revised 1s 4in build

By matthew saigon on Nov 13, 2020

18 785 8

Finally, I got a new 1s board from Bob Roogi to make this build possible.
Other than that, the setup is still the same with minor changes.
i use 1s 850mah-1100mah with 16awg wires.

There is not much available to try for this setup. So if something comes up in the future, i'll rebuild it again.

List:
Weight: 56gram dry
Frame: i chopped up some frame to get it. but i'm sure you can find a light 4in frame. mine is 7g, but 9g-11g should be more durable.
Controller board: it's not out yet, but soon.
Camera: Caddx Ant Lite
VTX: pandaRC 14x14 VTX
Propellers: LDARC 450x airplane propellers
Motors: Brotherhobby 1402 9500kv
Batteries: 1s 850mah-1100mah with at least 16awg wires

PID:
i don't know how to tune, so my PID is ok, not good.
I use RPM filters.
I use whoops preset from here. https://theuavtech.com/presets/
then use PID in the picture.

Photos

Part List

Frame	PickleBig : 4, 5, 6 and 7 inch toothpick quadcopter frame by ledroneclub (11 builds) Thingiverse.com	See Site
Flight Controller	FPVCycle 1S-2S AIO (18 builds) Fpvcycle.com	$55.99
Motors	4 x Returner R3 1402 Motor Brotherhobbystore.com	$59.96
Propellers	10 Pairs KINGKONG/LDARC 3.8*3E Propeller Spare Part For Tiny Wing 450X 431mm FPV RC Airplane (3 builds) Banggood.com	$6.63
Propellers	LDARC PZ 15320 Servo / 3.8*3E Propellers for Kingkong Tiny Wing 450X FPV Drone Unbreakable EPP Flying Wing Racer Quadcopter (4 builds) Aliexpress.com	$3.79
FPV Camera	Caddx Ant Lite 4:3 FPV Camera - FPVCycle Edition (73 builds) Fpvcycle.com	$13.99
FPV Transmitter	PandaRC Nano 16x16 5.8GHz 25-400mW VTX - U.FL (12 builds) Fpvcycle.com	$20.98
3D Printed	BeeBrain V2 Camera Mount and Canopy (38 builds) Fpvcycle.com	$2.99

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Discussion

fw42 Dec 03, 2020

Looks super cool. How do you like it compared to your 2S 4"? Which one do you prefer? Looks like they are about the same AUW.

matthew saigon Dec 03, 2020

2s has more power. but don't build this. this is just for fun. when there is something better for this setup i would come back and rebuild this.

Knockout3DFPV Nov 16, 2020

how well do the props stay on with the nylon screws? I love the idea of using them instead of regular screws :)

matthew saigon Nov 16, 2020

i don't take much risk, so it's ok for me.
they're not very durable. try titanium screws instead. they're light and durable enough.

SquishinStix Nov 15, 2020

love it - what's the all up weight and flight time?

matthew saigon Nov 15, 2020

56g dry + 33g batt = 89g auw.
flight time is about 4-5min and you can see it in the video.

SquishinStix Nov 15, 2020

89g on 4" props?! is it SUPER quiet?

matthew saigon Nov 15, 2020

yup super quiet. but all 1s setups are super quiet.

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