Ian Sears
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  • Randolph, VT
  • United States
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  • Mike Cowan

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About Me:
A Dad
Please tell us a bit about your UAV interest
As a local Cubscout master, I look forward to what might happen as all these great kids get their head around how to include a diy drone in their imaginings and creations.

I plan to include the pack in the building of a drone to document their outings throughout the years. Kind of a project-based augmented document maker? I'll have to think of a way to articulate that better! :)

Very impressed with the methodical approach this is all taking. Hope I can help before I need help.

Vermont, USA

Comment Wall (3 comments)

At 1:54pm on August 12, 2011, Mike Cowan said…

There has been a lot of air over the wing since we last corresponded.  Good to hear from you. Have been studying the completed Ardupilot/IMU, and have a much better grounding in the current technology. Let me say I am impressed at the sophistication of the Hardware and software. I feel like Lindbergh showing up at a Blue Angels show. Guess it's all a matter of course now. Someone has a wind tunnel for an Easy Flyer. another is deriving the stability coefficients for the same A/F using a USAF computational fluid dynamics program.  Go for it Ian!



At 4:19pm on August 15, 2011, Mike Cowan said…

Ian - Some added information that may be of help to you in your camera pointing development effort.  As I wrote, I had in mind the camera orientation defined in the attached sketch.  For a forward looker, the azimuth gimbal angle, alpha, would have a range of +/- around zero. For a side looker, alpha would range from 0 to 180 (starboard mount) and 0 to minus 180 (port mount).  Euler's theorem on rotations might be useful in computing  pointing vector components but plain old sines and cosines are easy to use.  It would be of interest to get a wire frame sketch of your baseline frame orientations if they differ.


Mike Cowan

At 4:10pm on October 31, 2011, Chuck Wojack said…

Thanks for your comment and please excuse the untimely response.  Yes I am very interested in UAVs and would love to pick your brain.  I have about 2873 questions and would love to get a start before I can't move any more.  

I was not at the show but you can bet that I would have been attached to you for the day. I hope that we can get together in a shorter time than I answered your message.

Chuck  (K1EGL)

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