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I desperately need some help

Arming problem after recalibration with MissionPlanner

After using MissionPlanner to recalibrate my quadrocopter I have struck a problem. The indicator light on the board locks to armed status as usual but the motors will NOT start. I can also disarm

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3DR IRIS RGB Lightpipe

I don't know about most IRIS owners but the external status LED that is located on the bottom of the battery compartment is a bit hard to see before launch. I decided to implement an idea to view the status LED from the top of the shell.

I drilled a h

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KeilKraft Junior 60 drone ?

Following a fantastic year of flying my Bixler with APM 2.5 etc. and to celebrate my 50 years of model flying, I thought of making my KeilKraft Junior 60 into a drone. It is already electric powered with plenty of power and very stable. It will be ru

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Setting the PID controllers on a hex

Is there a known good way to set the PID controllers on a hexcopter? I moved from an underpowered quad to an overpowered hex and it's (at least by comparison) very "squirrely". Very sensitive to manual inputs, and when I tried to fly it with the defa

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T3

External Compass and PX4

Thought I'd share what I found while working with an external compass and PX4.

When configuring the compass in the Mission Planner we have 4 options, 1 is "On Board APM", 1 is "External Compass", 1 is "On Board PX4" and 1 is "Manual".  Since I had a e

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airspeed sensor vs rain/mist/cloud

I was wondering: as the pitot tube is an air inlet, what would happen if, during flight, the plane caught some rain, or flew through a low clowd? The plane can be made water resistant, but what if the water enters the pitot tube and goes to the airsp

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T3

Bottom Y6 Props Upside Down

I've been having a lot of problems flying my Y6.  Yaw would change while flying forward or backwards.  The motors on the bottom would getting really hot.  Someone at the airfield that I fly at notice that I had my props on upside down.  He mention th

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Strange gps behaviour

Just got a Skywalker flying with apm2.5 bad with 2.7 firmware....ublox ne-06 with 3dr config...everything works great..except GPS will intermittently go from 6-11 SATs to zero for a couple seconds and back...in steady level flight...mounted on front

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noob question

Hi everyone, I've just finished building a tricopter, put an apm 2.6 with external mag/gps on a self made mast very far from any interference, but close to the CG my apm is directly on the CG. done all the mandatory hardware config, my compass offset

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