All Blog Posts (9,952)



Thanks to Bill AKA I Love Robotics, the National Recreation Flyers has its own domain name!

My vote goes to Bill as…


Added by Duane Brocious on March 19, 2011 at 12:43pm — 1 Comment

Ardu(tri)Copter gets converted to Ardu(Y6)Copter

Here is a quick preview of my next frame for ArduCopterMega. That is my Tri-Copter frame with the old landing skids (t-rex 500) from first quad frame. I just need to rewire ECS :) And its ready to fly. 

Arms are 15X15mm 1mm thick and 500mm long.

10X4.7 BC2836-11 750KV 30A ESC 4S 3000mah lipo.



Added by Max Levine on March 18, 2011 at 7:48pm — 29 Comments

Marcy 1 actuator development

Now, development of an actuator for Marcy 1.  After all that static testing against gravity, the restoring force from the air wasn't enough to get the flap to straighten.  She just cocked up like a wing at 45 deg.

Since air exerts less force than gravity, maybe actuating the entire wing with some kind of spring as a…


Added by Jack Crossfire on March 18, 2011 at 3:39pm — 4 Comments

Multipilot32 : VRIDE and VROS Status of Project. (17-03-2011) Q&A

Status of Project:

Hardware Available and in public roadmap.

I wrote this post for me , for try to understand where this huge project are  going and for all our  developer , user and people that daily ask me a lot of…


Added by Roberto Navoni on March 17, 2011 at 8:30am — 8 Comments

FIRST Robotics Competition

If you are familiar with the FIRST organization, you know that its filled with great students, mentors and of course robots. I have infact read rumors of DIY drones working with FIRST to develop a quad competition (awesome!). Lots of events around the country are happening…


Added by SciFly on March 16, 2011 at 6:00pm — 7 Comments

Quadrotor Digital PID Control System and Dynamics Modelling

A digital control system model of the pixhawk quadrotor was constructed in scicoslab along with a continuous model of the quadrotor dynamics (the visual model is an arducopter). The user can input the guidance commands to the autopilot through sliders. As the video shows, the yaw response it not optimal, which also happens in the actual system. Using the mavsim Scicoslab toolbox ( ,…


Added by James Goppert on March 16, 2011 at 4:30pm — 34 Comments

Unmanned Development Team

Hey all, over the past two years I've spent a lot of time browsing the DIYdrones website, unfortunantley not really posting anything, but im ready to finally get back into it. The progress that has been made in these two years is absolutely astonishing, and I plan on getting wet real fast.

I'm now in college now,…


Added by Julian on March 16, 2011 at 12:30pm — 2 Comments

New format for international UAV Outback Challenge to boost competition

Rod Walker

The international $50,000 prize UAV (Unmanned Aerial Vehicle) Challenge – Outback Rescue competition held in approved airspace at Kingaroy, Queensland, will become a bi-annual event from 2011.

Challenge co-founder and ARCAA director, QUT’s Professor Rod Walker said the changes were being made to the Challenge to give search and rescue teams more time to gain autonomous flight experience and more high school teams the chance to enter.

Read… Continue

Added by Gary Mortimer on March 16, 2011 at 12:30am — 5 Comments

All Aluminum Arducopter (Triple A)

The Arduino/Arducopter  is a notable project . Actually the ratio price/quality is very good.

But looking at the frame it is clear that some points can be improved: motor mounts, landing ski and GPS holder.…


Added by MVeloso on March 15, 2011 at 5:30pm — 11 Comments

National CBO has free membership and more. Download your membership card today.

The National CBO "National Recreational Flyers" now has free membership, download, trim and laminate your membership card today.

Also posted on the site are the Safety Rules in a PDF file suitable for downloading, laminating and posting at your flying…


Added by Duane Brocious on March 15, 2011 at 10:00am — 11 Comments

New UAV/FPV platform

Hi All

I worked together with LanyuHobby (RC airplane manufacture) to make a good platform for FPV/UAV flying.


The Fuselage…


Added by Robert Krogh (hooks) on March 15, 2011 at 5:00am — 32 Comments

Magnetic Declination and Inclination: A writeup on their use and calculation

(image from


Hi folks!

I decided to implement an on-board declination calculator based on geographic location and I'd love to get some feedback.  It takes up about 1400…


Added by John Erickson on March 14, 2011 at 11:55pm — 5 Comments

NPR piece on DIY Drones




Last month Chris and I were interviewed by Carrie Kahn from NPR West regarding drone use.


The report is unfortunately a bit of an anti climax (see link). I really tried very hard to present our community as progressive, safety aware innovators and the main theme of the…


Added by Rory Paul on March 14, 2011 at 5:30pm — 2 Comments

3D Robotics
A few more pictures from the DIY Drones factory

More pictures from the DIY Drones factory in San Diego. I mentioned before how important testing and QA is. The above picture shows how it's done: each product has a dedicated test jig, with spring-mounted pogo pins and a special…


Added by Chris Anderson on March 14, 2011 at 4:30pm — 5 Comments

3D Robotics
"Are we too reliant on GPS?"

Good article from O'Reilly Radar. It's worth reading it all, but here's the nut:

The core issue is that GPS technology has been built into many crucial infrastructure applications, from transportation systems…


Added by Chris Anderson on March 14, 2011 at 12:30pm — 35 Comments

3D Robotics
Tour of the new (larger!) DIY Drones factory

The heart of the operation: the pick and place machine


A lot has changed since my last photo tour of the DIY Drones San Diego factory. We've moved next door to space more than twice as large…


Added by Chris Anderson on March 13, 2011 at 5:16pm — 17 Comments

My new octocopter frame

This is the new folding frame Project I am working on.

Can anyone tell me if it´s possible to control the eight counter rotating motors with…


Added by Peter Koch on March 13, 2011 at 2:30pm — 65 Comments

A Call to Action for AUVSI Members in the UAS Community

(Via AUVSI, really only relevant to USA-ers:)

Click on the link below to send a timely and important e-mail to your Member of Congress supporting the House FAA Reauthorization Bill (HR 658), which includes provisions granting unmanned aerial systems access into the national airspace.

In an effort to augment the services AUVSI provides to… Continue

Added by Alex on March 13, 2011 at 8:12am — 3 Comments

3D Robotics
ArduPilot Mega now available as an all-in-one kit

By popular demand, ArduPilot Mega is now available as an all-in-one kit for $250. It includes everything you need for a functioning autopilot with GPS, even including RC cables.


We'll soon be offering wireless…


Added by Chris Anderson on March 13, 2011 at 8:00am — 19 Comments

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