Gustavo Guevara
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  • ALEXANDER LOPEZ GONZALES
  • José Jáuregui
  • Brian Christal
  • John Rankin
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Radiolink Pixhawk PIX Flight Controller

Started this discussion. Last reply by Gustavo Guevara Oct 27, 2016. 10 Replies

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Latest Activity

Gustavo Guevara replied to Chad Frazer's discussion The Perfect Camera System - Can anyone do this?
"I just ordered one and maybe next week will make a test and post the results"
Nov 1
Gustavo Guevara left a comment for ALEXANDER LOPEZ GONZALES
"Hola Alexander, en el pasado adquiri 6 equipos de Lehmann Aviation, la version LA200 y LA300, el tema de las fotos en estos equipos realmente no fue el mejor, la camara quedaba expuesta en los aterrizajes y las fotos no eran tomadas desde el piloto…"
Oct 29
ALEXANDER LOPEZ GONZALES left a comment for Gustavo Guevara
"Hello Gustavo. I am new to the forum and looking for the solution of connecting the sony A6000 camera to the drone LA500 - RTK from Lehmann. Apparently you could take photos with this drone. Could you tell me how to take photos from the air with…"
Oct 25
Gustavo Guevara replied to Chad Frazer's discussion The Perfect Camera System - Can anyone do this?
"I saw the new Sony RX0 (https://www.sony.com/electronics/cyber-shot-compact-cameras/dsc-rx0) and look great the "Anti-distortion shutter of up to 1/32000 sec", anyone know of its possible to shutter from Pixhawk? Anti-distortion shutter…"
Sep 25
Gustavo Guevara replied to Chad Frazer's discussion The Perfect Camera System - Can anyone do this?
"Phantom 4 Pro camera is as good as senseFly S.O.D.A, 1 inch sensor, mechanical shutter, small and light, the problem I think is the same as sensFly S.O.D.A, there is no way to buy it alone and integrate with other autopilot. But 2 cameras in the…"
May 5
Gustavo Guevara replied to Chad Frazer's discussion The Perfect Camera System - Can anyone do this?
"Nice post, I also worked for seven years with the aircraft and just now I am trying to solve the camera problem, I will add this feature: - Global Shutter instead Rolling Shutter I try some "interesting" cameras that are small, without…"
May 3
Gustavo Guevara commented on Rob_Lefebvre's blog post Procyon 800E Enters Limited Production
"Many years looking for a configuration like this, great job, congratulation!"
Dec 18, 2016
Gustavo Guevara commented on Chris Anderson's blog post Radiolink SE100 GPS module for Pixhawk
"Ordered 2 GPS and 1 of them is damage, also ordered Pixhawk from Radiolink (http://www.radiolink.com.cn/doce/product-detail-116.html) and the specktrum port has different connector. Din't work"
Oct 27, 2016
Gustavo Guevara replied to Gustavo Guevara's discussion Radiolink Pixhawk PIX Flight Controller
"Yes, it support 2 M flash"
Oct 27, 2016
mocart replied to Gustavo Guevara's discussion Radiolink Pixhawk PIX Flight Controller
"One more  question from my side. I did review hi-level description only and there is a note that board supports 2MB flash. Do you know is this true or it`s suport only 1M|B as well as 3DR?"
Oct 24, 2016
Gustavo Guevara replied to Gustavo Guevara's discussion Radiolink Pixhawk PIX Flight Controller
"Different conectors as in 3DR and SPKT/DSM didn't fix."
Oct 14, 2016
Gustavo Guevara replied to Gustavo Guevara's discussion Radiolink Pixhawk PIX Flight Controller
"Finally I could test Radiolink pilot in Tuffwing frame (excelent frame by the way), about the pilot I found 2 errors: 1. SPKT/DSM port is not the standard for Spektrum receiver, so you need to cut the plug to install it 2. I order 2 GPS antennas, 1…"
Oct 10, 2016
Juan José Chacón Parra replied to Gustavo Guevara's discussion Radiolink Pixhawk PIX Flight Controller
"Hi all... Recently, five days ago, I have received the "Radiolink Pix" set that I ordered in July... a little bit late to do a quick review because it is the second set that Radiolink sent me... the first set never arrived and I think it…"
Oct 4, 2016
mocart replied to Gustavo Guevara's discussion Radiolink Pixhawk PIX Flight Controller
"hello, I`m newbie on this forum and my current configuration base on naza solution. I want to replace my naza by any open hardware based solution and now I looking for the best quality 2 price replacement. there is not so many posts and…"
Oct 4, 2016
Gustavo Guevara commented on Kristaps Brass's blog post UgCS 2.9 Update 1 Is Now Live
"This look great, will wait 2.10 to test my S1000 + A3 Pro + LB2 Thanks for the update!"
Sep 9, 2016
Gustavo Guevara commented on Kristaps Brass's blog post UgCS 2.9 Update 1 Is Now Live
"This version support A3 Pro? if not when you have plans to integrate?"
Sep 1, 2016

