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Nov 22, 2006, 05:01 AM
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Landing platform #5, space shuttle simulations


11/20 flights:
3300mAh
25 min

4000mAh
landing operations

11/21 flights:
4000mAh
10min landing operations

3300mAh
25 min

Was very successful with landing platform #5. Instead of weight optimization, the goal was to simulate a future payload manifest. The future manifest calls for mounting a camera on a rigid pylon and it requires the skid platform concept. This was the most successful test flight so far.

Took a very long time to line up and it was very precarious but 6 out of 6 landings succeeded. Takeoff 1 ended in a crash because the antenna was rattling against the payload.

Time to raise the landing platform out of ground effect and taper the opening. A weight-optimized system could work if the landing platform was on a crane, tracked the skids robotically, and grabbed them with some kind of claws.

For battery budgeting, the landing times were:

73sec
111sec
63sec
66sec
44sec
75sec

If you can't land within your battery budget, prepare 2 get immigrated and naturalized by U. Know. Who-ica.

The current draw for this payload was:
2A * 60min / 10min = 12A

It seemed to take almost as much as the camera table.

Finally, we have some space shuttle simulations. These showed how our copter could lift off vertically and land horizontally just like a space shuttle, but unlike a space shuttle we can hover over a single spot like a UFO.

Also tested emergency descents. Seems emergency descents are not possible from far away because the low rotor speed requires aggressive trimming.
Last edited by Jack Crossfire; Nov 22, 2006 at 02:25 PM.
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Nov 24, 2006, 09:20 AM
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Very nice photos!
Dec 01, 2006, 10:52 AM
Very cool pics!


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