Richard Evans
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  • Schertz, TX
  • United States
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Battery failsafe issue

Started this discussion. Last reply by Nico D on Saturday. 1 Reply

I am getting very short flights on my recently built quad with a Pixhawk. I am using 3s 5100 MAH 35C (fairly new) packs.  The failsafe is left at the 10.4 voltage level set as the trip point to go…Continue

GPs Issues

Started this discussion. Last reply by Richard Evans on Friday. 7 Replies

It seems that I have a chronic problem getting the GPS to lock in. Often when powering up with the PIxhawk, I get hdop 100 and 0 satellites. After waiting anywhere from 3 to 10 minutes, It may or may…Continue

Getting the PIDS right on a heavy copter

Started Mar 17 0 Replies

My Initial Factory settings:…Continue

Tags: PIDS, 6s

Questions about creating Missions with Mission Planner

Started this discussion. Last reply by Richard Evans Sep 2, 2013. 8 Replies

I am ready to try a mission using my Arducopter Quad with the APM2.5. In Mission Planner  I have set a circuit of events, from a takeoff from home, then on to 7 waypoints with the appropriate…Continue

 

Richard Evans's Page

Latest Activity

Nico D replied to Richard Evans's discussion Battery failsafe issue
"Have you calibrated the 3DR power module? You should go through and get the voltage and current tweaked, fixed my original 3dr PM issues. Check this…"
Saturday
Richard Evans replied to Randy's discussion ArduCopter-3.2 beta testing
"I loaded 3.2rc5 on my pixhawk.  for an airframe I am using a QAV 400, This is  3S setup (30C 5100 MAH).  It has a Tarot 2D, MinumOSD, 1.58 GHZ vxmitter, size, weight and power equivalent to a 3DR Arducopter Quad. I was very interested…"
Saturday
Richard Evans posted a discussion

Battery failsafe issue

I am getting very short flights on my recently built quad with a Pixhawk. I am using 3s 5100 MAH 35C (fairly new) packs.  The failsafe is left at the 10.4 voltage level set as the trip point to go into failsafe. in flight with the full electronic load, the motors, the Video Xmitter, the telemetry radio, the receiver and the OSD and Pixhawk, the current peaks around 30 amps, and varies somewhat during the short flight.  II land when I start hearing the failsafe tone, and when I go to charge the…See More
Friday
Richard Evans replied to Richard Evans's discussion GPs Issues
"I did find that the location of the GPS/compass was the problem.  I moved it to a "Tower" that elevated it about 6 inches, and moved it to behind the AP, further from the Antenna for the video transmitter. It now immediately acquires…"
Friday
Charles K Taylor replied to Richard Evans's discussion GPs Issues
"It is definitely possible the video tx is interfering with GPS since L1 GPS is 1575mhz, not to far from 1258. Try killing the power to the transmitter and see if GPS improves. I had a 2w on 1258 over a foot away and it still severely impacted GPS."
Friday
Richard Evans replied to Richard Evans's discussion GPs Issues
"I will give that a try, on both my quads I have the GPS/Compass in front of the Pixhawk, then in front go the GPS/Compass is my Video Xmitter (1.258 GHZ)   I have been wondering about that. RE "
Friday
Charles K Taylor replied to Richard Evans's discussion GPs Issues
"Depending on your configuration it could be interference from your setup.  Mount the GPS up and away from the body.  I had the same issues until I shielding the plate my GPS mounts on with copper tape."
Friday
Richard Evans replied to Richard Evans's discussion GPs Issues
"Well, some success I finally got the 3.2rc5 to load, I just kept trying to upload, and it failed three times, each time the progress bar went part of the way, finally the 4th time it went all the way.  Now I will have to get outdoors to try to…"
Thursday
Richard Evans replied to Richard Evans's discussion GPs Issues
"Thanks, I'll give that a shot.   That is a great suggestion.   Do you have any ideas about the GPS issue?  , I have two Pixhawks and both seem to have flacky GPS performance. sometimes I power up and they work fine, but often,…"
Thursday

