PDA

View Full Version : Discussion Quad UAV Stability at last

Clarkst
Oct 29, 2007, 07:50 AM
Some of you are aware of my efforts to get a functional QuadCopter design. Thanks to help from those who responded from this web site, others, and months of work, I have 4 quads that are stable indoors and out.
They weigh 6-7 lbs and have a total thrust capacity of 14 lbs for 15 min, with a total no payload time of 20 min. Construction is carbon fiber and foam. I have attached video links for your review.


http://www.youtube.com/watch?v=8xdvYp4elvY

http://www.youtube.com/watch?v=66vJJN89-fg

http://www.youtube.com/watch?v=81tn3OpsBa0

http://www.youtube.com/watch?v=eWbWrQ2yBJQ

http://www.youtube.com/watch?v=EzNqQvEQ9mw

http://www.youtube.com/watch?v=Kh2gZw79cgM
zlite
Oct 29, 2007, 01:54 PM
Great work! Do you have a site where you've documented your tech or otherwise laid a path that others can follow? I'd love to try my hand at one myself, but most of the work as you know is now in Germany and is both hard to understand and expensive.

What are your long term plans for this project?
Arthur P.
Oct 29, 2007, 03:43 PM
Looking good Clarkst. Mind if I crosslink from my quadrokopter build thread in the Aerial Photography forum (http://www.rcgroups.com/forums/showthread.php?t=716870)? Would also be very interested to see some more details on motors, ESCs, avionics, flight controler, software, build details of your frames, etc. I-m particularly impressed with your rotor enclosures. They do seem to increase noise levels a bit, but may also help further improve safety.

I assume you are following the Mikrokopter developments where a number of people now have reached UAVP status with GPS integration and short preprogrammed flights.
Clarkst
Oct 29, 2007, 04:27 PM
Thanks, and I would be happy to assist where I can.

Yes, I have one of the German treasures, still doesn’t fly.
Clarkst
Oct 29, 2007, 04:36 PM
Arthur, yes the prop guards provide a false sense of security. However, the 12 stitches I have in my hand tell me to put them on.
I am experimenting with rounded ( ) prop guards today, I expect they will change the noise level. 3 bladed props help, but I can only find them in wood which is less tolerant to contact with stationary objects, and the splintering is spectacular.