Ervine Lin
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Can compass be compromised by external factors during flight?

Started this discussion. Last reply by Ervine Lin Oct 15, 2012. 4 Replies

Hi guys,(Posted this as a reply in another thread but I wanted to ask specifically about the compass)Last week I had a really scary crash, my quad was running in autopilot and suddenly decided to…Continue

Anyone been able to stabalise a Canon S100 before?

Started this discussion. Last reply by Haidar Abu Bakar Oct 26, 2012. 24 Replies

Hi guys,I'm trying to use a Canon S100 on my quadcopter (DJI 450 stock with APM2). (It's the only camera I have that is light enough, also I wanted to have the GPS capabilities inbuilt)I don't need…Continue

How to know if ESCs are faulty?

Started this discussion. Last reply by Ervine Lin Sep 18, 2012. 1 Reply

Hi guys,I crashed my quad today, it flipped over on some fine sand and for some reason the motors didn't stop turning and kicked up a whole lot of sand all over the quad. This lasted for a minute or…Continue

Quad drops alt at random on Auto...

Started this discussion. Last reply by Ervine Lin Sep 1, 2012. 14 Replies

Hi guys,I had quite a scare today, I was testing out my quad on auto, I've done this before but this time I added more waypoints and differences in altitude for the waypoints.Everything was going…Continue

Tags: mode, altitude, drop, auto, crash

 

Ervine Lin's Page

Latest Activity

Haidar Abu Bakar replied to Ervine Lin's discussion Anyone been able to stabalise a Canon S100 before?
"You can get better rates if your file size is smaller.    "
Oct 26, 2012
Ervine Lin replied to Richard Boyhan's discussion Change Yaw in Flight or at a Waypoint
"Thanks! This can be quite useful. Just wanted to clarify, do you know if the yaw will remain when the quad will flies to the next waypoint? (So the quad flies sideways or backwards) Or does it just turn at the waypoint itself? Also, to what…"
Oct 23, 2012
Ervine Lin replied to Dave Whittington's discussion How do you get Mission Planner to startup with the Flight Data windows in the position that you last shutdown
"Yes please tell me there is a fix for this! While I appreciate being able to rearrange the windows, everytime I place everything nicely the new layout isn't saved. Very vexing!"
Oct 16, 2012
Ervine Lin replied to Ervine Lin's discussion Can compass be compromised by external factors during flight?
"Compass offsets in the tlog? Okay let me go see if I can make sense of it. I just took the repaired quad out to my usual flying field today and it flew just perfectly. Auto, alt hold, stab, loiter, everything worked as it should have. Rock steady…"
Oct 15, 2012

Developer
Jani Hirvinen replied to Ervine Lin's discussion Can compass be compromised by external factors during flight?
"yes that iron rich area can be a far-fetched but it is possible. Is that reason in here, most likely not. It might be a some strange software bug or something else. If you have mission planner logs, check compass offsets on the time when it…"
Oct 15, 2012
Ervine Lin replied to Ervine Lin's discussion Can compass be compromised by external factors during flight?
"I doubt I was anywhere near any iron rich areas. I was near small satellite dishes and household TV antennae but I'm not sure if this could have affected it. Yes it was the first time flying in this area, I tested the quad multiple…"
Oct 15, 2012

Developer
Jani Hirvinen replied to Ervine Lin's discussion Can compass be compromised by external factors during flight?
"It is possible to have external forces that will affect your compass. This can happen especially close to mountain areas and other massive Iron rich areas. There are several areas in world that you can have sudden 90 degree error on your compass…"
Oct 15, 2012
Ervine Lin posted a discussion

Can compass be compromised by external factors during flight?

Hi guys,(Posted this as a reply in another thread but I wanted to ask specifically about the compass)Last week I had a really scary crash, my quad was running in autopilot and suddenly decided to take it's own route. Within seconds and before I could react, it was completely off course and out of line of site.As a last resort I activated the RTL failsafe and surprisingly the quad made it back but it was flying backwards, unfortunately it fell out of the sky before I could land it…See More
Oct 15, 2012
Ervine Lin replied to Fête Mobile's discussion RTL Error - Drone Flies Away at High Speed Instead of Returning
"This looks familiar, although in my case my quad was running in autopilot and suddenly decided to take it's own route. Within seconds and before I could react, it was completely off course and out of line of site. As a last resort I activated…"
Oct 15, 2012
brakar replied to Ervine Lin's discussion Anyone been able to stabalise a Canon S100 before?
"There are probably a few which might work:…"
Oct 7, 2012
Bill Salopek replied to Ervine Lin's discussion Anyone been able to stabalise a Canon S100 before?
"Is there another, besides interval, that might work? Thanks..."
Oct 7, 2012
Bill Salopek replied to Ervine Lin's discussion Anyone been able to stabalise a Canon S100 before?
"The ones I could find...I am using the "interval" script."
Oct 7, 2012
brakar replied to Ervine Lin's discussion Anyone been able to stabalise a Canon S100 before?
"I guess You allready have experimented with the different shooting modes: http://chdk.wikia.com/wiki/USB_Remote"
Oct 7, 2012
Bill Salopek replied to Ervine Lin's discussion Anyone been able to stabalise a Canon S100 before?
"OK...well I received today from Amazon what I think is the fastest non SDHC card available, it's the SanDisk Ultra II SD Plus 2GB Card. I ran the test again and still got between 1.2 and 1.3 frames per second on my ancient Canon…"
Oct 6, 2012
Ervine Lin commented on Kur's blog post Sonar ALT_Hold Issue
"Just to clarify, where exactly is earth on the APM2 board? Just any negative pin or is there a particular place to earth it?"
Oct 2, 2012
Bill Salopek replied to Ervine Lin's discussion Anyone been able to stabalise a Canon S100 before?
"Wow...thanks for that...looks like the card I am looking at does do a good job."
Sep 27, 2012

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