Admin
Thomas J Coyle III replied to Richard Evans's discussion GPs Issues
"@Richard, You might try using a powered USB Hub as some PCs/Laptops do not supply enough current for a full up Pixhawk configuration. Regards, TCIII AVD "
Thursday
Richard Evans posted a discussion

GPs Issues

It seems that I have a chronic problem getting the GPS to lock in. Often when powering up with the PIxhawk, I get hdop 100 and 0 satellites. After waiting anywhere from 3 to 10 minutes, It may or may not begin working and I get a 3D fix. sometimes I just give up because It seems to be totally dead other than seeing the the red LED is lit.I have tried another Compas/GPS module, but the same thing happens.  I am using 1.58GB video, 1000 mw.   Could it be overdriving the GPS?I am using the…See More
Thursday
Richard Evans posted a status
"I cannot seem to load 3.2rc5.. What am i doing wrong? I had no problem loading 3.1, but when loading 3.2rc5 it times out randomly."
Wednesday
Richard Evans posted a video

Bert is introduced to the Invertix by Bobby!

Bert and Bobby go for a ride on Bert's plane and Bert is introduced to the new Invertix quad!
Jul 9
Arunabha Bhattacharya commented on Richard Evans's video
Jul 7
Richard Evans commented on Richard Evans's video
Thumbnail

QAV-PIX-TEST

"It might have been something similar.. I found a crack in one of the aluminum arms. This would have allowed the motor to vibrate..  I am in the process of replacing arms.. What a PIA! Thanks"
Jul 7
Arunabha Bhattacharya commented on Richard Evans's video
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QAV-PIX-TEST

"What's causing the noise? Maybe something's vibrating? Motor, mount perhaps? It used to happen on my talon tricopter, an entire motor used to vibrate and make similar noise. I had used zipties to fasten them and had put in a layer of gyro…"
Jul 1

Profile Information

About Me:
Long time RC'r and FPV'r
Live in Texas, grew up in Florida, I'm also an EDF enthusiast with lots of EDF aircraft and many years of radio control experience.
Please tell us a bit about your UAV interest
I like the feeling of flying like a bird that you get when doing FPV. I guess it is a lot like flying a full scale aircraft. I also love how technical and complex our "birds' are Not for everybody for sure!
Hometown:
smalltown, Texas

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Richard Evans's Blog

Working on endurance options

Posted on January 18, 2014 at 6:30pm 21 Comments

I've been working on getting a better range and endurance. This QAV-540 weighs 5.5 lb's and I just flew it for 18 minutes today. Previously 16 minutes was my record, the change is that I went up one inch in prop size. This is not stripped down for endurance, I want something that will fly a long time…

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Some FPV (Cockpit View)

Posted on December 13, 2013 at 3:00pm 4 Comments

!

This is just run of the mill FPV flying, but I enjoy reviewing the fight for more than the visual perspective. Re-living the altitude, the roll and pitch, the rate of ascent and decent, the airspeed during the flight and the battery condition gives me a much fuller context than just viewing the HD video I was recording using my GoPro H3 Black.  Here is simple flyover of ready to be developed…

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Drones used in the Construction Industry

Posted on August 21, 2013 at 7:00pm 1 Comment

From the University of Texas in Austin, Texas, USA    

# note that there is a glimpse of architectural art piece in this video by James Turrell, Skyspace, 2013,  courtesy of Landmarks

I originally solicited other construction company users as to their ideas about using drones in the industry and to heat there experiences. This might not be the right venue for that, instead I got…

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Near miss at the beach

Posted on July 23, 2013 at 3:00pm 9 Comments

This weekend I took a couple of boys to the beach (family members) and wanted to get some video of them trying to surf and using a boogie board, (in some very poor surf conditions). Something unexpected happened, through the  low resolution of the goggles, I mistook some other kid and hovered up close.  As he turned to face me, I realized he wasn't the kid I was expecting and instead of a surfboard, he had a surf casting reel. He cast his lure at my…

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