Cory
Cory
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Cory's Discussions

Looking for a connector.

Started this discussion. Last reply by Cory Apr 22, 2009. 6 Replies

Suggestions for approaching owner of potential flying site.

Started this discussion. Last reply by Cory Jul 31, 2008. 3 Replies

Good source for cheap lipos and other parts

Started this discussion. Last reply by Cory Jul 23, 2008. 2 Replies

 

Cory's Page

Latest Activity

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Cronselaar commented on Cory's blog post 'AUVSI - Conference'
Just saw this... The botom model is just a cheap chinese Wingdragon that was painted grey...
Jul 25, 2011
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Dheer Lashkari commented on Cory's blog post 'Getting Started With Paparazzi'
Given your background and expertise, I would like to run a specific mission by you to see if it is feasible - I am looking at using the Nexstar EP (RTF) as an aircraft platform to carry 1lb (16 oz) of payload (Autopilot/camera / sensors) and fly it…
Jun 26, 2010
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Rana commented on Cory's blog post 'Getting Started With Paparazzi'
Hi Cory ! Paparazzi AutoPilot is oldest and most respected open source autopilot in the world. Paparazzi AutoPilot teams are working all around the globe. People have put lots of hardwork and efforts for this. I have not seen Paparazzi developers…
Oct 17, 2009
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Nikos Gerarchakis commented on Cory's blog post 'Getting Started With Paparazzi'
Hallo Cory is possible to post the airframe file for the Nextstar?
Oct 17, 2009
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Harsh commented on Cory's blog post 'Getting Started With Paparazzi'
Thanks cory! It seems like all their wires are red - but atleast they have them. Thanks again!
Jul 16, 2009
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Cory commented on Cory's blog post 'Getting Started With Paparazzi'
look here: http://paparazzi.enac.fr/wiki/Other_Hardware#Molex_PicoBlade.E2.84.A2_1.25mm_.28.049.22.29_Pitch_Connector_System As far as I know halfbase never actually delivered any product.
Jul 16, 2009
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Harsh commented on Cory's blog post 'Getting Started With Paparazzi'
Hey Cory, Thanks - this was a very helpful post. I am just getting started with Paparazzi - I got the hardware and was having some problems with the USB cable. So I wanted to make a new picoblade -> USB cable. I was wondering where I can get the…
Jul 16, 2009
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Cory commented on yogesh's blog post 'IR sensor calibration'
I would suggest that you look at the paparazzi source code, I was able to tease out the equations that they use to estimate attitude from the IR sensor information. I don't remember which file you need to look at off the top of my head…
May 3, 2009

Cory's Blog

Cory

Cheap 6 Degree Of Freedom Inertial Measurement Unit

Posted on January 9, 2009 at 11:32am 2 Comments

I have finished my Master's Degree, and so I have to return all of the planes and paparazzi hardware which the school bought for my project. So I have begun working on my next project. So far I have purchased a cheap ($100 receiver ready + 2 free lipos!) 2 meter electric glider from Hobby City so that I can continue to fly. If it has enough space in the fuselage,… Continue
Cory

Getting Started With Paparazzi

Posted on October 31, 2008 at 11:30am 16 Comments

I think for the hobbyist, the only real choice is an open source autopilot. Unfortunately with a closed source solution, you are stuck with the feature set that the developer wants you to have. Another major advantage of open source autopilots is that reading the source code is a valuable learning, and troubleshooting tool. Even if you never intend to modify the code, just being able to look at it can be enough to resolve a problem.

In my… Continue
Cory

List of suggested skills for someone who wants to DIY a DRONE

Posted on October 29, 2008 at 7:46pm 7 Comments

I made this non exhaustive list of skills which are nice to have if you want to build your own UAV.



I think a basic handle on all of these skills will greatly help anyone who wants to build a UAV. If you want to build a UAV, and lack a lot of these skills, don't take this to mean you cannot do it, just understand the magnitude of the difficulty, and be prepared to press on in the face of adversity and to teach yourself a lot. When I decided to build a UAV, I had never even flown an… Continue
Cory

Paparazzi installed in airframe, nearly ready to fly.

Posted on August 20, 2008 at 11:40am 3 Comments

I am happy to report that I have installed the paparazzi autopilot in one of my airframes and have done some ground testing. So far the results are positive. The telemetry works well (at short range at least), and the aircraft reports proper position and attitude. When the aircraft is held at an angle, the control surfaces move to compensate, and the behavior of the control surfaces looks correct.



In the picture below, all of the autopilot system except for the radio modem can be… Continue
Cory

Lithium Polymer Batteries and Chargers mini-primer

Posted on July 23, 2008 at 11:04am 7 Comments

Lithium Polymer batteries are an attractive power source for electric flight due to their high energy density. The combination of lithium polymer batteries and brushless motors now rivals glow power in terms of power and duration.



The main difficulty when using lithium polymer batteries is choosing what batteries and charger to use. Batteries are specified in terms of voltage, capacity, and discharge rating.



Voltage is generally listed as 1S - 6S. The S number refers to… Continue

Comment Wall (6 comments)

At 8:03am on November 5, 2008, RonanRonan said…
Hi Cory, my name's Ronan.

I am leading a project to build a UAV for my University entry to ESCO UAS (European Students Competition on Unmanned Aircraft Systems).

I have taken up the task of trying to configure an autopilot for some of the missions. I regret to say I am making (very) slow progress. I have been looking into using Paparazzi and have it set up and running. Last years team purchased motherboard equipment (a gumstix verdex xl6p with console-xv and netwifimicro sd) and an autopilot (an MNAV 100CA).

I saw your post "Getting Started With Paparazzi" and your offer to help people get started "a lifeline" i thought!

Firstly, do you think we can use this equipment? (I see on the Pap page that gumstix classix equipment is supported)

I thank you in advance for your assistance.

Ronan
At 9:21am on November 13, 2008, RonanRonan said…
Hello again Cory,

We have decided to go ahead with MicroGear, a rebuild of the MNAV software. I saw a comment left for the developer, Curt Olson, on the sourceforge page from a 'coryb'... is this you?
If so did you manage to get the original groundstation software working with microgear?
I have recruited a linux/c/c++ guru onto my team and I am happy to say we are making better progress!

Ronan
At 1:04pm on January 9, 2009, MossMoss said…
Cory, you mentioned you finished your masters, what was your master on? I'm planning on going for my Masters in computer science this year and am thinking of different options. looks like what you studied was pretty interesting
At 2:27pm on January 9, 2009, MossMoss said…
I was thinking of studying artificial inteligence (AI). I thought it may give me opportunity to possible work with autopilots (paparazzi). what would your advice be as far as AI relates to paparazzi system?
At 5:13pm on January 26, 2009, AntonAnton said…
Hey Cory,

Where did you buy the Picoblade pre-crimped connectors? I need to order some for my paparazzi...
At 8:26pm on April 19, 2009, MichaelMichael said…
Hi Corey,

I am interested in a paprazzi autopilot. How do they perform, what limitations do you find they have?

Michael

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