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This thread is privately moderated by Jack Crossfire, who may elect to delete unwanted replies.
Nov 18, 2006, 06:12 AM
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Jack Crossfire's Avatar
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Camera mount #7, a new citizen of the country

Got another 2 flights without any wind. The first flight with the
camera table and no wind still had more roll oscillation than the 4
legged monster but was also lighter. Downwash in the camera's current
position was considerable so couldn't get any RPM values.

Reached the highest altitude so far with a camera, but need outriggers
and daylight to go any higher. Outriggers for insane altitude are the
next frontier.

Having 30 minutes of clear skies, decided to try for some high altitude
shots of the copter in front of Orion. Ended up very high and started
experiencing sudden clockwise yaw. Turned nose-in and hit forward
cyclic but somehow ended up heading downrange fast. Got too far away to
resolve red & blue.

It looked like red was on the right and blue was on the left but forward
cyclic wasn't making it come back. Rotated sideways. Banked left.
Banked right. Forward cyclic. Aft cyclic. Was red on the left or the
right? Rapidly heading for the $40,000,000 houses and the Porsche
Cheyannes. Had to descend. Seemed to descend faster and faster. More
power but still falling. Red was definitely on the right but no cyclic

BMW Z4 at 12 oclock. Kill throttle. Crack. Welcome to the U. Know.
Where.. Red, white, and blue LEDs suck. In fact, red, white, and blue

Fortunately crashed 30ft inside the golf course, missing the trees by
only 5 ft. Loudest crash ever. 1 stipped ny-tie, broken antenna strut,
still flyable. Had 2 do some forward velocity landings but was not
deterred until the camera battery died.

The only explanation was the copter ran into upper level wind sheer. Timelapse camera footage showed low level North winds and high level West winds.
This caused the first loss of tail authority and rise in altitude. Over
confident, maintained altitude and allowed the upper level wind to blow
it downrange and still higher. Radio contact probably became
intermittent, reducing cyclic authority. 2nd loss of control on the
south side of this fairway. If it happened with a camera, it would have
been disasterous.

camera table
6 min flight
no wind
2A 45min recharge
15A current draw

30min flight
no wind

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Nov 18, 2006, 03:26 PM
Stilwell Shipyard
lslewis's Avatar
Very impressive Jack.
Hurricane Larry

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