4 inch BEE

By braberFPV on Mar 16, 2017

5 404 2

This is my first 4 inch build. It was designed to run with 3s LIPO's because I have many laying around from when I started flying.
3D printed parts are available on http://www.thingiverse.com/tbraber
The motors I used where the Racerstar rebranded version of the DYS SE1806.
The TX is a 250mw 5v mini transmitter from Hobbyking but that one is not available any more.

The motors are soft-mounted with 1,5mm silicone rubber sheet. I put it on both sides of the arms.
I replaces the stock (2.8mm) camera lens with a 2.5mm Foxeer lens. This gives a very satisfying result for a 10 dollar camera.

Photos

Part List

Frame	*(Not $36.99)*BeeRotor U180 FPV Racing QuadCopter With PDB Rctimer.com	$27.99
Flight Controller	BeeRotor F3 (AIO) Flight Controller with OSD (17 builds) Rctimer.com	$17.99
ESCs	4 x DYS XM20A ESC (32 builds) Store.fpv-flightclub.com	$48.00
Motors	4 x DYS SE1806 2700kv PRO racing edition Fpv-parts.nl	See Site
Propellers	8 Pairs Kingkong 4x4x4 4040 4-Blade Propeller CW CCW for FPV Racer Banggood.com	$6.69
FPV Camera	Eachine 1000TVL 1/3 CCD 110 Degree 2.8mm Lens Wide Voltage 5-20V Mini FPV Camera NTSC PAL Switchable (37 builds) Banggood.com	$10.99
Antenna	Blue Wizard FPV 5.8G RHCP 3 Leaves 4 Leaves Clover Antenna TX RX Pair For Transmitter Receiver SMA (2 builds) Banggood.com	$11.49
Receiver	Flysky X6B 2.4G 6CH i-BUS PPM PWM Receiver for AFHDS i10 i6s i6 i6x i4x Transmitter (180 builds) Banggood.com	$11.06
Batteries	Turnigy Graphene 1300mAh 4S 65C Lipo Pack w/XT60 (112 builds) Hobbyking.com	$20.99

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Discussion

Whiffles Mar 16, 2017

Very cool! I've been considering a 4" rig myself. How do those 1806s handle and do you plan to mount an HD cam?

braberFPV Mar 17, 2017

I have tried it, but I really notice the extra weight.
I am planning to buy a Mobius Mini and make a 30deg titl mount for it. That should fit.
The 1806 are at it's max now with these props. When using two blade props I can run 4S but with these 4 blades, the motors get very/too warm using 4S.

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