Montag, 26. Oktober 2015

Black Snapper XS - folding Miniquad

Aus Black Snapper XS
Frame: Black Snapper XS from Globeflight
Dimensions (folded in):  22 x 13,7 x 2,6 cm (LxWxH)
Dimensions (folded out): 27,3 x 30,0 x 2,6 cm (LxWxH)
Frame weight (empty): 125g
Weight including electronics and without battery: approx. 320g
Motor axis diagonal: 360 mm (left to right front motor: 250mm)

MotorsEyefly 1806 (2300kv) running on 3cell 1500mah turnigy 35-70c packs.
ESCsEmax - 12A - Nano ESC Oneshot125 and Active braking (Artikelnr. 24-005)
  (no BEC!)
Seperate BEC for powering the Naze32 board:
BEC UBEC 3A E-Max - EMX-SC-0509
Props: 5x4 Gemfans

System weight: 381gr (all except FPV gear, Battery and HDCam)
around 600gr (including 150gr battery and 50gr RuncamHD)
Flighttimes: around 5mins with 1500mah 3cell and average fast flying

Flightcontroller:  Naze32 with cleanflight 1.10 and Luxfloat PIDcontroller
https://quadcoptersenzo.nl/en/Flightcontrollers/naze32_acro_funfly
Naze32 Settings:  Cleanflight V 1.10  /  Pid Controller: 2 - Luxfloat
General settings:   oneshot125 and "active damping" (this is something that has to be enabled in the ESCs firmware)
P I D
Roll       1,6 0,04      30
Pitch      1,8 0,04      30
YAW    2,5 0,1       15
Roll and pitchrate 0,40 /   Yawrate 0,50
TPA 0,30   TPA Bpoint 1500
Receiver:  all default but RCRate 1,10

But as always if you find PID settings on the internet: they dont apply to every quad. You have to have a really similar setup than I do. Every quad is usually different. Many variables influence the outcome. But this can be a good startingpoint for you if you have simlar motors and ESCs...
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I used a nice PDB (power distribution board) which has 2 switches for LED or VTX
So I can choose if I want my LEDs to be powered on with this easy switch.
I guess you can also hook up LEDs to be controlled by the NAZE32 board as well - but this is more advanced - the PDB is really easy.

FPV Cam: ATTENTION
You need a really small FPV cam for it to fit between the front booms!
I use the Fatshark 600TVL which as a really small housing. I even had to file it down on the side a bit for a good fit.You can tilt it a bit by using more double sided tape on the top of the cam holding frame than on the bottom. Works ok for me.

HD Cam:
initially made to mount the Mobius/runcamHD type of flat cams - but gopro or SJ5000+ in my case works also. Vibration dampening works really well - even wih unbalanced motors / Props I have no jello issues!

Black Snapper XS

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