quadcopter overview from Brothers Olson on Vimeo.

Oh no I'm making this quad world, funny how quad posts all arrive together just like buses, I thought this chap had done well and this was worth sharing.

Looking further they seem to know what they are doing...

Quad Copter footage from Brothers Olson on Vimeo.

Views: 400

Comment by Scott James on July 30, 2010 at 4:46am
I just love the enthusiasm of the Wife/Girlfriend @1:18.
You can just tell she is thinking "Come on... hurry up with your stupid helicopter crap!"
Meanwhile... all the guys that are watching are thinking "Wow, how cool is that!"

Hmmmmmm.........It's just like being at my house! :)
Comment by AVS on July 30, 2010 at 5:09am
All sizes of quad suck power and have very short flight times. They seem like a waste of time and money but this one can lift a useful load and that changes the game for me! Great machine. I will be building one as soon as I find the time. Thanks for the post
Comment by Overwatch on July 30, 2010 at 6:40am
My WIP hexa is hovering at 12 amps, around 22 min on a 5 Ah battery. With two batteries it draws 18 A and lasts 32 minutes. It might be the time spent with these things, but I consider that efficient :)) Weight is the key.

Optimizing the flight profile is also crucial for long flight times. The key is to determine its most efficient loading (minimize A/kg), machine's horizontal cruise speed (minimize mAh/m at a specific weight) and learn how to fly with the wind, not against it (not having the pilot/autopilot correct drift if it isn't necessary... frequent throttling eats more power than doing one large correction per waypoint).

Acrobatic flight is of course not going to get anywhere near this. I'm a slow flyer.

One day the 1-hour milestone will fall.

Comment by Gary Mortimer on July 30, 2010 at 6:51am
@Scott yes I picked up on that as well ;-)
Comment by AVS on July 30, 2010 at 6:55am
Martin. The 1 hour milestone will be a lot of fun :)
Comment by Scott James on July 30, 2010 at 6:56am
Gotta love the female admiration for our hobby :)
Comment by AVS on July 30, 2010 at 8:02am
Hey guys are you sure that isn't the voice of a younger brother concentrating on filming?

Don't take this the wrong way, all your comments would still be an accurate generalisation :)
Comment by S11D336B on July 30, 2010 at 8:06am
You're right, not a basic stamp. Good luck with all of your projects guys, there is always a lot of interesting discussion here and a lot of smart people.
Comment by AVS on July 30, 2010 at 8:24am
It's a great frame for an APM with IMU

Comment by John Arne Birkeland on July 30, 2010 at 8:55am
@S11D336B: Fast reading trough the RCG thread it looks like you have spent a lot of time developing the system, and it shows in the hover stability. Did you ever get around to implementing Kalman or is it 'home brewed'?


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