All Blog Posts (10,526)

Arducopter Alt hold

This is a simulation I'm working on to improve the Altitude hold and change control laws. I have identical code from Arducopter running in Flash as OO Javascript so I can ensure the behavior is the same as the real thing. I sampled data from the barometer to introduce identical noise into each copter's solution. This…


Added by Jason Short on August 30, 2011 at 10:30am — 28 Comments

Cool FPV setup.


This is a cool video and writeup I found on

Here's the Adafruit writeup:

"A micro camera is installed onboard an r/c plane F-16. The camera transmit live the…


Added by Troy Reabe on August 30, 2011 at 10:00am — 8 Comments

AeroVironment have a quad, the Shrike

“With more than four years of customer funding behind it, our new Shrike VTOL unmanned aircraft system is designed to address the need for a small, light-weight hovering aircraft that delivers unique surveillance and intelligence capability not provided by current solutions. Not only does Shrike VTOL hover for more than 40 minutes with a high resolution video…


Added by Gary Mortimer on August 30, 2011 at 7:30am — 4 Comments

3D Robotics
New right-click options in the Mission Planner

Another day, another cool feature to call out in the Mission Planner! (These posts are almost turning into a rolling tutorial series). In today's version (1.0.61), when you right click in the Flight Planner, you can directly enter commands such as…


Added by Chris Anderson on August 30, 2011 at 7:15am — 9 Comments

3D Robotics
Impressive FPV ground station

This guy has a serious FPV ground station. Details here.



Added by Chris Anderson on August 29, 2011 at 11:14pm — No Comments

The Buraq-1 UAV

Buraq -1

This was developed in year 2000

1. Wing span is 12ft

2. Engine range is 100-250cc ( 100 is bit under…


Added by Ahmed Rehan on August 29, 2011 at 1:00pm — 10 Comments

New offer of help with tuning PID loops

I suspect my first method for tuning PID loops was not a great hit because it required 3-view drawings or photos of the aircraft plus inertia data all of which is a bit fiddly. I've now got a new method based on flying the aircraft and logging accelerometer and gyro outputs in response to elevator, rudder and aileron doublets. This method works well with simulated data and I'd like to try it on real data. If you are interested in this experiment, let me know your email address and I'll send…


Added by George Tarrant on August 29, 2011 at 11:02am — 14 Comments

3D Robotics
Nice new feature in Mission Planner: waypoint hit radius circles

As you've probably noticed, there are new features added to the Mission Planner almost every day (Michael Oborne is amazing). I thought I'd just highlight today's, which is neat. In the Flight Planner screen, your current Waypoint radius (the "hit zone" that qualifies as having arrived at the waypoint, which you can set) is…


Added by Chris Anderson on August 29, 2011 at 7:52am — 32 Comments

Lesson: always fly with telemetry or a spotter!

After some painstaking PID tuning and some near crashes, I decided to take out my octocopter and see what kind of thrust it was able to generate. After hovering for a moment, I gunned the throttle and the machine disappeared into the sky. It was beautiful. The only problem was that I had forgotten my Xbee receiver and thus had no telemetry data. My glee quickly turned into panic as I tried to judge which way the octo was facing and how to get it back. As it drifted further and further with…


Added by Adam Rivera on August 29, 2011 at 7:00am — 13 Comments

My first bungee launch (crunch!)

I've just equipped a falcon epo flying wing from hk with an ardupilot mega and a gopro.

I try to launch it with a diy bungee launcher without much success, this launch has not damaged the wing but after the second launch i've to glue it (after a…


Added by Dimitri on August 29, 2011 at 6:30am — 9 Comments

The Biggest UAV i did

Photo of biggest UAV i did.

Added by Ahmed Rehan on August 28, 2011 at 11:20am — 35 Comments

APM automatic flap deployment ready for testing.


I have uploaded a new revision of APM to the trunk repository (r3665) with automatic flap functionality. I am really pressed for time so am hoping some community members can do some flight testing on it and report back.


Flap functionality can be assigned to channel 5 or 6, using the…


Added by Doug Weibel on August 27, 2011 at 5:08pm — 14 Comments

New Vtail 8 build started

Nice new build, based on 1/2 ally tube, RCT 750 kv motors, 30 amp 4S ESC's, 10 by 4.5 props.

Overall width 680mm , length 840mm


About 5 hours work in it so far, the centre section and motor mounts are pre made for me out of 2.5mm fibreglass

The aluminium is all hand cut and drilled (lots of…


Added by Mathew Wellington on August 27, 2011 at 11:52am — 15 Comments

3D Robotics
Delivering drugs by ArduCopter

CNET reports on a cool proof of concept--delivering life-saving drugs by UAV in parts of Africa where road are poot. I've advised that team that fixed wing UAVs might be a better choice for those…


Added by Chris Anderson on August 27, 2011 at 10:29am — 8 Comments

Travelling with CamRaptorY690

I tried to fly softly with my little Y6 and finally put the Go Pro in front the two arms to avoid seeing propeller in the movie.

Here is the result without Roll compensation for the Go Pro

Question : in the last firmware 2.0.39 did the camera stabilization is better ?? than 2.0.35

Added by patrice.rance on August 27, 2011 at 3:27am — 2 Comments

like to introduce the new Quad copter GPS P4 for UAV.

like to introduce the new Quad copter GPS P4 for UAV.
any one that knows me knows I am not a fan of cheep things but this model I take it without the electronics. had bad experience with Q's the electronics. But I will sell it to you with a grain of salt. the new GPS…

Added by OG on August 25, 2011 at 6:57pm — 8 Comments

3D Robotics
Anybody recognize this drone?



Added by Chris Anderson on August 25, 2011 at 5:30pm — 67 Comments

Traditional Helicopter Stabilise & Loiter Test



The aim this evening was to prove the new flybarless head with the ACM, and whether it would make a good deal of difference to the flight characteristics. We flew a full 5 min flight which is pretty good as the Heli is quite heavy now with all the extras fitted to it. Also i use a separate flight and main Power battery. a 2700mah 2cell and a 5000mah…


Added by malcolm churn on August 25, 2011 at 1:46pm — 5 Comments

3D Robotics
Meet the Developers: Paul Mather (aka Happy Killmore)

Today's Developer is the genius behind the HK GCS, which you all know and love. We'd had ground stations before, but Paul Mather was the first to really do them right. I still remember the day he rolled out recording and replaying missions, which was mind-blowingly cool. And when he added voice synthesis, I felt a real surge…


Added by Chris Anderson on August 25, 2011 at 12:18pm — 17 Comments

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