise handling and minimised propwash. I was really enjoying flying this until...
Disaster Struck!
When I first received this model, Full Speed RC cautioned me to use 4s using the smaller Gemfan 2540 props (review here) since motors could overheat. Since I was the only reviewer to receive mine where it is winter presently rather than summer, this was less of an issue although I did keep an eye on motor temps. For this reason I stuck with the included 3 inch props for 4s.

About 10 packs in of warm motors (40-50°C only) I fell out of the sky when attempting a short speed run (see video below). On closer inspection the left rear corner had failed that I could later confirm as a motor failure (as opposed to ESC). The motor definitely was warm only as above and not hot. The only other time I've had a motor failure was on the babyhawk r when I used PIDs with too much P and D on 4s and even then the motor did not fail mid flight, rather afterwards intsead. This motor was scorching hot.
I discussed this with Full Speed RC and found that they will be using a stronger motor on the production version - the review version like I have are a prototype. As you can see below when comparing to my burnt out motor on the Emax Babyhawk R, the Fullspeed one does not look nearly as abused - it failed at a much lower load. Interestingly shortly after this I saw Andy RC's review and found he had an identical problem - motor failed mid run using 4s with HQ 3x3x3 props. Update: The prototype motors are actually 4800-4900kV and the production version will be 4500kV.
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Coil lamination seem to have failed without excess heat in the fullspeed motors?
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I absolutely cooked these emax motors - came down scorching hot and even then didn't fail mid flight.
So, what does this mean for you? Until I can confirm that Fullspeed RC have moved away from the proptotype motors I can't recommend using the HQ 3x3x3 props with 4s, even in cold weather. For now stick with Gemfan 2540 props on 4s. Of course if it ships with new motors then all bets are off. Full Speed RC is sending me a full set of new motors so I will test with these and post my results in a follow up review as soon as I am able. Update: The prototype motors are actually 4800-4900kV and the production version will be 4500kV.
Conclusion
The  Full Speed RC Leader 3 is as an excellent flyer on 3s - great video signal and predictable handling make for an enjoyable flying experience. On 4s the Jury is out... custom pids make this fly well too but the motors' inability to cope with the included 3" props are a bit disappointing. For now a bandaid solution is to run with Genfan 2540 props on 4s but I expect that Full Speed will release with a stronger motor for launch as they did with the original Leader 120. Again, my sample is a reviewer model and this feedback is used to make changes if needed to the final launch product. Full Speed RC has proven themselves to be a reputable company with well researched (and tested) quadcopters and I expect them to follow through on this model too.
The Leader 3 can be purchased directly from FullSpeedRC.com - their shipping is a little more expensive ($8) but is the fastest. Alternatively you can now purchase at Gearbest (standard version) or Banggood (standard or special edition) or Hobbycool (special edition)
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Skystars Bolt X120 Review Part 2: Flight tests and corrections

17/7/2018

2 Comments

 
This is part 2 of the review. In part 1 I discuss an overview and setup (including betaflight settings from factory) are covered in detail: Part 1 review
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Correction
Firstly a very important correction. In the first review I showed a picture of the quadcopter minus battery sitting on a set of scales at 65g. I took this for granted and after measuring on my own scales got 84g. I don't usually trust weight in text but seeing it was sitting on digital scales I did not measure myself. Disappointing as this is misleading so I updated Gearbest immediately. To their credit they promptly took the image down and corrected the weight in the description - see below.

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Original image from product description page (now removed)
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My ready to fly weight less battery
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New description.
Preparing for flight
Just some minor housekeeping prior to the first flight. XM receiver was fixed in place on top of the VTX as it was dangling free when I received it. Antenna was fixed in place with a cable tie off the rear arm and heatshrink to secure. VTX antenna got the same treatment off the rear upper-deck of the frame. Lastly I replaced the rubbish battery strap with one from RJX hobbies (review here). Although a buckled strap was included as well as the one picture above, it was much too long? Weird.
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Yeah first antenna didn't work out so well. One replacement later it's not on a zip tie attached to the rear left arm
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WTH man?!!
Flight performance on 2s
Just because the Bolt X120 *can* fly on 2s doesn't mean you *should* fly on 2s. I used my Turnigy Nanotech 2s 950mah (47g) pack and needed about 40% throttle to hover. I could fly but performance was lacklustre and I got bored. I did get about 4 minutes flight time but won't say any more.
Flight performance on 3s
After my initial disappointment on the weight, performance on 3s 450mah turnigy nanotech was better than I had expected. It felt controlled with enough speed to be enjoyable. I had to switch to default betaflight 3.3 PIDs though since the customised PIDs look more like a 4s tune and felt sloppy as a result. I did manage to get good flight times on these little batteries of approximately 2.5 - 3.0 coming down at 3.75 volts and had fun doing so. Given then power of the quad I'd probably pefer a 650mah 3s for another minute or so of flight and would have less concern about sagging on big throttle punches. For the places I usually enjoy micros the most (tight with small trees) I found 3s the most fun.

