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Quadrotor Discussion

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Re: Quadrotor Discussion

Unread postAuthor: jackssmirkingrevenge » Wed Nov 27, 2013 8:36 am

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Re: Quadrotor Discussion

Unread postAuthor: jackssmirkingrevenge » Mon Dec 02, 2013 8:44 am

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Re: Quadrotor Discussion

Unread postAuthor: jackssmirkingrevenge » Sat Dec 07, 2013 8:42 am

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Re: Quadrotor Discussion

Unread postAuthor: Talk » Sat Dec 07, 2013 2:03 pm

I really want to see the volocopter being used by air force or military :twisted:
and this,
_71470971_image-gallery-01._v367570019_.jpg'.jpg

i think people will try to catch it and take all the parts..lol
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Re: Quadrotor Discussion

Unread postAuthor: jackssmirkingrevenge » Sun Dec 08, 2013 12:31 pm

Talk wrote:i think people will try to catch it and take all the parts..lol


Yup... it won't work in the real world.
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Re: Quadrotor Discussion

Unread postAuthor: jackssmirkingrevenge » Sun Jan 12, 2014 6:57 pm

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Re: Quadrotor Discussion

Unread postAuthor: jackssmirkingrevenge » Mon Mar 10, 2014 9:20 am

http://www.bbc.com/news/world-asia-26511740

it was only a matter of time...
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Re: Quadrotor Discussion

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Re: Quadrotor Discussion

Unread postAuthor: Talk » Mon Mar 10, 2014 11:07 am

Drones, also known as unmanned aerial vehicles (UAVs), have been used in prison smuggling attempts in the past.


what if they are used to carry out assassinations?
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Re: Quadrotor Discussion

Unread postAuthor: POLAND_SPUD » Tue Mar 11, 2014 6:00 am

jackssmirkingrevenge wrote:http://www.bbc.com/news/world-asia-26511740

it was only a matter of time...

Yup

...and thus governments will sooner or later have to invest some serious $$$ in systems that can detect and track drones
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Re: Quadrotor Discussion

Unread postAuthor: jackssmirkingrevenge » Tue Mar 11, 2014 6:33 am

Talk wrote:what if they are used to carry out assassinations?


An M67 fragmentation grenade weighs a mere 400 grams, of which around 200 grams is energetic material. Something like this is cheap and can carry 500 grams comfortably: http://www.ebay.com/itm/Hobbylord-Bumbl ... 4172db453c

It can be flown through a window and take out everyone inside a medium sized room.

Scary, scary stuff.

...and thus governments will sooner or later have to invest some serious $$$ in systems that can detect and track drones


Modern AA radars can track small drones with ease, I guess they are already protecting important targets.

edit: slightly related, Tunguska goes nuts!
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Re: Quadrotor Discussion

Unread postAuthor: Talk » Tue Mar 11, 2014 5:16 pm

From now on we must shoot any of these flying objects in the neighbourhood, who knows we might save some innocent lives 8)
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Re: Quadrotor Discussion

Unread postAuthor: POLAND_SPUD » Tue Mar 11, 2014 5:27 pm

You could render most hobbyist level drones or FPV planes using jamming. Though it probably isn't entirely legal.
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Re: Quadrotor Discussion

Unread postAuthor: jackssmirkingrevenge » Wed Mar 12, 2014 5:52 am

POLAND_SPUD wrote:You could render most hobbyist level drones or FPV planes using jamming. Though it probably isn't entirely legal.


You could jam radio controlled devices, but not GPS control without causing major disruptions in an urban area. Inertial control would be impossible to jam, though presumably not as accurate.
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Re: Quadrotor Discussion

Unread postAuthor: jackssmirkingrevenge » Wed Jun 18, 2014 5:25 pm

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Re: Quadrotor Discussion

Unread postAuthor: Technician1002 » Thu Jun 19, 2014 10:01 am

jackssmirkingrevenge wrote:You could jam radio controlled devices, but not GPS control without causing major disruptions in an urban area. Inertial control would be impossible to jam, though presumably not as accurate.


Using limited power and high gain directional antennas (Sat Dish) GPS for a target can be disrupted while limiting the range of interference on the ground to a very small footprint. For example, hitting a drone at 1500 feet while not disturbing in vehicle nav beyond 250 feet.

L1 frequency is 1575.42 MHz and easily directed with a mid size dish or compact yagi antenna.
L2 is 1227.60 MHz
Stay away from L3 and above. Drones don't use them.

After launching rolls of paper into steamers, I think launching a few spools of wire or fishline over the craft would be quite effective. :twisted:
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