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Mark Harrison
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  • Oakland, CA
  • United States
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Mark Harrison's Discussions

Odd rise/descend behavior in loiter, alt hold modes

Started this discussion. Last reply by Jason R Jun 14. 3 Replies

The first time I fly, position holding is perfect in all axes.Subsequently (after I put it to another mode and return it to loiter [?]), the altitude does not hold.  When the stick is centered, it…Continue

PX4, not responding to stick movement commands?

Started Jul 6, 2013 0 Replies

I've verified using qgroundcontrol that the PX4 is getting radio input, and calibrated the sticks.  I can arm/disarm, and control throttle.But, no motion sticks (rud, ele, ail) seem to take effect.…Continue

PX4 + wifi?

Started Mar 4, 2013 0 Replies

Any easy way to interface a PX4 to wifi?Continue

Preparing some feedback on the Texas Drone Proposal, feedback solicited!

Started this discussion. Last reply by Grant Goldsmith Jul 15, 2013. 2 Replies

I've started an analysis and write-up of the legislation here:…Continue

 

Mark Harrison's Page

Latest Activity

MarioLucich commented on Mark Harrison's blog post Behind the scenes on the OK Go shoot
"Interview with Damian and Tim fro OK Go https://www.youtube.com/watch?v=WCwzaTPARtU"
17 hours ago
Ray Gamero commented on Mark Harrison's blog post Behind the scenes on the OK Go shoot
"I read that some of the sequences were double speed.  I can't imagine the rehearsal time and the 50-60 tries they had to do to get it right.   And we used to think that dancing on treadmills was cool."
Thursday
Oz commented on Mark Harrison's blog post Behind the scenes on the OK Go shoot
"you can see the shadow of the drone on the pavement very briefly at :59 seconds in and props aren’t spinning. It's on this dolly Last picture…"
Wednesday
Flying Buddha commented on Mark Harrison's blog post Behind the scenes on the OK Go shoot
"@Aaron Shaw I think your right. You can see the video shake (something is off the stabilzation) while on the ground."
Tuesday
TBD commented on Mark Harrison's blog post South Park to take on drone privacy
"All hail the media fearmongering machine."
Tuesday
Hugues commented on Mark Harrison's blog post Behind the scenes on the OK Go shoot
"Wow, love it!"
Tuesday
Aaron Shaw commented on Mark Harrison's blog post Behind the scenes on the OK Go shoot
"In one of the pictures it shows the octocopter on a dolly.  I would think they used the dolly for the indoor shots then launched once they were a ways outside."
Tuesday

Developer
Rob_Lefebvre commented on Mark Harrison's blog post Behind the scenes on the OK Go shoot
"Pretty cool video.  I'm curious how they started with the S1000 flying indoors, then moved outdoors, without any GPS problems.  "
Tuesday
Quadzimodo commented on Mark Harrison's blog post South Park to take on drone privacy
"Awesome!"
Tuesday

Moderator
Mark Harrison posted blog posts
Tuesday
Hein du Plessis commented on Mark Harrison's blog post Behind the scenes on the OK Go shoot
"Mind blown. It just can't be."
Tuesday

Moderator
Mark Harrison commented on Gary Mortimer's blog post No hiding behind AC 91-57 anymore
"Mathew krawczun, Pedals2Paddles, you've both made your points, now knock it off!"
Oct 11

Moderator
Mark Harrison commented on Jonathan Meringer's blog post Hobbyist Friendly, Autonomous Drone...
"The "rescue buoy" idea is really neat!"
Oct 9

Moderator
Mark Harrison replied to Jeffrey Scott Atkins's discussion Naza Fly Away
"Speaking from my own experience, APM is pretty good.  One nice feature is that if you experience weird problems, - you can grab a log file that documents the problem - there are lots of smart, helpful people that can look at the log file and…"
Oct 2
Karan Chawla commented on Mark Harrison's blog post Aerotestra Hugo Update
"Sorry about bringing back an old thread, but I've been doing some materials research and would like to know more about the manufacturing involved in making this quad, I'd be really thankful if someone could shed some light on the…"
Aug 31
Cliff-E commented on Mark Harrison's blog post Disney applies for three drone-related patents
"can't believe it took 18+ mos to this point and 1st flights back in '10. @Craig: thanks, we'll be talking soon... & to the 3DR team and APM devteam, keep up the excellent work guys... :) @monkeynutz: convincing a multibillion…"
Aug 24

Profile Information

About Me:
- working as software engineer, experienced programmer
- living in piedmont, ca
- moderate embedded programming and arduino coding experience
- email: mh@pixar.com feel free to drop me a line!
Please tell us a bit about your UAV interest
- interested in meeting east bay ardupilots
- started in RC places in Summer 2010
- blogging at http://eastbay-rc.com
- currently working on the Arcticopter project.
goal: multicopter AP platform for high-end DLSR, remote photoshoots
details: http://eastbay-rc.blogspot.com/search/label/arcticopter
Hometown:
Piedmont, CA

Mark Harrison's Photos

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Mark Harrison's Blog

South Park to take on drone privacy

Posted on October 28, 2014 at 1:32am 2 Comments

NEW YORK, October 27, 2014 – Graphic video from an unknown drone is uploaded on the internet on an all-new episode of South Park titled “The Magic…

Continue

Behind the scenes on the OK Go shoot

Posted on October 27, 2014 at 5:30pm 8 Comments

http://petapixel.com/2014/10/27/ok-gos-new-music-video-will-blow-mind-fancy-drone-camerawork/

"Brown reports that the entire video was done in one continuous shoot, and that it took 50 or 60 tries to get the final…

Continue

High Altitude Flight Prompts FAA Warning -- NitWit Phantom Owner Agrees to 400 ft Limit

Posted on July 5, 2014 at 9:00pm 4 Comments

Mayhew, in an interview conducted by email, said a user on an Internet forum reported him after seeing flight statistics online. One video by Mayhew says a drone reached an altitude of more than 3,600 feet.

“The local FAA office contacted me via certified letter. I responded by phone and had a good conversation with the front-line manager,” he…

Continue

Comment Wall (2 comments)

At 3:30pm on April 7, 2011, Anil Kumar. M said…
I've checked all the below and are correct.

- is the software configured for X and not + copter?
- is your "front" orientation correct on your board?
- is your board mounted right side up?
- do you have the CW and CCW props attached to the correct motors?

I've checked the manual from kkmulticopter and http://rcexplorer.se/page14/kkguide/kkguide/quad.html
At 6:53pm on July 15, 2012, Daniel Bard said…

Hey Mark, my name is Dan and I'm really new to R/C. I have some questions about the FS-TH9x remote.

First-  if i buy this remote can i use it on fix wing aircraft also?

second would you recommend it for some one like me?

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