Quick update: compared back to back on same batteries with my Leader 120 which is lighter (68g vs 84g) with 'smaller' motors (1104 7500kV vs. 1106 4500kV). I found it was similar speed with comparable handling and I actually got as good if not slightly better flight time on the Skystars Bolt - the extra stator size was negated by the lower kV from an efficiency standpoint. The leader however cannot do 4s...
Picture4s 650mah CNHL is a lot of battery on this quad
4s Powah
When I went from 3s to 4s on the BabyHawk R 3" (review here) I got a reasonable increase in speed but not 33% as you'd probably expect. Given the same motor size (1106 4500kV) I was expecting something similar here but got a complete shock here - This thing ABSOLUTELY SCREAMS on 4s. I've always liked the Gemfan 2540 props (review here) but have never tried them on 4s and boy, they sure hold up and deliver on the extra power, it was like a different quad altogether. The speed was like nothing I'd felt on a micro and I had real trouble managing in a tight area. This probably wasn't helped by the fact I was using a CNHL Ministar 4s 650mah battery which weighs 87g so I was really blowing out on corners, even with a lot of extra throttle. It reminded my of running a heavy 4s 3 inch with 1408 motors - super fast but handled like a brick. I'd dare say 450mah 4s at around 62g would be a better option for weight control. at the cost of some flight time. As it stood I was getting 4 - 4.5 minutes on the 650mah battery. I've since moved to betaflight 3.4.0 and have got the tune tighter without oscillations but it is still a handful. For my piloting ability running this quad on 4s requires a bigger area akin to my 4 and 5 inch quads but that kind of deafeats the purpose of this micro. For my money and ability I actually prefer this on 3s - It is much quieter and handles better with the lower weight which is better suited to small parks. The noise alone on 4s makes people more wary of this one. 

Conclusion
Rather than trying to recommend how many cells you should run I've merely stated my opinions on what I want from a micro. The most important thing here is that this Skystars Bolt X120 is well and truly capable of comfortably running 3s or 4s depending on where you are flying or how you are feeling on a particular day. The new throttle limiting feature on betaflight is a great way of limiting power to fly on 4s if for example you want to stick with just this battery size with power more akin to 3s. I've written a full tutorial on this here including how to assign to an AUX switch.

Although I alluded to the similarities to the original Leader 120 (review here) it is clearly a different quadcopter with a different feel and different capabilities - it has a much better camera and VTX but is much heavier and designed to run on more cells which make it heavier again for a different flight feel. A better comparison is perhaps the BabyHawk R 3 inch which I find handles better but lacks the speed of this model, particularly on 4s. Images below on a scale for all of these for comparison.
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Skystars Bolt X120 final weight
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Leader 120 upgraded with CCD camera and 200mW VTX
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Emax BabyHawk R 3 inch
The Skystars bolt can be bought exclusively from Gearbest in several different formats - an unbuilt kit with no receiver (PNF), a built quad with no receiver, or as a built quad with FRSKY or Flysky receivers.

Check on my discounts page regularly for specials but at the time of writing the unbuilt kit is available for $117 and the FRSKY BNF as seen here is available for $134
2 Comments

EMAX BabyHawk R 136mm 3 INCH micro quad review

12/4/2018

2 Comments

 
PictureThe Emax BabyHawk R 136mm with all the gear I need to fly FPV
The Emax Baby Hawk R is a micro brushless quadcopter that was launched by Emax in early 2018 as a follow up to the highly successful Emax Babyhawk (not r). It was launched as a 2 inch but 2.5 inch aftermarket arms quickly became available in the aftermarket and hugely improved the power to weight ratio, disc loading and efficiency. Emax themselves have now taken this one step further with the Babyhawk R 136mm (3 inch). Compared to the 2 inch version is has the longer arms with the new Avanflow 3 inch 3-blade propellers and a reduction in motor KV from 6000kv down to 4500kv although motor size is still the same 1106. Weight of the 3 inch is 86g compared to 82g. I will review the Babykawk R 136mm (3 inch) here.

Specs and discussion
  • 136mm motor to motors. This is relatively compact for a 3" stretched x frame.
  • Emax Magnum F3 Magnum flight controller with MPU6000 gyro. Will run the latest versions of Betaflight (3.3)/Butterflight (3.4) with pretty much all options available up to about 4k/4k gryo pid loops. F4 would have been nice for better future proofing but F3 is fine for now. The flight controller is nicely softmounted on the frame. Not usually necessary for the MPU6000 gyro but a nice option nonetheless.
  • Emax Magnum 12A BLHeli_S esc. On paper looks weak but the reality is that EMAX have rated this for 4s on the 1106 motors so it is all that is required. There could be an argument for going with BLHeli_32 but probably falls in the same camp as the F3/F4 discussion.
  • Emax RS1106 4500kV motor. Nice torquey kv rating to spin the 3" props. Designed in the good efficiency/power range for 3 or 4s.
  • Foxeer Arrow Micro Camera. Solid branded CCD FPV camera
  • Emax Magnum 25mW / 200mW VTX. Basic VTX with two most common operating frequencies for a micro. No smart Audio is a minor disappointment but cannel change button is easy to access as display LED.
  • Avan 3 inch props. Will comment more on these since the specs alone don't leave us a lot to go with.

