This is third attempt to build quad inspired by FPV cycle Baby tooth 1S. This time weight went (again) a bit higher. Manly due to heavier motors.
Unfortunately, I was not able to source the FPV cycle parts. I had to find something to replace them.
I'm using DarwinnFPV AIO Flight controller. It's adwertised as 15A 1S FC.
Engines are soldered directly to the FC. This was mainly due to FlyWoo motors didn't have plugs. Also DarwinFPV AIO is shipped without connectios soldered in.
To be able to access the USB connector without removing the FC from the frame I have flipped FC upside down. After this, you will have to remap motor order and adjust FC orientation in Betaflight. Unfortunatelly you still have to remove the canopy to connect the USB cable.
I'm using RCINPOWER GTS V2 1202.5 11500KV. They look like a single bell design. It looks like they are even more similar (than FlyWoo RB1202.5 11500KV) to FPV Cycle 1202.5 motors. I'm using a 1,5mm version. mainly because there are more propellers on the market.
Motor wires are routed on the "back" of the arms, looking from the propeller spinning direction. This way they are protected from cutting in flight. In turtle mode you still can demage motor wires.
To have this build as compact as possible I have Happy Model EP2 ELRS receiver.
I'm using XT30 for better conductivity. You need to change the plug on the battery form PH2.0 to XT30. I didn't found any 1S 450mAh or 650mAh battery with XT30.
For the canopy I'm using FEICHAO Camera Canopy for Mobula 6 HD canopy. I have designed adapter for Caddx Ant Lite camera. I find this canopy to be the most durable for me.
For the camera I'm using the caddx Ant Lite. You can use two versions of the adapter:
https://www.thingiverse.com/thing:4981483 - This one is designed to be printed out of TPU and streached to put on the camera.
https://www.thingiverse.com/thing:4806996 - This one should be printed out ot some regit material. Unfortunately it can be fragile during the crash.
I'm using the TBS Unify 32PRO nano VTX. The cammera is powered from the VTX passthough pins. Video signal and Smart Audio are connected directly to the FC. The TBS Unify needs so mush current that I'm not able to fly on max power. I got some strange artefacts in the video feed. This is not much of a problem. I'm mostly using the 100mW setting.
Whole drone weight is 53g without the battery.
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Show stores (6)Guides & Reviews
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Have you ever tried the JHEMCU 1s board?
Hi, no I haven't try it. Do you have any experience with it?
not great, but that's why its $27 I suppose. I have one that might still fly, but weak ESC, I have an extra board that tests that all is well I think, but it might also have a weak ESC. I used it in a babytooth, its odd how only one ESC was weak and it still hasn't fried completely. I wonder if maybe my ESC firmware, JESC, is what is causing this now that I think of it.
I was specially looking for FC with integrated ESC rated for current higher than 5A. This is the only one I have found for 1S. I don't like to go to pick up the drone so I'm quite often using the Turtle mode. Having higher available current I'm less likely to fry the ESC. During the flip. The other one rated for higher current is the CycleFPV FC. Unfortunately this is not available on their site and shipping to the Europe would bring the cost of the FC to unacceptable range.