I've now had the Furibee X140 for about 3 months (at time of writing) and have probably put 50-60 lipo packs through it. I've written this final part of the review to draw some clearer conclustions.
Part 1 review (bench) is here
Part 2 review(inital flights) is here
Minor changes since purchasing
I've only made very minor changes since purchasing, more for durability rather than anything else:
I never did get the smaller 4s packs because I ended up being happy enough on 3s. The performance of the quad was never what you would call fast and when pulling out of freestyle manuevers and covering distance I'd find myself hitting full throttle fairly often. Battery life has been nothing short of outstanding though. Even on a 42g Turnigy Nanotech 3s 450mah I had such a tiny amount of voltage sag and I'd regularly get 4 minutes of flight pushing hard. Additionally the lack of power to weight compared to my 5 inch or leader 120 quads gave me a whole lot more control - on a large race track with the camera angle set to around 45°C I was the most smooth, stable and consistent I'd ever been and was able to fly more consistently low (gate height) than I ever have before. At a guess what I lacked in top end was more than made up in smooth cornering and accurate lines. That being set it felt like a chore flying freestyle on the 3s because of the amount of throttle needed to recover. I think a freestyle experience on a 450mah or 650mah 4s would be very good.
This is a tank! On my way to consistent high speed low flying I went through a few high speed barrel rolls and the X140 took it like a champ. Other than replacing bent props (with the Gemfan Flash 3052 hopefully arriving soon) Nothing else has broken. The camera is really well protected in the frame - no mishaps there nor for any other of the electronics. Not much to say here other than this is the quad that is always running when the others are being repaired.
50-60 packs in and nothing to report - it all just goes.. Although the VTX does take some thinking to change channels and power I tend to fly this one alone so don't change channel or power. 25mW work fine where I fly. I've just seen a replacement ESC / FC / VTX stack listed here but at the current price of $ I'd just replace with the HGLRC F428 TX20 set if it came down to it.
Improvements to make
Not much left to improve on but these are on my list
I can currently think of no better quad for a beginner. The price is currently around $110 but has been as low as $80 but perhaps more importantly they build quality has been good and the quad is highly durable and forgiving. Batteries are cheap compared to a 5 inch and it is gentle on them meaning they do not get stressed and will give you good flight times. Furthermore this is very upgradable for not a lot of money. There are some simple changes here I've suggested but this quad can grow with you. Changing props and batteries will get you more speed and if you change these in combination with higher kV motors you will give a 5" a run for the money. That being said this performs just fine as is and is probably the most complete quad I have come across for anything like that kind of money.
I talk about the leader 120 a lot in comparisons and yeah, it is faster and more agile but it is also a lot more fragile and the stock camera and VTx straight up sucks. The Camera here is a CCD and performs just as well as a mirco swift or arrow. The VTx is fiddly to set up but once programmed runs well. Being more of an inermediate pilot I'm surprised how much this quad has taught me about what I should expect from throttle control (altitude management) and cornering lines.
I think this would make a great starter quad for a step into proper quadcopter FPV. Conversely for a more experienced pilot this is a great backup for flying in small spaces, especially when all your other quads are busted!
Link to the different versions:
Furibee X140 no receiver
Furibee X140 flysky receiver
Furibee X140 frsky receiver
Furibee X140 futaba receiver
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