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Vikrant replied to Andrew Tridgell's discussion ArduPlane 2.73 released
"Hi Andrew,
Would it be possible to add a current based compass compensation functionality like in ArduCopter 3.0's compassmot?
https://www.youtube.com/watch?v=0vZoPZjqMI4
I have moved the APM in Skysurfer as much as I can but I still see some…"
Jul 10, 2013
Vikrant replied to Vikrant's discussion loiter debug - gains altitude rapidly when engaging loiter/alt hold in ArduCopter User Group
"Update: Much better alt-hold today when engaging alt-hold from a stable hover in a relatively wind free environment. The space was quite tight so I could not test Loiter.
I used AC3.0 rc4 which got published on Mission Planner today so that could…"
Jun 2, 2013
Vikrant posted a discussion in ArduCopter User Group
Hi,When I try to engage loiter or alt hold at about 3-4 meters above ground, the quad shoots up in the air as shown in the barometer altitude logs below. It does not drift too far out but gains about 20m of altitude immediately. There is medium wind…
May 31, 2013
Vikrant posted a discussion in ArduCopter User Group
Hi,After mounting the APM in a mounting pad from hobbyking I was able to get vibrations in the Z and the X axis to within +/- 5 and +/- 3 respectively (I applied small pieces of the pad on each corner of APM on the top and bottom and the APM sits…
May 29, 2013
Vikrant replied to Steve Monro's discussion Building 3DR hex-b and don't know about the connections in ArduCopter User Group
"The documentation here definitely needs a lot more work. I just finished completing my first Quad and I too stumbled on these things.
Here's one page which has bits and pieces of the answer about connecting the ESC/PDB signal wires to the APM…"
May 22, 2013
Vikrant left a comment on ArduCopter User Group
"Randy, Thanks for the update on 3.0 release.
When is the final release trending towards? I'm just a little hesitant to try a pre-release build."
May 21, 2013
Vikrant left a comment on ArduCopter User Group
"Just wondering when is the Arducopter 3.0 release scheduled?
From the git log I can see that 3.0rc2 milestone has already been reached."
May 17, 2013
Vikrant commented on Jonathan Hesselbarth's blog post ArduVTOL - Wingcopter - Flight Report Nr.1
"Very nice work indeed!
Does the glider mode give you more flight time than just quad hover?"
May 17, 2013
Vikrant commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC
"This is a very neat replacement for the whole mess of soldering the PDB and the ESC's which hang precariously on the arms of the quad and reduces the amount of wires significantly. I will try it out soon."
May 14, 2013
Vikrant commented on Josh Nacol's photo
"This is wonderful. What ducted fans are you using?
How are the flight characteristics and flight time?"
May 13, 2013
Vikrant replied to Vikrant's discussion Can the APM be flown on waypoints beyond the range of telemetry?
"u4eake,
Maybe the solution to really long distances is to use 2G/3G/4G telemetry? One of the phonedrone cards and a mobile phone sitting on the plane acting as a missions planner. I guess the SW is not there yet.

Vikrant"
May 8, 2013
Vikrant replied to Vikrant's discussion Can the APM be flown on waypoints beyond the range of telemetry?
"Yes, I do understand the risk of going beyond the range of telemetry control.
I just wanted to understand what are the limitations. No way am I going to try this now (I'm just getting started with APM), but maybe in the future :)"
May 7, 2013
Vikrant replied to Vikrant's discussion Can the APM be flown on waypoints beyond the range of telemetry?
"Thanks for your replies guys!

So if RTL is the last command of the mission (and GPS got the correct location for Home and there is enough battery for the mission and ...) it is ok to go out of the range of telemetry?"
May 7, 2013
Vikrant posted a discussion
Hi,Is it possible to upload the waypoint info to APM once at startup (using mission planner) and then let it complete the mission without (or beyond the range) of the telemetry system?I think it should be possible. I just cant find any documentation…
May 7, 2013
Vikrant replied to Vikrant's discussion cannot connect 3DR radio to Arduino Uno
"OK figured this out after reading about the basics of Serial communication here: https://learn.sparkfun.com/tutorials/serial-communication/all
I was connecting Serial Tx to Tx and Rx to Rx on the "Air module", which is wrong. Rather it should be Tx…"
Apr 18, 2013
Vikrant posted a discussion
Hi,I'm trying to connect the 3DR Radios to my Arduino Uno board to do wireless communication.My first example is a simple echo code which just echoes the data back. But the echo does not work. When I type something on the terminal I see the Tx (red…
Mar 16, 2013