Stephen Zidek
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Question for Discharging Lipos on Charger

Started Feb 24, 2016 0 Replies

I am planning to use a Hyperion lipo charger to discharge test my new lipos.  It has a USB connection, which I will use to graph data.  My question is: what voltage do I discharge to?  I am unsure of…Continue

Why is the Canon S100's rate crippled?

Started this discussion. Last reply by Walter Wing Jul 23, 2015. 1 Reply

Hi, quick question.  The Canon S100 is capable of 2 pictures per second just by pressing the shutter button.  So when running 3DR's CHDK script, why is this rate crippled at one picture every 2…Continue

Feature Request/Discussion: VTOL Flight Modes

Started this discussion. Last reply by Javier Diaz Aug 21, 2014. 1 Reply

Hi there, I had a thought about a potential way to implement VTOL in arducopter and I thought I'd open it for discussion so you guys can tell me how off base I am.Some background just in case: I'm…Continue

Stephen's T3 Documentation Thread (Image Heavy!)

Started this discussion. Last reply by Stephen Zidek Jul 18, 2013. 4 Replies

This is the thread where I document my attempts for this round of T3.  Gary mentioned that documentation…Continue


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3D Printed Model Made From UAV Imagery

Posted on July 1, 2014 at 5:32pm 2 Comments

Some of you may remember my T3 entry: a 3D scan of the UMBC campus.  If not, check out the blog post.  Well I'm glad to say that since then I've gotten the scan printed!  My lab partner and I are looking at starting a small business, and while doing so we were introduced to Potomac…



T3 "The Model" Entry Rundown

Posted on February 10, 2014 at 9:44pm 0 Comments

While we're waiting for this T3 to be judged, I thought I'd do a quick rundown of the entries.  If you haven't seen them already, here you are!  I think everyone did great, I'm seriously impressed by the quality of work which came out of this T3.…



Octocopter Scan of UMBC (T3 Entry)

Posted on January 28, 2014 at 9:00pm 21 Comments

Warning: Lots of hi res images!

This is my entry for T3!  I intern in an NSF funded lab which uses multicopters for ecological research.  More specifically: we do photogrammetry in Agisoft Photoscan to produce LiDAR like point clouds.  We're based out of UMBC, which is the campus shown above.  I'd already been thinking about doing a full campus…



A Good Field Day: Eight Full Flights!

Posted on July 3, 2013 at 10:35am 6 Comments

June 2nd, 2013 was a good field day for photo collection! I flew eight flights with Crimson, the Arducopter hexa with Mikrokopter motors and frame. Five flights were for the "matrix", this summer's big project of comparing the effect of different flight conditions on 3D scan quality. This condition was diffuse lighting, high wind, flying 40m above the canopy, with 50% side…


Comment Wall (2 comments)

At 7:28pm on April 30, 2013,
Steve Westerfeld

Ask away Stephen

At 2:32pm on August 19, 2013, Nelson Salez said…

Hi.  I researched online.  If your question is about the three motor wires connecting to the 3 wires (often no color code) on the ESC, the answer is simple.  Hook them up, then run a motor spin direction test.  Some number will be correct, some wrong.  To reverse the direction, pick any two of the wires, and reverse them.  That's all it took.

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