StretchBee V1.0

By CesiumSalami on Jun 06, 2017

6 356 2

At the time that I started this build there weren't really any stretched 3" options available that I could find for 1104 motors and these HQ3030 props which are slightly oversized at 3.15". So I made one! I started with it 3d printed in Taulman910 while I waited on the Armattan carbon cuts. Honestly! The 3D printed version held up to a TON of abuse. I was shocked - and it was only 2g heavier than the carbon derivative. The POD was made by T4B links on the frame page. Designs are open if you want to cut it yourself or 3d print it OR buy it from Armattan. This version has a 3mm base plate and will fit 1407 motors - but there's a 4mm version for you rippers, too :) Really like this FC/PDB/OSD w/ Current sensor combo. Weird to solder it up with a 4in1 ... but it seems to work (just need to calibrate it). Video is some super easy flying on a local university campus (lot of soft targets and wanted to be quiet) didn't break ~2/3's power. On DYS3045's it's crazy quiet.

Photos

Part List

Frame	StretchBee by CesiumSalami (2 builds) Thingiverse.com	See Site
Flight Controller	OMNIBUS F3 Nano v2 (17 builds) Pirofliprc.com	$29.99
ESCs	Eachine Minicube 10A BLHeli_S 16.5 4 In 1 2-3S ESC BB2 Support Dshot600 For Aurora 68 90 100 Lizard95 (23 builds) Banggood.com	$30.07
Motors	4 x DYS BE1104 1104 Brushless Motor 5400KV 6500KV 7000KV 2-3S for 100 120 150 RC Drone FPV Racing Multi Rotor (48 builds) Banggood.com	See Site
Propellers	HQ Prop Direct Mount 3030 T3x3B Green (Normal)	$0.39
FPV Camera	RunCam Micro Swift 600TVL 2.1mm IR Blocked 1/3 CCD FPV Camera PAL/NTSC 5.6g (192 builds) Banggood.com	$29.99
FPV Transmitter	Eachine VTX03 Super Mini 5.8G 72CH 0/25mW/50mw/200mW Switchable FPV Transmitter (417 builds) Banggood.com	$12.22
Receiver	Lemon Rx DSM2 Compatible Satellite Receiver (3 builds) Lemon-rx.com	$7.80
Batteries	Gaoneng GNB 7.4V 550mAh 2S 80/160C Lipo Battery JST Plug For Aurora 90 100 (14 builds) Banggood.com	$9.99

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Discussion

ferrmium Jun 08, 2017

Do you need BEC to power the FC?

CesiumSalami Jun 08, 2017

Nope. I'm using V1 of the flight controller which had some really conflicting information about the VREG. At first when it came out it was rated for 4s... then they revised that to say that only 2-3s worked with the BEC and 4s required a separate one. They then FURTHER revised that to say that the BEC was only good for 2s .... which is frustrating. But I'm only running this on 2s anyways, so it wasn't really an issue for me. Finally, the newer version of the FC (linked above) is once again supposed to support 4s out of the box. Time will tell I suppose....

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