Cheerson CX-20
By cyberdyne systems 101 on Aug 03, 2015
This is a mildly updgraded/modified open source Cheerson CX-20 Quad. Please note I paid £197 back in May 15.
I've carried out a landing gear mod, the original has rubber feet and a curved edge, so tip overs are quite easy. In fact I only ever had the issue once, but I failed to stop the motors in time and burnt out an ESC! I've simply used some fibre tubes I got out of a £1 garden windmill and cut them down, cut a groove in the landing gear and zip tied them in, simple but effective!
Other things I added have been telemetry, a PM and XiaoMi Yi camera with a screw on mount. The props are now 9443's balanced with a double threaded balancing rod. I aim to add a gimbal and then use 9450 props to gain extra lift.
I use an OTG cable to run tower on my mobile, and have a DJI style mount on the tx to hold it.
Now fitted a GLB 3 axis gimbal with STorM32 board, and a set of genuine DJI 9450 props!
Just added F450 legs to raise the quad up.
Photos
Part List
ESCs |
ESC with Green Light for Cheerson CX - 20 RC Quadcopter Aeromodelling Spare Parts - $14.42 |GearBest.com
(2 builds)
Gearbest.com
|
$14.42 |
Motors |
Brushless Clockwise Motor for Cheerson CX - 20 RC Quadcopter Aeromodelling Spare Parts - $21.34 |GearBest.com
Gearbest.com
|
$21.34 |
Propellers |
4Pcs 9443 Nylon Self-Tightening CW CCW Propeller For DJI Phantom 1 2 Vision UK L
Ebay.com
|
$5.99 |
Propellers |
DJI Phantom 1/2/Vision/E300 Self Tightening Props Balancer Rod Polished Version!
Ebay.com
|
$5.00 |
Propellers |
2 x Sorry, this product no longer exists.You were looking for DJI 9450 Self-tightening Propeller (Part 9, for Phantom 3, 1CW+1CCW)
Expansys.com
|
See Site |
HD Camera |
Original XiaoMi Yi Ambarella A7LS BSI CMOS WIFI Sports Action Camera
Banggood.com
|
$75.99 |
Nice action shot!
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How's the rig doing? Still flying without a gimbal?
Yes doing ok, was in Devon UK for a short break, only got to fly one time though, weather wasn't kind!
Still had some sun and had a good time.
I think I'm going to wait and get the gimbal and upgraded props for Xmas, i badly need one but i could do with more practice at flying too 😂
Here's Devon:
Footage looks pretty sharp, but yet a gimbal would be nice! You've probably got the right idea about practicing more because gimbals are easily damaged in a crash. Trust me, I know this firsthand.
I did have the new update on the camera while i was away, so shot in 2k, don't think it uploaded at that rez though, but maybe it's all more detailed?
Yeah good call, and that's while I'll probably go for a g-2d gimbal to keep costs down, i think they still look good despite some yaw wag you get with a 2 axis
I don't think youtube supports the Yi version of 2k as it's slightly under true 2k. I'd spend an extra $20 and get the Goodluckbuy 3-axis gimbal. You'll get a far better result.
I know you like that gimbal, has anyone attached it to a CX20 that you know of?
Yes, there are a couple folks who have done it already. I think I just saw somebody on the RCGroups thread who did it.
Is it goodlucksell on ebay? I've found one cx20 with it fitted on RCGroups thread. Is there a way to set it to avoid seeing the legs during yaw?
You can control the yaw ranges to minimize the window in which it can move, but a slow steady yaw will also do the trick. Oh, and it's much cheaper to buy it directly from the Goodluckbuy website.
Ahh thanks, I'll check it out, might need to order before to long to have a hope of getting in December lol
Or you can check my build for the link. I got mine in about 2 weeks from China.
Wow that's quick! Just reading the RCGroups thread on it...
Don't let the early negative opinions sway you. The latest iteration of the gimbal is the best and it's very good for the price.
Just got to the part about longer arms being the default!
Sounds like you're about half way there.
I'm enjoying the reading, it's just turned rather negative as you suggested, I'll plow on and see what happens!
Yep, don't let that deter you.
Well I've read the whole thread, watched videos, nearly finished the wiki, even given advice about setup lol. Yeah I'm pretty sold on this gimbal! Going on the Xmas list.
I flew the quad with stock props and no camera yesterday, wow did it fly good, so smooth, was able to move it so slowly through the air, and loiter was a dream, no wind and no weight was awesome!
Great! Just be careful with it. Any crash will require some sort of repair work, so be sure to hone your flying skills in the mean time!