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Re: [Paparazzi-devel] Quad Tilt Rotor using Lisa/M


From: Richardson, Mark E C1C USAF USAFA CW/CS13
Subject: Re: [Paparazzi-devel] Quad Tilt Rotor using Lisa/M
Date: Thu, 23 Jan 2014 15:43:58 -0700

Hey there David, I have just got the Lisa/M in and am having trouble with the 
paparazzi center. I'ts most likely because im just very unfamiliar to linux. I 
was able to successfully install it using the quickstart on Ubuntu 12.04 and 
had it running. But now I have no Idea how to open it. I've opened a terminal 
and typed the "./paparazzi" command but that just responds "./paparazzi is a 
directory". 

What am I doing wrong?

-mark

-----Original Message-----
From: address@hidden [mailto:address@hidden On Behalf Of David Conger
Sent: Thursday, January 16, 2014 10:04 PM
To: Paparazzi UAV devel list
Subject: Re: [Paparazzi-devel] Quad Tilt Rotor using Lisa/M

Hey Mark,

Have you see this: http://www.youtube.com/watch?v=Z7XgRK7pMoU

Transitioning platform code is written and tested in Paparazzi already. Note 
the landings of the winged body (Quadshot) as it nears landing it switches to 
hover and lands. The wind was howling that day (I was there)...easily 20+ MPH.

What makes Paparazzi the one to use is the maturity and depth of the code. The 
real world is not still air and perfect conditions.
Paparazzi excels in real world conditions and very imperfect weather.

PixHawk, my opinion is it's new hardware and untested. That project measures 
itself primarily in business terms of units made and sold not successful 
flights or missions and competitions won. Granted they are extremely successful 
in business terms but I have yet to see success measured in real world missions 
or competitions. They are very aggressive marketers and are very good at 
selling their project so I'm not surprised you were contacted after posting 
here. They also have many members subscribed to this email list.

Paparazzi is used by quite a lot of people actually. It is a very mature, open 
and growing community. They are all just quietly doing academics or research 
projects very much like yours not sales or marketing. There are even several 
commercial platforms with Paparazzi under the hood. A few Govt projects using 
Paparazzi based systems.
There are Paparazzi drones flying for more than 7 years in the Arctic and 
Antarctic regions doing atmospheric research. These are not people planning but 
real, complex missions like yours successfully flying.
Success in Paparazzi terms is measured in members starting, building and flying 
the mission intended with 100% accuracy and zero failure.
Success is also measured in winning UAV competitions around the World.
Paparazzi since 2002 has either won or placed top three every year, year after 
year. A Paparazzi based team TUDelft won the outdoor and indoor competition for 
IMAV2013 by flying simultaneously 12 drones with a single operator using a 
single laptop ground station (video URL given above).

I think you have chosen Paparazzi so I'm probably preaching to the choir. 
You've made a great choice. You are in good company here and there are many in 
the USA and Worldwide to help you along. Welcome.

David




On Thu, Jan 16, 2014 at 5:27 PM, Richardson, Mark E C1C USAF USAFA
CW/CS13 <address@hidden> wrote:
> Reto, thanks so much for the information, I will be contacting Piotr and 
> Wagter and see if they can offer me any guidance on this. As far as the 
> transition deliverables you posted, I don’t think we will attempt to reach 
> such high efficiency just yet;  the innovative part of our project is that 
> the quad tilt rotor has the capability of being stored in an un-deployed 
> configuration and  remotely deploying itself (if everything goes correctly, 
> it will do this mid air after being dropped from 4000' AGL and using a drag 
> chute to slow it down) However, if it all goes correctly, we will most likely 
> see if there is anything we can do to improve efficiency.
>
> Chris, after looking at the pictures of the VERTI4 I think you are 
> underestimating 60", that’s 5 full feet which after testing our wing out, 
> seems closer to double the size of the one in the youtube video. Also, the 
> wing was manufactured to be able to handle our total 12lb weight through a 3G 
> turn so hopefully we can catch enough speed that the wing will no longer be 
> just decoration.
>
> What are your opinions on the Pixhawk Autopilot, I just had it suggested to 
> me after the last post.
>
> PS - I just got a hold of a tiny computer and put UBUNTU on  it, 
> unfortunately I'm not allowed to hook it up to the GOV network we use so I 
> will have to get a 4G wifi hotspot before I can download and start to work 
> with the Paparazzi software  --- also put through a request for an order of 
> the Lisa/M which will hopefully be ordered tomorrow;  what is the shipping 
> time usually on this and what accessories come with it?
>
>
> Again thanks so much to all of you for giving my teams project some time. I 
> will do my best to keep this site updated on the progress and will definitely 
> post questions to get more help.
>
>
>
> Thanks!!!
>
> Mark Richardson
> USAF Academy
>
>
>
> _______________________________________________
> Paparazzi-devel mailing list
> address@hidden
> https://lists.nongnu.org/mailman/listinfo/paparazzi-devel



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