Cliff Gill
  • Male
  • Leawood, KS
  • United States

Cliff Gill's Friends

  • Brian Prange
  • Brian Welde
  • easysky
  • Ron Curry
  • Ned Horning
  • Wrongway
  • John Bond
  • Rigel
  • Martin Poller
  • Amilcar Lucas
  • Hai Tran
  • Russell B. Sutton
  • Fouad Mahmud
  • Anthony Wooldridge
  • SciFly

Cliff Gill's Groups

Cliff Gill's Discussions

New Sony A7r 36mp Camera - Anyone tried it? Opinions?

Started this discussion. Last reply by iskess Nov 12, 2013. 1 Reply

Sony came out with a new fairly compact camera with a huge footprint, 36 megapixel full frame sensor, same sensor as the nikon D800 but only 474 grams, also without a desharpening anti-aliasing…Continue

Longitude errors in flight planning of mission planner

Started this discussion. Last reply by Michael Oborne May 19, 2012. 6 Replies

Everyone and especially Michael,I believe that APM mission planner has an error in calculating flight plans in terms of correcting for longitudinal distances with respect to latitude. For instance,…Continue

SZD-45 OGAR airframe, enlarged skywalker substitute?

Started this discussion. Last reply by Todd Hill Jul 10, 2013. 10 Replies

Anyone investigated or heard of this airframe? Found at www.thewingsmaker.comIt looks similar to the skywalker in terms of a pusher T-tail foamy, but it has…Continue

Tags: skywalker

Unstable hardware and loiter mode stuck with APM 2.12

Started this discussion. Last reply by Cliff Gill Jul 5, 2011. 2 Replies

I have an APM with 2540 IC running APM 2.12 in a skywalker with Hitec Auroa 9 RC. The hardware is extremely unstable, APM is very frequently losing all configuration, about every 3rd flight. I have…Continue


Cliff Gill's Page

Profile Information

About Me:
I am an aerial mapping and aerial photography specialist, and just getting involved in unmammed aircraft. My background is in geology, where I have always been interested in mapping and earth science. I learned to fly in 1986 and have been a pilot ever since. I migrated to manned aerial surveying and geomatics in 2000 working as a pilot, sensor specialists, and flight department manager. I am not an engineer, but sometimes think I should have gone that route based upon my interests. I am fairly knowledgeable about professional aerial surveying and photography having worked in the field for many years, as well as consumer grade aerial cameras and photography for low cost applications. I am very familiar with high end survey grade GPS and IMU systems, and some remote sensing such as imaging spectrometry, thermal and IR imaging. My professional interest is in airborne remote sensing and photography, and recognize that I should become knowledgeable about unmanned aircraft. I was an avid RC pilot 25 years ago, but a lot has changed.
Please tell us a bit about your UAV interest
Interested in UAV mapping, photography, remote sensing, and data collection. Currently just getting started with a skywalker. I have to get back up to speed with basic RC flying skills, then FPV, and then UAV. I also have a very strong interest in camera mount stabilization and hope to configure an ardupilot mega to stabilize a manned aircraft mount.
Kansas City area, and Homer Alaska

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Cliff Gill's Blog

Roll Stabilization for Vertical Photo Mapping

Posted on June 9, 2011 at 3:00pm 0 Comments

I completed a first test flight for roll stabilization for vertical mapping. It dramatically helps aiming the camera down, and should help with optimizing/maximizing line spacing and acheiving better results for any stitching and photogrammetry processing by getting generally vertical rather than slightly oblique photos.

I used for building the mount itself, this is really handy stuff for these types of projects, it is the tiny version of T slot tubing. Once you use it for…


Photomapping Camera Stabilization using Silicon Gel

Posted on June 9, 2011 at 5:30am 8 Comments

I am new to this site within about the last month, trying to get up to speed for aerial mapping using a UAV, currently using ArdupilotMega with a skywalker for vertical mapping. In mounting a small camera inside the fuselage of the Skywalker, I experimented with silicon gel for vibration isolation, which appears to be promising. The current testing used a Canon SD1200 IS camera because it was available, but I would plan on using something with a larger imaging…


Comment Wall (4 comments)

At 4:17pm on September 7, 2011, Rigel said…

Hi Cliff,


I'm working on camera stabilization as well.  I've implemented Alpo's code but I noticed that the roll channel creates a lot of jitters.  Is this a problem you've run into as well? 

I see pictures of a crashed skywalker...what happened?


Attached below are a coupe of pictures of my setup with a belly pod of the 2 axis camera nacelle.  All the best.

At 8:17pm on September 9, 2011, Rigel said…

Cliff,  I've attached a few pictures of the setup.  If you have any questions, don't hesitate to ask.UAV%20small.rar

At 8:38pm on September 9, 2011, Rigel said…

By the way Cliff, I've been building this drone for topo mapping purposes.  Any advice on your part would be welcomed.

At 12:54pm on September 16, 2011, Rigel said…


Sorry I posted the pictures by mistake on my page instead of your thread.  You can check them out here:


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