Jack Crossfire's Blog – May 2008 Archive (3)

Rotorcraft endurance records 4 U

Another first from the "don't apply if your resume doesn't say MIT on it" department. The Eurocopter may have been the first to summit Everest, Alan Szebo Sr/Jr may rule the 3D kingdom, but the Hummingbird's got the endurance record now.



http://www.darpa.mil/body/news/2008/A160DARPAReleasev4.pdf



Now if only the Hummingbird could repeat these stunts without crashing.…



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Added by Jack Crossfire on May 21, 2008 at 9:00pm — 6 Comments

UAV #1

This was my first UAV.







It was the simplest, cheapest UAV possible: a magnet. It couldn't fly very high, it couldn't follow waypoints, it couldn't carry much of a payload, it was even more unstable than a helicopter, but it could fly as long as PG&E didn't have a rolling blackout.



The guidance system was as simple as can be. Just pulse the throttle when too low or high. Scale the duty cycle based on the time… Continue

Added by Jack Crossfire on May 13, 2008 at 10:00am — 1 Comment

Goo Tube blowup

Blowup of the stationary hover video for the ultimate flying feeling.

Added by Jack Crossfire on May 9, 2008 at 3:16pm — No Comments

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