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450 heli project with PX4

It took me 3 months to finally make it, so I would like to share all my experience and hope that would be helpful. My words are not very efficient but I'll try to write down all the important things and issues/solutions I have.

A little background. Th

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ArduStation without Xbee

Hi

Yesterday i was out at the field checking new modem setup to send mavlink from my arduplane to my ground station after seeing it all worked great i want to add an antenna tracking capability and i have an Arduino 2560 board laying around, so i want

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Li-Po Battery dropped and damaged

Hi,

I have accidentally dropped Li-Po battery of my Quad on asphalt. It fell from about half a meter height. Now I opened up a protective plastic sheet and there is a sign of a damage on one of the corners, see pics.

I am not sure if it is still safe t

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Power Distribution Board Failure

I have the 3DR hexacopter PDB. Recently my hex went down when one of my motors stopped in flight. I thought it was a failure of the ESC. Turns out, the PDB must have shorted out because I am not getting any voltage to that ESC. Power to the other ESC

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Hyperspectral imaging

Hi,

 Can anyone recommend a decent hyperspectral sensor that wouldn't weight more than 2-3kg including the data capture/storage unit.

Pre sales Customer service from a couple of manufacturers is rather appalling, they must be making a fortune.

 Currentl

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Dji F550 but larger

I am about to start building a hex copter of my design it will be about 36"wLooking for advice about if the parts I am about to buy would workAll alum. ArmsMotors I am thinking will be the E-Flite 25 outrunner 870KV with 60 amp ESC15"bladesNASA with

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RTL AND CRASH AC3.1.2

Hello,

Today I was flying my quadcopter with arducopter 3.1.2 and APM 2.6 with Ublox GPS, vibration levels where excellent between 0.4 and -0.4 on X and Y and 0.4 -0.4 around 9.8 on Z axis, alt hold and loitter where working perfectly, so I decided to

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Having issues with the X8

I have been flying the x8 for about a month now. I am almost to the point of selling it on ebay and then take the money and get a different copter altogether.

But I really want this thing to work and behave like it should. So I have come here once aga

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915mhz Telemetry

Hey folks,

Did the original 900mhz telemtetry kits that have the built in usb adapter on the ground radio get the interference or was it just the 433mhz ones that had limited range because of usb interference?

Also, do you think i can get away with 1.2

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Frequency of servo update loop

Hi,

I have just a simple question that's been on my mind. Or rather..I just need confirmation of my thinking.

Normal airplane servos have speeds from 0.08 seconds to 0.15 seconds per 60° of travel. So the fastest meaningful servo update rate with 0.15s

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