Mark Slater
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  • Gtr Manchester
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Mark Slater's Discussions

3DR Export problems

Started this discussion. Last reply by Mark Slater May 7. 2 Replies

I was going to add to …Continue

Pixhawk Power module mod to sense 120A

Started this discussion. Last reply by Para May 18, 2014. 2 Replies

Without going to Attopilot and making custom cables is this a sound way to keep using my Pixhawk power module. I'm consistently going beyond the 60A max sensing. Could this be a solution ?Please see…Continue

Auto Tune on Large Octo

Started this discussion. Last reply by jfro May 10, 2014. 8 Replies

Auto tune worked great, much better than I expected. The only side effect is the difference in stick movements afterwards between stab mode and loiter/positionOtherwise pretty much perfectContinue

APM2.5 V3 no longer flying Octocopters

Started this discussion. Last reply by Mark Slater Oct 11, 2013. 4 Replies

I'm led to believe that V3.01 on an APM2.5 cannot fly octocopters in anything other than Stabalise/Alt Hold modes due to overload on the processor bringing the 50Hz loop down to around 5Hz.1. Is this…Continue

 

Mark Slater's Page

Latest Activity

Mark Slater replied to Gonzalo Garat's discussion APM 3.2 QUADCOPTER Err: EKF_CHECK-2 / Err: FAILSAFE_ EKF-1
"Wow - only the first part of my post appeared.... It should say - I think you need to tidy the cables first, they will tug on the pixhawk and cause vibrations "
May 7
Mark Slater replied to Mark Slater's discussion 3DR Export problems
"Any chance the license was for a year maybe ? In any case there's no UK stock anywhere, limited amount in Germany and my trusted dealer is returning my money and cancelling the order (his decision not mine) There's no way I'm…"
May 7
Joshua replied to Mark Slater's discussion 3DR Export problems
"Considering that it was only about a year ago that they went from having no license to obtaining a license, I doubt their situation has changed again already."
May 7
Mark Slater posted a discussion

3DR Export problems

I was going to add to http://diydrones.com/forum/topics/3drobotics-horrible-first-experience-with-ordering?id=705844%3ATopic%3A1977223&page=1#comments but the thread is closed..I'm now into the weeks of waiting for parts to arrive at my stockist in the UK There's a very big rumor that 3DR no longer have an export license - please  tell me this is…See More
May 7
Mark Slater replied to Gonzalo Garat's discussion APM 3.2 QUADCOPTER Err: EKF_CHECK-2 / Err: FAILSAFE_ EKF-1
"I think you need to do it the other"
May 7
Mark Slater replied to Gonzalo Garat's discussion APM 3.2 QUADCOPTER Err: EKF_CHECK-2 / Err: FAILSAFE_ EKF-1
"Looking at the logs there appears to be 4 problems that are consistent. 1. The log reports EKF - it should be saying DCM (firmware error) 2. Problems are with vibrations and building error - See vibration analysis in Mission Planner 3. Almost…"
May 6
Mark Slater replied to Gonzalo Garat's discussion APM 3.2 QUADCOPTER Err: EKF_CHECK-2 / Err: FAILSAFE_ EKF-1
"Opening Post"
May 6
Mark Slater replied to Gonzalo Garat's discussion APM 3.2 QUADCOPTER Err: EKF_CHECK-2 / Err: FAILSAFE_ EKF-1
"Balance your props should improve that greatly "
May 6
Mark Slater replied to Gonzalo Garat's discussion APM 3.2 QUADCOPTER Err: EKF_CHECK-2 / Err: FAILSAFE_ EKF-1
"Guys - I think I may have found the problem/bug - can you post a log each from the flight (please not the Tlog) the bin would be much better for what I'm looking at."
May 5
Mark Slater replied to Gonzalo Garat's discussion APM 3.2 QUADCOPTER Err: EKF_CHECK-2 / Err: FAILSAFE_ EKF-1
"I appear to be having the same problem - see also : http://ardupilot.com/forum/viewtopic.php?f=100&t=7872"
Apr 27
Mark Slater replied to Jimmy Mars's discussion Distance between motors on a quad with 11'' inch
"Ok thats a real good reply, the only thing I'd say here is leave a little extra distance on your first build - you are bound to want to try out 12" props. An old friend of mine once said there should be at lease half a prop distance…"
Jul 9, 2014
Mark Slater replied to Francois Robbertze's discussion Aggresive Stabilize Mode
"Yep I found this - yet it feels sluggish in loiter - right ? I countered by programming rates in the TX against the different flight modes - down to about 50% in Stab and upped it a bit in loiter to around 110%"
Jul 9, 2014
Mark Slater replied to Matt's discussion [Newbie] Stabilize mode question
"Its fairly normal, try to get of the ground a little quicker after arming and you'll probably see less movement on takeoff. ESC's are calibrated I hope"
Jun 30, 2014
Mark Slater replied to david hitchcock's discussion Pixhawk flip crash after 3.1.5 install
"You could do an Erase in CLI which will put all the defaults back so you can look at them, Save your current config first and re-load it after."
Jun 30, 2014
Para replied to Mark Slater's discussion Pixhawk Power module mod to sense 120A
"Attopilot 180A and a SBEC. I'd rather go with tested and trusted hardware for $30 extra, then risk a whole bird."
May 18, 2014
Andre K. replied to Mark Slater's discussion Pixhawk Power module mod to sense 120A
"no, that would need the two packs to have exacly same change, and discharge profile. Mpt realistic over time. It would "work" - but precision would be bad. you could even register negative current when pack to the left had a little higher…"
May 18, 2014

Profile Information

About Me:
I'm a heli flyer but getting into Quad/Hex in a big way. Been flying 3 years and work in the computer industry
Please tell us a bit about your UAV interest
I'm working with NHP to produce an all carbon Quad/Hex/Oct frame to be supplied with a fully configured Ardu
Hometown:
Altrincham

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