July 2010 Blog Posts (113)


Everything was normal with the landing. For a long time, we noticed a lot of airplanes coming real close. Then right near the runway he firewalled the throttle & pulled up harder than any commercial pilot ever did. Thought he came in too low, aborted & we were probably going to die like our aunt. Thought about Major Marcy harder than we ever did before as the Air bus roared & fought for altitude.

As we rose above the clouds, it became clear we weren't going to be… Continue

Added by Jack Crossfire on July 31, 2010 at 8:30pm — 12 Comments

Early stages of a TiltCopter

Today everybody and their dog seem to be working on a quad project. And with my own quad having reached a relatively mature stage with stable flight some time ago, I thought it would be nice to try something different.

So inspired by the full-size Osprey tilt rotor design I just started an experimental duo/tilt copter build. Frankly I am far from sure…


Added by John Arne Birkeland on July 31, 2010 at 4:30pm — 23 Comments

ArduPilot 2.6.2 for the Flight Gear Simulator

This is my first post to diydrones.com.

I think that it would be very nice to use same ArduPilot software in real life and with simulator.

So, according this blog post http://diydrones.com/profiles/blogs/the-ardupilot-fg-control-for

I have modified ArduPilot so it can be used with Flight Gear Simulator.



Added by Matti Rytkönen on July 31, 2010 at 2:30pm — 7 Comments

Easystar build.... rudder upgrade

The next mod to my Easystar, a larger rudder made out of balsa and installed with dubro hinges.

There seemed to be 2 main ways to increase the performance of the rudder on the Easystar the first would be to just extend the length of the current rudder and the second would be to increase both the height and the…


Added by Mark on July 31, 2010 at 2:48am — 5 Comments

Dark Star on runway - - - motors running !

Madden AMOST flight of Dark Star.

Finally. my quad is running and being monitored with configurator.

2 x 2200 mah lipo

2 x 90503 props

2 x 90503R prop

My frame

900mhz A/V TX out on one arm.

Video cam in bubble on bottom center.

4- 30A ESC

1- 10A BEC

APMega board

Oil… Continue

Added by Earl on July 30, 2010 at 10:30pm — 11 Comments

3D Robotics
Results of the 2010 AUVSI RoboSub Competition

News from our underwater cousins, thanks to the always great BotJunkie:

"The… Continue

Added by Chris Anderson on July 30, 2010 at 11:30am — 2 Comments

Monster quad

quadcopter overview from Brothers Olson on Vimeo.

Oh no I'm making this quad world, funny how quad posts all arrive together just like buses, I thought this chap had done well and this was worth sharing.

Looking further they seem to know what they are doing...…


Added by Gary Mortimer on July 29, 2010 at 11:30am — 22 Comments

3D Robotics
Update on ArduQuad progress

ArduQuad, the quadcopter part of the ArduCopter family, is nearing production. The first prototypes are going to the dev team next week, and Jani Hirvinen, who is manufacturing them, says retail availability should be in about six…

Added by Chris Anderson on July 29, 2010 at 11:00am — 29 Comments

3D Robotics
Quadrotor balancing a weighted stick

Markus Hehn and Raffaello D’Andrea at the Institute of Dynamic System and Control at ETH Zurich have another great demo. Before you try this at home, remember that it uses a $400,000 motion capture system and only works in this box, where the cameras can see…

Added by Chris Anderson on July 29, 2010 at 10:27am — 3 Comments

3D Robotics
Parrot AR.Drone now available for pre-order at Brookstone

Thanks to commentor John Wright for being the first to notice that the Parrot AR.Drone is now available for pre-order at its exclusive US retailer, Brookstone. $299.99, as promised, expected to ship September…


Added by Chris Anderson on July 29, 2010 at 10:01am — 6 Comments

Indoor Flying Robot.

Let me start with my first post with thanking everyone on this site for their valuable info and enthusiasm

For a systems engineering unit we have been given the task of creating a flying robot that is capable of detecting letters on a structure (wall) and providing an aural alert once any letters have been detected. Being through the prelimanary design phase we have gone with none other than the aeroquad platform!

The configuration is as follows,

- Arduino… Continue

Added by Michael Vowles on July 29, 2010 at 6:12am — 1 Comment

Voyage of Discovery - (Great Finds) Sky Fly Max & other Everyday Stuff to Make Good Parts

I found the Fuse to a Sky Fly Max at a local hobby store and was instantly forced to buy it. It's a great, but simple starter plane which I think will make a great UAV. All of the parts except for the fiberglass boom are EPO type foam, all thick and well made. Like always, I will not buy an RTF so I'll need to part it together, but that should be less than $65. for just the air frame. I have a few ideas to make it more me, but that's for…


Added by Brian on July 28, 2010 at 11:22pm — 3 Comments

3D Robotics
T3-Round 8: The egg-drop round!

Inspired by the Outback Challenge's waterbottle drop challenge, we're happy to now announce the start of the 8th round of the T3 Competition.

Your mission this time: have…


Added by Chris Anderson on July 28, 2010 at 11:30am — 90 Comments

3D Robotics
Great story about the origins of FY Tech (and FY3ZT autopilot)

FY-Tech, makers of the FY3ZT autopilot that we're testing, now have a new website/store with a great story of their origins.…


Added by Chris Anderson on July 28, 2010 at 10:00am — 5 Comments

2010 Kansas Unmanned Systems Symposium

What: 2010 Kansas Unmanned Systems Symposium

When: October 4-6, 2010…


Added by Jessica Powers on July 28, 2010 at 8:30am — 2 Comments

Investigation: Procerus claims Coriolis force correction for IMU...

  1. http://www.procerusuav.com/Downloads/DataSheets/Kestrel_2.2x.pdf


Roll and pitch estimation corrected for coriolis forces

(10% to 25% improved roll…


Added by Krzysztof Bosak on July 28, 2010 at 6:00am — 9 Comments

Rudder vs. Aileron

I'm sure this has been discussed here before, but past posts seem pretty well buried now.

I've been giving some thought as to whether rudder or aileron (in isolation of each other) is better for initiating turns via autopilot control. As a bank-and-crank RC flier (it wasn't until relatively recently that I learned that the left stick on my transmitter could be used for more…


Added by Paul Marsh on July 27, 2010 at 4:32am — 9 Comments

APv2,ArduIMU+v2,Shieldv2,EM406A,XBeePro 38400 Stuff

A few people have been wanting to look at the path i took to get telemetry data from the above combination of hardware.

I used the ArduIMU v1.7 code, and the ArduPilot 2.6.2 code (it was freshest at the time).



#define BOARD_VERSION 2 // 1 For V1 and 2 for V2

#define GPS_PROTOCOL 2 // 1 - NMEA, 2 - EM406, 3 - Ublox We have only tested with Ublox

//yes i set the EM406 here

#define PRINT_GPS 1 //Will print GPS… Continue

Added by Richard Lyman on July 26, 2010 at 8:26pm — 1 Comment

Model aircraft crash closes main road

Its summer in the northern hemisphere, be careful

Added by Gary Mortimer on July 26, 2010 at 10:32am — 6 Comments

Wing span vs takeoff weight

I'm new to rc planes.In a previous post I expressed my opinion about Muliplex EZ Star.Now I'm ready to upgrade to something more durable.

I see people fly all kind of airplanes:slowflyers, acrobatic, gliders,hotliners,etc.

I felt in love with fiberglass hotliners.But they come in different sizes:1.5 to 3 meters span(even more).
I almost bought the plane shown here.It's a custom made…

Added by ionut on July 26, 2010 at 2:27am — 8 Comments

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