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Interest: Scale aircraft, Electronics, Engineering, Gas Turbines


Please tell us a bit about your UAV interest

Interested in (amateur) guidance systems, computer control etc.


Activity Feed

Peter Chaffe replied to Peter Chaffe's discussion flightPlan > waypoint data not dispalying properly
"Just add a waypoint and the bottom will open to the right; then delete the extra waypoint.

Yes I was doing that but it was cured in the latest update!

I don't want MP to auto update; when I want to I can do it myself.
Also agree that there should…"
Feb 6, 2015
Peter Chaffe replied to Peter Chaffe's discussion flightPlan > waypoint data not dispalying properly
"Ok a dirty way to remove the airport circles! Find airports.dat file, delete the contents and save, job done!"
Feb 4, 2015
Peter Chaffe replied to Peter Chaffe's discussion Yaw compass drift pixhawk, 3.2 fw
"Here is the last files from a vibration test, ie hover in stabilize mode.
Vib levels within tolerance
Have recalibrated compass, is reading correctly in MP
No trims on tx, nothing changed (that I'm aware of) since good previous flights few days ago.…"
Feb 3, 2015
Peter Chaffe posted a discussion
Flying quad fine until yesterday!Compass is calibrated and working correctly!In stabilize mode can manually yaw fine! stop manually maintaining a heading and the quad slowly yaws (turns). Obviously it also effects alt hold and loiter, to make them…
Feb 3, 2015
Peter Chaffe replied to Peter Chaffe's discussion flightPlan > waypoint data not dispalying properly
"Is anyone else having this airport problem?
Inability to switch off airport circles. Latest MP download"
Feb 3, 2015
Peter Chaffe replied to Tom Boutain's discussion Flight Plan Yellow Lines
"I don't think its documented but I believe it means that the dotted lines don't have a true waypoint at one end, in the case of a mission the dotted lines connect the first and last waypoint to the home location"
Feb 1, 2015
Peter Chaffe replied to Peter Chaffe's discussion flightPlan > waypoint data not dispalying properly
"Michael, Installed the new update! those damn airport circles are showing again, even though they are not enabled in the mp screen!"
Feb 1, 2015
Peter Chaffe replied to Peter Chaffe's discussion flightPlan > waypoint data not dispalying properly
"Thanks Michael!
That triggers another issue, that MP doesn't appear to be automatically looking for updates on start up! (like it used to) Is that a another problem, or has it been changed?"
Feb 1, 2015
Peter Chaffe posted a discussion
Mission Planner 1.3.16 build 1.1.5456.14788Flightplan screen > add some waypoints > open waypoint list at bottom. Result all data boxesds squashed to left hand side!Click the "Add Below" button and the text boxes stretch out and become…
Feb 1, 2015
Peter Chaffe replied to R. D. Starwalt's discussion APM2.5 5V/Vcc Schematic
"I don't think that it is voltage related anymore!
The apm is disarming after being armed for about 10 secs, some times unable to re-arm, have to do a reboot!

But if plugged into usb then works fine every time, thinking now its something to do with…"
Jan 14, 2015
Peter Chaffe replied to R. D. Starwalt's discussion APM2.5 5V/Vcc Schematic
"Have had chance since to test again with apm 2.6, apm 2.5, different esc's and it seems the cause is a bug in the 3.2 code! Loaded v2.9 worked fine, loaded v3.1 fine! 3.2 same old problem...

so currently running on v3.1

If I get time I will look…"
Jan 14, 2015
Peter Chaffe replied to R. D. Starwalt's discussion APM2.5 5V/Vcc Schematic
"Thanks for the reply Doug,With the PM supply only, JP1 not connected, mis behaves, I'd be inclined to say that something is receiving marginal voltage! Meanwhile voltage at the input pins is 4.8vNow add usb supply (I guess connecting this is ok…"
Dec 28, 2014
Peter Chaffe replied to R. D. Starwalt's discussion APM2.5 5V/Vcc Schematic
"I have this weird problem with apm 2.6 power supply related!These tests, Rx Connected to apm input rail, 3.2 FW, Quad config.1) 5v analogue ubec connected to apm output rail, JP1 in place, measured input rail 4.4vAll functions work, arms, motors run…"
Dec 27, 2014
Peter Chaffe replied to Peter Chaffe's discussion Circles on map in mp
"Well yes but some of them are outdated and displaying over extinct airfields, hence the reason for initially not realising what they were"
Aug 20, 2014
Peter Chaffe replied to Peter Chaffe's discussion Circles on map in mp
"Duh, show airports!
disable it in config..."
Aug 20, 2014
Peter Chaffe posted a discussion
Been away, just updated to latest mp, what are those shaded circles (discs) overlaid on the maps?They are not on google maps so must be overlaid by MP!How can I get rid of them?Thanks...
Aug 20, 2014
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