All Blog Posts (10,744)

X-Plane Skyfun model - Work-in-progress...

Thought I'd share my progress so far on an X-plane model of the Skyfun.  I'm still struggling with PlaneMaker at the moment, so I've not flown it and have generated the data purely from scaling photographs knicked from t'interweb.

If you can help out with dimensions (metric please!) of things like the tail fins, chord lengths etc, that'd be great.

When it flies to some level of satisfaction, I'll release a version into the wild.…


Added by Andrew Rabbitt on October 18, 2011 at 5:43am — 10 Comments

New Rover, some ramblings

Yesterday when I found this group I was quite surprised with the whole project. One thing in particular I noticed was there are people that think like me. These people have come up with a device than can do the things I have wanted to do for at least twenty years.

I am not an engineer, I am an idea guy, I…


Added by Ryan Trullinger on October 17, 2011 at 5:30pm — 3 Comments

High stability rotorcraft


here are a 1.8 year old video that i edited to show how are the video footage of high stability rotorcraft.

This is one of me first test with full-HD video cam.

As you can see, this platform is much more stable as ardupilot.

No wooble or vibrations.

Some balance in the video are due gimbal servos. I am using nicoleto gimbal.

This setup are using default PID.

OBS: from 2:00 to 3:00 the video are post processed to remove some…


Added by eduardo on October 17, 2011 at 5:03am — 20 Comments

Slightly off topic, but I bet a few people will see the point.


This idea has been around for a while I have seen it done before but this is a more elegant solution than the previous one.


Just imagine not thinking about a pan and tilt set up.


The Gorgon stare on a budget.







Added by Gary Mortimer on October 16, 2011 at 11:34pm — 10 Comments

How to contribute on ArduCopter project.


How to contribute on ArduCopter project.

There are a lot of great talents out there but how to get them involved on different projects is always a question. Chris already had few weeks ago a great overall post on "…


Added by Jani Hirvinen on October 16, 2011 at 8:30pm — 6 Comments

3D Robotics
Demo of ArduCopter Loiter, RTL and Alt Hold at Maker Faire

We had a great time at the East Bay Maker Faire today, with Jason demoing autonomous ArduCopter functionality to constant crowds. Once the throng thinned out, he started doing stunts like this one, where he drags the ArduCopter away from home and lets it find its way back, terrain following the whole way, and then throws it away like a Frisbee and watches it…


Added by Chris Anderson on October 16, 2011 at 4:30pm — 23 Comments

Magnetometer alignment


The above picture shows an interesting side effect of magnetometer misalignment: complete reversal of the measured horizontal component of the earth's magnetic field.

The effect was discovered by Peter Hollands during his analysis of the data from one of Ric Kuebler's flights. Ric was using the…


Added by William Premerlani on October 16, 2011 at 2:56pm — 30 Comments

Ardustation Uno

The Ardustation is an excellent piece of equipment. It allows you to see important information about your UAV at a glance, along with the ability to change parameters or issue straight forward commands on the…

Added by Colin on October 16, 2011 at 10:55am — 16 Comments

Latest Vtail 8 build - full house

Shes all done, dont those microdan 2510's look purty

full house this puppy, ardupilot, magnetometer, gps, sonar and 900mhz telemetry, plus red and white LEDs

just worked it out, she has about 2.8kw of power on tap !

Running 2.047 with a custom mix (5 channel for 8…


Added by Mathew Wellington on October 16, 2011 at 1:00am — 8 Comments

ArduCularis ready for take-off

After hours of painstaking work, weeks of researching and flying in airplane parts, and more money spent than I care to think about, I finally powered up my ArduCularis for a ground test today. The LEDs lit up, the ESC sang and the servos sprang to attention. A control surfaces test came out perfectly,…

Added by Robert M on October 15, 2011 at 11:30pm — 5 Comments

Updated for ACM 2.5.3 and APM 2.3.0 - Unified Ardustation 2 With Parameter Editing, Antenna Tracking and Auto Detection of Arducopter or ArduPlane

This is an update from the original blog post in October 2011:

I've updated the Ardustation 2  source code to allow compilation with Arduino 1.0 Relax and the latest libraries for ACM 2.5.3 and APM 2.3.0. This update also includes a modification of parameter names for PID editing that match ACM and…


Added by Heino R. Pull on October 15, 2011 at 8:00pm — 88 Comments

rotary engines for UAV

hi friends, on 14 October 2011 there was an exhibition organized by some 20 UAV manufactruing companies in New Delhi, India. It was wonderful to have something like this in India. The technology dispalyed was amazing. there were fixed wings and rotary winged UAV's. The show was won by this twin cylinder rotary engine designed for UAV's. The manufacturer claims to having nil vibrations in the engine. a very important issue for IMU's in the autopilot.  beautiful engine with circular cross…


Added by Ravi on October 15, 2011 at 7:24pm — 5 Comments

Learning to work with EPS Foam


As I work towards building the GeekStar (My Geek Show's version of the Easy Star) I decided I needed a better building technique. This week I built a demo/sample of the EasyStar's nose section to see if 3/4 inch EPS foam would be a suitible build material and to see if a "layered" building approach would work, and in both cases: Yes!


The thicker foam is very hard to cut out with a knife, I'll have to build a hot wire cutter, but when it's…


Added by Trent at MyGeekShow on October 15, 2011 at 1:45pm — 7 Comments

3D Robotics
Meet the ArduCopter team at the East Bay Maker Faire tomorrow

If you're in the San Francisco Bay Area, you can meet the ArduCopter team and see demos tomorrow at the East Bay Maker Faire in Oakland. Jason Short and I will be giving a presentation at 12:00 on the main stage. Quads will fly! Come by and say hi…


Added by Chris Anderson on October 15, 2011 at 9:24am — 6 Comments

Object Tracking - Proof of Concept

A few days ago I posted some videos of my object tracking algorithm, and some folks were curious how well it would perform if the object left the frame. Since posting I have hit kind of a breakthrough in the algorithm and it is working much better than I had ever expected. I am still fine tuning some of the sensitivities, but I added some neat…


Added by Adam Rivera on October 15, 2011 at 6:18am — 9 Comments

Arducopter PID tunning howto video

Finally, someone has created a PID tunning howto video, from scratch to perfect stabilize flight, that I think will be very useful for the arducopter community, specially for those flying non stock frames.

The concepts are already in the AC2 PID tweaking guide developed by Jason, but a visual howto helps a lot!


The guide has been created by…


Added by Jose Angel on October 15, 2011 at 3:00am — 10 Comments

3D Robotics
CNN piece on DIY Drones

CNN did an episode on DIY Drones today. Good shots from the back of 3D Robotics, including clips of Jeff Taylor and Gigio Romero (Udrones) flying ArduPlane and…


Added by Chris Anderson on October 14, 2011 at 9:00pm — 50 Comments

Magnetometer offsets revisted

The above is a plot of the 3 components of estimated magnetometer offsets computed during spin tests at 78 RPM of an improved method for estimating and removing magnetometer offsets. There is a report available with…


Added by William Premerlani on October 14, 2011 at 4:30pm — 19 Comments

Quadrotor: trying a few design ideas

My daughters and I have built several quadrotors out of aluminum and also a mini quad out of kite parts (see for these). But for this next project, we decided to make a quadrotor out of carbon fiber. We applied everything we learned on our previous builds and also tried a few new ideas that we hadn't tried before. …


Added by Robert Beatty on October 14, 2011 at 8:30am — 9 Comments

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