Harry
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  • Clarksburg, MD
  • United States
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Harry's Discussions

Artificial Horizon in processing 2.0

Started this discussion. Last reply by Harry Jan 14. 6 Replies

Using Quaternions

Started this discussion. Last reply by Harry Sep 30, 2013. 3 Replies

Arducopter 2.9.1b and MP 1.2.46

Started this discussion. Last reply by Harry May 17, 2013. 5 Replies

Harry's Groups

 

Harry's Page

Latest Activity

Harry commented on Greg Nuspel's blog post Coaxial without swash plate
"Aaron, good explanation of where they need the pitch change and how speeding up and slowing down gets the blade to pitch.  Any idea how they know the location of the blade?   Tiziano, si, fewer motors is molto bene."
Tuesday
Harry commented on Greg Nuspel's blog post Coaxial without swash plate
"I also went to the site and still have a little trouble understanding how they control it.  The blades are hinged at an angle which means it will pitch as it swivels on the hinge - I get that part just looking at it.  To control the pitch…"
Monday
Harry commented on Chris Anderson's blog post Reverse-engineering the Hubsan/Estes nanoquad radio
"Some of "We" are becoming nerds.  I'm still playing with the original 328 based Ardupilot and haven't added a single improvement.  Oh well.  If you are what you eat, are you also what you hack?"
Dec 10
Harry commented on Trent at MyGeekShow's blog post USA Trip - Day 5 - The End
"The gremlin in the loop was serious that time.  The analysis ought to be very interesting."
Dec 6
Harry commented on Simon D. Levy's blog post The Extended Kalman Filter: An Interactive Tutorial
"I had a hard enough time understanding DCM and then Quaternions, but I did eventually understand enough to work with it and diagnose and correct problems in code.  If your tutorial can teach me, then it will be a success so keep it coming.."
Dec 5
Harry commented on Trent at MyGeekShow's blog post USA Trip - Day 4 - The Longest Day
"Murphy took a break and let the MP bugs get some flight time.  So far it's an epic struggle."
Dec 5
Harry commented on Riccardo Kuebler's blog post New materials to build moulded planes
"I've dreamed of making a molded plane from pulp.  It's good enough for eggs and electronics, so why not a small RC plane. Ever try to crush an egg carton?"
Dec 4
Harry commented on Trent at MyGeekShow's blog post USA Trip - Day 3 - First Flight!
"Murphy is always on board!"
Dec 4
Harry commented on Riccardo Kuebler's blog post New materials to build moulded planes
"There was a disposable drop tank in WWII made out of shredded paper and glue.  It held up long enough to fly a mission and drop it when empty.  It was way cheap compared to scarce metal.  I've done some experimenting with…"
Dec 3
Harry commented on Visual Micro's blog post New - Microsoft Visual Studio 2013 Community Edition (free)
"I couldn't get it to work with Atmel Studio, so I uninstalled that and installed Visual Studio and then Visual Micro.  It took hours but it works great.  I even built and uploaded."
Dec 2
Harry replied to Arthur Bayerlein's discussion Controlling APM using PWM signals from another Arduino
"That shouldn't be too hard, ha ha.  I mess around with code and do things I shouldn't if I had any sense.  Consider that a disclaimer for what I say, but I'd take a look at multiwii or even code for a PPM converter for…"
Nov 29
Harry commented on Patrick Egan's blog post Podcast Interview With Tad McGeer
"Good one, Patrick.   I watch Wicked Tuna and see that one harpoon boat working with a 172 and I say all he needs is someone onboard flying FPV and talking over a walkietalkie to the harpoon guy out on the bow sprit."
Nov 5
Harry commented on Patrick Egan's blog post Looking For A More Commercial Focus To Your UAS Advocacy Effort?
"Lets see if I got that right, the government rules my life, I spend all my time complaining and there's a troll in the mirror.  Got it.    "
Nov 1
Harry commented on Patrick Egan's blog post Looking For A More Commercial Focus To Your UAS Advocacy Effort?
"I'm just curious which brand of crony-facism does RM desire, CorporoFacism or the DemocraFacism.    "
Nov 1
Harry commented on Patrick Egan's blog post Looking For A More Commercial Focus To Your UAS Advocacy Effort?
"Government always wants more money and always claims it can't do what only it should do.  Being in the business of limiting freedom on a huge scale earns them every criticism they get.  "
Nov 1
Harry commented on Joshua's blog post A reminder to double and triple check your products (exploded ESCs)
"The worst is when you Measure twice, three times and it was wrong each time.  Damn."
Nov 1

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Harry's Blog

Flying my ArduIMU in tri_chord space

Posted on February 5, 2014 at 6:00pm 0 Comments

I haven't flown much of anything because of the weather, so I decided to see if I could do something different with my ArduIMU.  I decided that if I could get a MIDI port to read the IMU, I might be able to make music.

I used a VBscript to read the serial port and send pitch data from the ArduIMU to a slot.  I then used a MIDI program to record the…

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The Next Sensor was Invented by Vikings

Posted on March 11, 2013 at 4:00am 2 Comments

There have been discussions before calling for reliable and accurate alternatives to GPS. The Vikings may have had the answer without knowing the physics. They were adept navigators at latitudes where frequent cloudiness and low sun angle(winter) could have made direct observation of the sun difficult. Legend has it that they had a magic stone, called a…

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My Ardupilot(legacy) Platform

Posted on May 24, 2012 at 8:41am 8 Comments

Here's the plane I will install my Arduimu and Ardupilot(legacy) into.  I still need to build a motor mount and wind the motor.  It should be stable as it is based on a previous version which was very stable.  I'm aiming for 10-12 ounces AUW and around…

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