Jack Crossfire's Blog – February 2012 Archive (5)

Marcy 2 parts





So after another $75, all of Marcy 2's brain finally arrived.  To be sure, Marcy 2 has gone through a lot of failed iterations & airframes.  This time, she's a Wifi monocopter.





As bad as it is for business, the cheapest…

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Added by Jack Crossfire on February 28, 2012 at 6:00pm — 4 Comments

Monocopter cam dreams

This video was the 1st time we saw a camera on a monocopter getting useful images.  Indeed, it was the 1st video anyone ever made from a high speed camera.  Now we knew the shutter speed in daylight was fast enough & the image could be stabilized. 



If a flash is timed with the rotation, the camera could work in the dark.  The…

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Added by Jack Crossfire on February 19, 2012 at 10:07pm — 7 Comments

OpenCV aspirations



In the quest for daylight flying, it's our 1st attempt at detecting the position of an aircraft using the SURF implementation in OpenCV. It's a long way from detecting something flying in a room with lots of background detail & even with a noise free background it has a hard time with accuracy. The single 3.7Ghz core does 8fps.…



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Added by Jack Crossfire on February 11, 2012 at 7:24pm — 9 Comments

Ground based autopilot notes





We never stop debating the intelligence of sticking with a ground based autopilot.  People make money on chip autopilots.  They just need an RC transmitter & their plane.  We need a 3rd gadget, the ground based computer & have much shorter radio…

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Added by Jack Crossfire on February 7, 2012 at 9:49pm — 7 Comments

Monocopter POV Choreography

The mane requirement for Marcy 1 was always the most advanced flying thing known to man, hovering autonomously, showing POV synchronized to Evans Blue: The Darkness That Follows. 2 years after envisioning it, we finally got it working. It doesn't come out as well with the slow RPM as hoped.



Getting the full POV image requires lying…

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Added by Jack Crossfire on February 6, 2012 at 4:00am — 6 Comments

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