On paper none of these components are especially exciting or on the hype-train. A big HOWEVER though - all are very tried and true, solid and well balanced. This means reliability and reduced cost. The each have a job to do and do it without fuss or flair. It's fair to say though that when you bring them together they are greater than the sum of parts.

Quick rambling thoughts how 3 inch quad weights

I think of 3 inch quads in 2 ways - a shrunk down 5" based on large motors and 4s batteries or an embiggened micro based on 11XX series motors and 3s. This clearly fits in the camp of "embiggened micro" since it is based around 1106 motors however it is farily unique in that the ESC, motors as well tough frame and cowling are well and truly engineered for 4s - best of both worlds as it were. By constrast my lightweight FlexRC komori (build blog is here) can take 4s but the frame would not hold up to carrying the extra weight of a 4s. Conversely something like the Furibee X140 (review blog here) is pretty gutless on a 3s where it can't overcome the 120g+ weight of the quad.
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The Flex RC komori is a 72g 3 inch. It is limited to 2 or 4s because of the lightweight frame's ability to take a hit.
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The Furibee X140 is a 125g 3 inch and is by no means heavy for a 3 inch. It can run 3 or 4s but really needs 4s IMO
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The Babyhawk R weighs 86g and is designed for 3s or 4s
Setting up

I haven't delved into all the betaflight screens this time because for the most part this is down to preference and your gear. What I can say though is that although not installed from the factory, EMAX have provided some VERY good PIDS for both 3s and 4s. Here is the link to their page or for convinience please see below:
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3s PIDS. Click to enlarge
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4s PIDS. Click to enlarge
Fly the damned thing

At the time of writing I've only run this on 2s and 3s. 2s was using a 46g 950mah turnigy nanotech battery and was very uninspiring but hey, at least it can be done! 3s was much better than I thought it would be. I used the Turnigy Nanotech 3s 460mah battery (about 42g) and got 2.5 - 3 minutes flight depending on how hard i pushed, coming down at about 3.75v per cell at rest.

The first thing I have to say about the flight is that all of these solid if unspectacular components do come together so nicely - they are all well suited which not only make for an enjoyable and reliable fllight experience but means the cost does not blow out. In addition the protection offered by the 3mm carbon-armed and cowled frame means that even after tumbles there is a good chance you can just rearm and get flying again - it is tough! The other benefit of the cowl is that it looks cool, different from the top plate/bottom plate or side cage frames that are out there.
In the air I think the standard emax 3 inch props props are a real star. They have a pitch that starts of very slight at the tip and gets more and more aggressive with larger blade area the closer you get to the motor. It means that even on 3s with a realtively slow spinning 4500kV motor you can get really good performance. Combine this with the excellent PIDs as above and it has honestly been one of my favourite flying experiences, particularly staying tight and low around trees in parks where I do most of my flying. I do find the blades bend relatively easy but do bend back fairly easy as well. I'm pleased that they are a good prop because there is a realy dearth of 3" propellers with a t-style mount. A quick note that the motors come down barely warm.
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Here you can see the unique design of the prop the emax officially calls: AVAN MINI 3 INCH PROPELLER 3X2.4X3
Punch out power is ok on 3s but will hold my judgement till I get some 4s packs. understandably the light 3s packs make for great agility which is why I had a lot of fun with proximity around the small trees in the park that I have close to work.

For FPV camera performance is good - as to be expected from the foxeer arrow micro CCD. VTX is clear in the right conditions and is better than most other micros however I do undersand this can be improved significantly with an AXII ufl antenna (or the cheaper UXII). Channel and power level is easy to change via the small button but as suggested above there is no smart audio or tramp protocol to do this over betaflight OSD.
Summary

Obviously I haven't tried on 4s yet (I am just choosing a 500-700mah 4s to order), but based on the performance of 3s I think this quad is a real winner.

Emax have done a fantastic job on not getting carried away on needlessly overspeccing the quad in areas you cannot really taking advantage of. In doing so they have a solid, robust and well priced offering that I can see becoming very popular like the babyhawk before it albeit with less shortcomings. Better still the support that emax appear to be offering beyond regular customer service such as offering tuned PIDs means that community support will mean there are always going to be clever fixes and modifications that will be available, making obsolesence for this model is less likely. Make no mistake obsolesence is a real issue with quads because once the community moves away from a model there is less support in total available.

Although experienced builders and customisers will still likely want to build their own, It is very easy to recommend this as a first 'racing' micro quad becuase of it's inherent features and support. As a micro quad builder myself it's hard for me to say but this is actually more enjoyable to fly than most of my custom builds because it all comes together so nicely. For that reason it is easy to recommend this to the more experienced set that just want to fly and not fiddle with the micro electronics etc - for example if you have come from 5 inch racing or freestyle quads.

The Emax BabyHawk R is currently available from Gearbest with or without receiver. The model without receiver is $166. If I get access to any specials I'll post on my coupons ans discounts page.
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Flight videos

​...to follow
2 Comments

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