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Brent's Discussions

Super Simple Gimbal

Started this discussion. Last reply by Robert Knudsen Nov 16, 2013. 34 Replies

This was posted over at RCG, the OP crezzee was not not interested in starting another discussion here but I think he came up with a…Continue

erratic gyro indication

Started this discussion. Last reply by Brent Sep 17, 2011. 1 Reply

I had a problem with my APM today, specifically a tumbling erratic attitude indication in the MP flight data page. When I looked at the gyro logs in test it showed all 0's. This is the second time I…Continue


Brent's Page

Latest Activity

Brent commented on Monroe Lee King Jr.'s blog post The Coanda Effect and a cool UAV using it.
"Tim, hold a piece of paper in front of your face and blow across the top of it. What direction does the paper move and why? If you changed the direction of the airflow at the bottom you would still have lift but it will not be enough to fly."
Brent commented on Chris Anderson's blog post Ohio drone user charged for obstructing an accident scene
"Why would somebody think that was a good idea? Maybe he is a member and will give his side to the story."
Apr 15
Brent commented on Chris Anderson's blog post Glider pilot surprised by drone in thermal
"How about the 100KM badge? are those guys noobs also?"
Feb 25
Brent commented on Chris Anderson's blog post Glider pilot surprised by drone in thermal
Feb 25
Brent replied to Will's discussion I'm a cop and need help making a drone, as well as some info
"Time and money would be better spent on a Deputy and dog. Unless your looking for Tickels still?"
Feb 22
Brent commented on Emery c. Chandler's blog post Chinese man makes what out of what?!
"Several years old, I would like to see current status."
Feb 22
Brent commented on moglos's blog post Anatomy of a 100km attempt
"Maja is just not a nice clean airframe, reminds of a C-130 cargo plane. On the positive side it should have lots of room for batteries. You might even to be able to strap one under each wing next to the fuselage, I've seen this done on EZ stars…"
Dec 14, 2013
Brent replied to victor's discussion 3D radio No heatbeat packets received
" A similar issue came up on RCG's you might give it a try."
Nov 30, 2013
Brent replied to Cini's discussion mission planner
Nov 30, 2013
Brent commented on Tissy's blog post DroidPlanner Telemetry Bluetooth Bridge
"What's the range. I think it would nice to put the module up on a twenty foot mast for good reception."
Nov 28, 2013
Brent commented on Gary Mortimer's blog post AscTec and E-volo VC 200 takes flight.
"Nice, but I'd be really impressed if a pilot climbed in it and flew it out the hanger door for a trip around the field. Why not?"
Nov 22, 2013
Robert Knudsen replied to Brent's discussion Super Simple Gimbal
"Good show! I'm uploading your code and I'll test it as soon as the weather clears up :)"
Nov 16, 2013
Rikard Andersson replied to Brent's discussion Super Simple Gimbal
"Hi.   I created a simpel super mix in the AP_Mount.cpp file. I don´t know if it´s the right way to go, but i use it on my Tricopter and it work okey.   Open  AP_Mount.cpp file and changes the move servo lines to…"
Nov 15, 2013
Zidlov replied to Brent's discussion Super Simple Gimbal
"Strange that no one replied since alkost a year to this. I'd be interested to test your code for gimbal mix on apm, if it's still working with the latest 3.1.05Beta."
Nov 14, 2013
Brent replied to jvmolo's discussion Not connecting in flight data mode
Nov 4, 2013
Brent commented on elad orbach's blog post Crowdfund A Collapsible RC Tricopter
"It's a solid tried and proven design, you just need to loose the metal. Every gram is robbing flight time. Replace it with carbon and use nylon hardware. Also that stock Turnigy rx does not handle failsafe last time I checked so that could be…"
Nov 2, 2013

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Bixler mod.

Posted on August 24, 2012 at 1:35pm 6 Comments

I found it necessary to stretch the Bixler fuselage 2" in order to accommodate the wire bundle that comes out of the APM 1 while using the electronics…


Comment Wall (2 comments)

At 8:24am on August 22, 2011,
John Church

Hi Brent,

Yes, I'm currently using apc220 pairs for both Ardupilot Mission Planner and a hardware-based GCS at 19200Kbps with success. Where are you stuck? If you can get the PC to recognize and configure the modems, we should be able to get your link up and running.

Let me know what's up,


At 9:23am on August 22, 2011,
John Church

Hi Brent,

Yes, please do set both serial and RF to 19200. Also, in APM_Config.h , add the line #define SERIAL3_BAUD 19200

Give that a shot and let me know!

Good luck!



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