Mark Slater
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  • Gtr Manchester
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Would someone take a look at my logs please

Started this discussion. Last reply by Ben Jun 10. 1 Reply

No problems in flight to mention but got a strange problem on the gimbal (nothing to do with the Pixhawk).whilst looking at the logs I noticed more vibration than normal (at least from what I can…Continue

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

 

Mark Slater's Page

Latest Activity

Ben replied to Mark Slater's discussion Would someone take a look at my logs please
"Have you tried recalibrating your brushless gimbal controller down on the P setting? I know if the P is too high it can caus those vibrations. From your flight controller the IMU looks fine, also how are you powering your bgc board? straight from…"
Jun 10
Mark Slater replied to Chuck Spaulding's discussion Pixhawk Flyaway
"Ok, the title is a little mis-leading, its not a flyaway. But that might be flyaway prevention that landed it. I'll stick my neck out and suggest you have EKF turned on and that was an EKF failsafe."
Jun 1
Mark Slater replied to Daniele's discussion Mission Planner Pixhawk Accelerometer Calibration
"Its not there for pixhawk any more, just click calibrate and follow the instructions."
Jun 1
Mark Slater posted a discussion

Would someone take a look at my logs please

No problems in flight to mention but got a strange problem on the gimbal (nothing to do with the Pixhawk).whilst looking at the logs I noticed more vibration than normal (at least from what I can remember) The soundtrack on the camera also makes me think one of the motors may be noisey or have a bad bearing.Video from the camera is here - you can see vibrations wandering down into the gimbal - even through 2 sets of vibration dampening.  Some odd reaction around the 1:45 time.  It as a little…See More
May 31
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

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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