Profile Information

Please tell us a bit about your UAV interest
Drones for DEM
Hometown:
Bogota

Comment Wall (5 comments)

At 8:10am on July 15, 2015, John Rankin said…

Hi Gustavo,

Sorry to hear that you are also having issues.  After over two years I have finally settled with Lehmann.  He gave me back 60% of the cost of the planes and allowed me to keep the equipment.  The planes are really nice and fly great but the firmware on the plane or the software and mission planning just would not take correct photography for ortho missions.  The missions would end and I would only get about 50% of the photos I needed.  I would imagine that he has corrected those issues by this point.  What was the problem with the one plane that you received?

At 5:02pm on July 22, 2015, John Rankin said…

Hello again Gustavo,

 

It took me two years to resolve my issues with Lehmann.  I never did get a working system I got 60% of my money back and kept the systems.  Not that the systems are any good to me as they do not work and I cannot use them for anything other than hanging on the wall.

Once again the planes themselves are great but all peripheral software and systems are absolutely horrific.  We never managed to get them to work.

 

Lehmann had me send my systems back to him twice at a cost close to $1000 for shipping and handling.  Then there are the issues with French customs.  They stop everything going in and demand that duty be paid on the package.  If you send it back to Lehmann make sure that all of your packing slips are in order or French customs will screw you.  It took me months to get my systems to Lehmann and back to me.  And when I did get them back they never did work.

 

I wish you the best of luck.  You are going to need it.

 

Cheers

 

John

 

At 6:49am on August 25, 2015, José Jáuregui said…

Hola Gustavo, buen día.

Soy José de Argentina y recientemente compré un LA-300 de Lehmann Aviation. Hasta ahora lo probé y una de las alas tiene una falla en los alerones por lo que no anda. 

El resto pareciera funcionar bien, se conecta al Operation Center y lee los parámetros del avión. Este jueves pienso hacer el primer vuelo, así que allí tendré más evidencias del funcionamiento de este equipo.

Estoy algo preocupado al leer estos comentarios de gente que tuvo problemas con Lehmann. Hasta ahora Benjamin se ha portado muy bien y se comprometió a enviarme el ala que funciona mal sin costo alguno. Lo que más me preocupa es que no he visto nadie que lo utilice para agricultura y eso que comentan de que más del 50% de las fotos no servían es realmente un problema serio...

Te dejo mi correo porque me interesa estar en contacto con otros compradores de esta empresa para compartir las opiniones. agdronargentina@hotmail.com

Saludos,

José

At 12:42pm on August 25, 2015, Gustavo Guevara said…

Hola José, en un principio estuve preocupado porque las entregas tomaron mas tiempo del prometido, Benjamin respondio sobre una alta demanda y que se le demoraron ciertos pedido, el primero que llegó tuvo una falla en el firmware pero inmediatamente me lo reemplazo, ya me llegaron casi todos los equipos, los hemos probado y el resultado ha sido muy bueno.

Efectivamente el tema de las fotos puede mejorar, la ventaja es que los programas de procesamiento ya aceptan muchas fotos oblicuas por lo que es manejable, se debe tener una muy buena planeacion del vuelo y si es el caso repetirlo con vuelos cruzados.

Yo he trabajado mas de 4 años con el SwingletCAM de senseFly, que a pesar de ser muy bueno tambien, se debe tener mucho cuidado con las fotos, un gran porcentaje del exito es la planeacion del vuelo y validar en campo la calidad de estas y si es posible volar cruzado a diferetne altura para tener un mejor cubrimiento y calidad del DEM.

No he tenido la posibilidad de hacer un proyecto que ya tenga calculado con otro equipo para comparar, el tema que la camara no tenga el disparo conectado directo al autopilot puede generar cierta diferencia en el resultado, pero poniendo puntos de control con targets esto se puede solucionar.

Mi opinion personal, comparando con otros equipos de 4 marcas diferente que he usado, me parece la mejor relacion precio-beneficio, lo que mejor me parece es que usted pueda cambiar el ala, en otros equipos cualquier daño en el ala debe enviar de regreso a la fabrica todo el equipo y sale costoso, con los de Lehmann puede tener alas de repuesto y no preocuparse por los daños que llegue a tener al ala.

Cualquier duda que tenga al respecto con gusto le puedo dar recomendaciones para que el uso del equipo sea lo mas adecuado.

Cordial saludo,

Gustavo

At 9:09pm on October 25, 2017, ALEXANDER LOPEZ GONZALES said…
Hello Gustavo. 
I am new to the forum and looking for the solution of connecting the sony A6000 camera to the drone LA500 - RTK from Lehmann.
Apparently you could take photos with this drone.
Could you tell me how to take photos from the air with this camera?
I thank you in advance.

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