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Gareth replied to James Small's discussion 2.9.1b arducopter quad that climbs rapidly when alt-hold mode engaged
"Yes, insufficient vibration isolation between quad and FC. Mounted it on ear plugs"
Mar 25, 2017
Gareth commented on Paul's blog post Drone-maker 3D Robotics cuts jobs, refocuses on corporate market.
"I second Randy's comments. Redundancies are soul destroying but the staff sound very skilled so I hope they find new jobs quickly"
Mar 25, 2016
Gareth posted a blog post
If you've been out racing, or used cleanflight, you've probably heard of the iLap racing transponders.  These racing transponders allow racers to be timed around the track using infra-red.The open source community has begun producing free lap timing…
Mar 8, 2016
Gareth replied to Andy Little's discussion OSD with vector graphics compatible with MinimOSD

Really interested in this project! Been thinking about doing the same thing with an stm32 board I'd made but you've beaten me to it!

I'm actually based in Portsmouth.. You seem near?"
Feb 21, 2016
Gareth commented on Randy's blog post Copter-3.3 released!
"Thanks @Randy, the log file is here: http://ardupilot.com/forum/viewtopic.php?f=111&t=13795#p37863

Any help appreciated."
Oct 9, 2015
Gareth commented on Randy's blog post Copter-3.3 released!
"Any chance of someone looking at my logs on the forum as to why I can't accel calibrate in 3.3. Otherwise I'm stuck on 3.2.1.

Many thanks
Oct 9, 2015
Gareth replied to Randy's discussion Copter-3.3 beta testing
"Anyone able to advise on this?"
Aug 4, 2015
Gareth replied to Randy's discussion Copter-3.3 beta testing

My pixhawk accel calibrates fine on 3.2 but refuses on 3.3rc8.  Could this be linked to the acceleration sensitivity being increased?

Aug 2, 2015
Gareth posted a discussion
HiMy pixhawk calibrates the accels fine on 3.2 but fails on 3.3-rc8.  I note in the release logs that the sensitivity was increased to 16g - could this be related?  Were the tolerances also updated?Many thanksGareth
Aug 1, 2015
Gareth replied to Randy's discussion Copter-3.3 beta testing
"Hah - I've just ordered a pixhawk because I thought my board was going bad because I couldn't get into the cli (and had a few other intermittent connectivity issues which now appear unrelated!)."
Jul 27, 2015
Gareth replied to Brian Leu's discussion Compiling with make (avr-gcc flags?)
"Did you solve this? I'm in same boat."
Nov 16, 2013
Gareth replied to CensoredUser ExWikiNinja aka KF's discussion APM2 repair options (fried APM2 board)
I might be able to repair this for you - I'm based in the UK.  Although obviously I'd charge for it - if its just a single component then 20 EUR plus postage (probably around 5EUR) and parts (diodes are less than 1EUR, voltage reg about…"
Sep 24, 2013
Gareth commented on Gareth's blog post AC3.1 Performance and Custom LEDs
"Thanks for the info Randy.  That'd be quite a useful tool - it might also be useful to collect data on GPS 'glitches' and see what filter might eliminate the sudden fly aways.
Aug 24, 2013
Gareth posted a blog post
I thought I'd share the following video with you.  After spending several months trying to replicate the rock solid loiter videos, I've finally suceeded - and the only thing that I needed to do (other than vibration dampening) was to raise the GPS…
Aug 23, 2013
Gareth replied to Roberto's discussion [VIDEO] 2 Different multirotors crash on first flight

You'll be wasting your money splashing out for a NAZA without fixing this problem - you'll have the same thing happen.  I've been plagued with fall out of the sky failures over the last few months - it was a bad solder joint (in fact,…"
Aug 23, 2013
Gareth replied to Hugues's discussion Optimize your vibration levels with unsuspected technique (thx Forrest Frantz for that) in ArduCopter User Group
Forrest said: "On the 50Hz (it actually varies, but that's a knit).  The wiki recommends 30 seconds of stable hover because it is a sample (if you are curious as to why sampling works, I can point you to many science journals on this topic).…"
Aug 3, 2013