John C.'s Blog (13)

Photosynthesis Assessments

NDVI Result

I recently modified an A2300 by taking out the IR filter and finding a …

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Added by John C. on May 28, 2013 at 11:30am — 13 Comments

Big Product News

 

3DR Hexacopter to Y6 conversion kits are now available for less than $50.…

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Added by John C. on May 15, 2013 at 3:00pm — 16 Comments

The New 3DR Store Has Landed!

You've likely already received a message in your inbox to set up your new store account at http://store.3drobotics.com

We're moving to a new, open source, more flexible platform called …

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Added by John C. on April 18, 2013 at 3:54pm — 22 Comments

Scripted Fixed-Wing Acrobatics

Hello Everyone,

I've recently had the chance to get some basic acrobatic moves scripted for fixed-wing airplanes.  They are far from perfect, but I wanted to share.

In the (slightly choppy) video, you'll see a left roll, a right roll and most of a loop.

Let's talk a bit about how to…

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Added by John C. on March 8, 2013 at 11:29am — 3 Comments

Congratulations to Tom Coyle!

Please take a moment to congratulate Tom Coyle on his new position as Senior Administrator for the …

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Added by John C. on March 7, 2013 at 11:46am — 25 Comments

25% Discount at Our New Store (Now Offline)

EDIT March 4th, 2013: Thank you very much for your feedback and patience!  We've got a good to-do list now, and rather than keep two stores up and running, we're going to take the beta site down until we're ready with all of the great feedback you provided.  It will be back again soon, but if…

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Added by John C. on February 28, 2013 at 9:00pm — 58 Comments

Big Site-Wide Changes are Coming!

We are in the process of making some significant changes to our site layout and content to improve the overall ease-of-use experience here at DIY Drones.

As part of that effort, we wanted to put out the first section of the site that is ready for community-wide peer review.  You can see…

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Added by John C. on February 28, 2013 at 1:20pm — 41 Comments

More FPV from a quad

I'm just getting all my equipment sorted out for FPV on the quad, but made some good progress today that I thought I'd share.

 

I got the idea for a standalone FPV pod from flitetest.  Just wanted to get things…

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Added by John C. on October 11, 2011 at 5:00pm — 10 Comments

Successful "Twofer" Day

 

I recently picked up a dragonlink Tx and two Rx.  One for the EasyStar and one for the ACM.

 

Had a great maiden a couple of days ago with the DragonLink on the ACM, so I decided to hurry up and get the other Rx in the ez*.  I also knew that I always faired better with 2.4Ghz reception on the ez* than the…

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Added by John C. on September 10, 2011 at 8:00pm — 3 Comments

A quick and dirty AC camera stabilization setup

FPV Tilt Camera Mount with Landing Gear

 

I saw one of these a few weeks back, and got to thinking...



How can I easily mount this to a stock AC without making any drastic mods, getting the CG close, and having tilt and roll stabilization possible?…

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Added by John C. on May 5, 2011 at 10:30pm — 12 Comments

A real ballistic chute deployment

Maybe I'm behind the times a bit, but I've never seen a full-size ballistic chute open on an aerobatic plane before.


Amazing…
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Added by John C. on August 18, 2010 at 11:37am — 9 Comments

Proposing a type of configuration tracker

Hello All,


I've mentioned this before briefly in a couple of posts, but I'd like to pose it in a bit more formal way.


I also ride off-road motorcycles. A 2005 CRF450x to be exact. Fun bike, but it's a hobby, and there's a lot to learn and tinker with.


On my 450x community, we have a very detailed thread on people's setups. Year, mods, carb jetting, suspension settings, type of rider, weight, location,…
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Added by John C. on June 23, 2010 at 9:41pm — 5 Comments

Social Networking

Contests

Season Two of the Trust Time Trial (T3) Contest has now begun. The fourth round is an accuracy round for multicopters, which requires contestants to fly a cube. The deadline is April 14th.

A list of all T3 contests is here

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