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John Hestness's Groups

John Hestness's Discussions

Practical Experience with PID tuning

Started Jun 26, 2011 0 Replies

I am in the process of tuning an APM equipped Parkzone T-28.  I have tried the "Easystar default parameters" and found it just lackidaisically wandering around off course, and uncaring about its…Continue

Advice on using APM for ground vehicle?

Started this discussion. Last reply by Darren Mar 6, 2011. 10 Replies

Continue

DIYdrones search not working

Started this discussion. Last reply by Ken Jan 3, 2011. 2 Replies

It seems that the search function for the website is not working.Continue

Parkzone T-28 Trojan autopilot platform

Started this discussion. Last reply by Henk Jul 12, 2013. 7 Replies

I decided to use the Parkzone T-28 as the initial plane for my APM.  I picked it beacause it is a straight forward 4 channel foam plane that fits in my trunk assembled and it has a huge removable…Continue

Tags: Trojan, platform, Parkzone, T-28

 

John Hestness's Page

Latest Activity

John Hestness commented on ExitZero's blog post Micro Quadcopter for Christmas?
"I picked up one of these as well.  It flies very good and it has survived many crashes so far. One surprising thing is that it is heavier than it looks. I think somebody could cut the weight in half, and then add more electronics!"
Nov 13
John Hestness commented on Rob Thompson's blog post Stair Climbing Ground Drone ARTI by Transcend Robotics
"Great to see a working stair climber. I am glad to see they are making it open source. I would like to see a less expensive device specifically for domestic household stairs.  They are at half of their goal with 22 days to go.  …"
Nov 10
John Hestness commented on John Hestness's blog post Nanobeams
"Nanobeams are 5 mm x 5 mm. MicroRax and Maker Beam are 10 mm x 10 mm. The original T slot extrusions are 20 mm and up.  "
Nov 9
Jeffrey Torella commented on John Hestness's blog post Nanobeams
"doesn't Spark-fun have these listed under microrax ???  "
Nov 9
SkyRover commented on John Hestness's blog post Nanobeams
"Yea you could use bar stock to do the same thing but that will most likely involve drilling. And what happens if you need something a wee bit bigger? gotta drill more holes or widen existing ones. A payload bay comes to mind as a good use for these…"
Nov 3
Phill Scott commented on John Hestness's blog post Nanobeams
"Acorn - stability under hot conditions and more importantly, precision.  I use OpenBeam, and would not use it if it was extruded plastic.  It would be nowhere near as good.  The major advantage over stock materials is that things come…"
Nov 3
Acorn commented on John Hestness's blog post Nanobeams
"Why not extruded plastic?"
Nov 3
Acorn commented on John Hestness's blog post Nanobeams
"^^ Meh, nothing you can't do with some aluminum or steel stock. . ."
Nov 3
John Hestness commented on Chris Anderson's blog post Kickstarter for tornado-measuring drones
"I live in the Midwest and I fly drones, so I got to back these guys. Looking forward to mission reports. Stay safe."
Nov 1
SkyRover commented on John Hestness's blog post Nanobeams
"Very cool. I can think of lots of uses for this!!"
Nov 1
Nikola Rabchevsky commented on John Hestness's blog post Nanobeams
"Looks a lot like Fischertechnik."
Nov 1
Sean Skirvin commented on John Hestness's blog post Nanobeams
"You could make a nice micro CNC router with those lol."
Nov 1
John Hestness posted a blog post

Nanobeams

I laughed when I first saw these. Here is a picture of several pieces in a tictac box.  But on second thought they probably have a lot of uses and relevancy here on DIYdrones. There is a…See More
Nov 1
John Hestness commented on Brian Martin's blog post Thermal Imaging Camera Competition (FLIR ONE vs SEEK Thermal)
"@Jake, using an old android phone might or might not work because right now only certain phones are supported, but they are still working on the software, I hope there will be many options in the future (hint to developers).  So like Dom said…"
Oct 28
John Hestness commented on Brian Martin's blog post Thermal Imaging Camera Competition (FLIR ONE vs SEEK Thermal)
"I took some photos last night and it was very dark out. My friend was standing about 75 feet away (the distances are not identical) and I could not see him at all with the naked eye.  However he showed up very clearly on my cell phone using the…"
Oct 26
John Hestness commented on Brian Martin's blog post Thermal Imaging Camera Competition (FLIR ONE vs SEEK Thermal)
"I have a Seek Thermal and it is working.   So far I like it.  I will do some more testing after dark tonight.  Here is a picture of my desk this morning with a coffee and a laptop.  The biggest issue I have noticed is the 2 to…"
Oct 25

Profile Information

About Me:
I started building robots and control panels in grade school. Now I upgrade and maintain industrial control systems. I started flying RC about a year ago and I mentor in the FIRST robotics program.
Please tell us a bit about your UAV interest
I just finished assembling an APM. I want to try it in an airplane, helicopter, quadcopter, and a snow sled that I made last winter. I would like to automate my yard work and house work. Some day I want a light speed star ship, with an autopilot of course.
Hometown:
Minneapolis MN

 kludge "to improvise with a kludge or kludges" and kludgemanship "skill in designing or applying kludges".

A crock that works. 

An ill-assorted collection of poorly matching parts, forming a distressing whole.

Something that works for the wrong reason.

A kludge is often used to fix an unanticipated problem in an earlier kludge; this is essentially a kind of cruft.

 

John Hestness's Photos

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John Hestness's Blog

Nanobeams

Posted on November 1, 2014 at 8:30am 9 Comments

I laughed when I first saw these. Here is a picture of several pieces in a tictac box.  But on second thought they probably have a lot of uses and relevancy here on DIYdrones. There is a…

Continue

Airventure 2013

Posted on August 1, 2013 at 12:30pm 2 Comments

Interesting things I saw at the EAA Airventure event in Wisconsin this week.

Here is former GMA host David Hartman interviewing astronauts Chris Hadfield, Chris Ferguson, Charles Precourt, and Charles Duke.

Hadfield talked about space walking and his youtube video.  …

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Lifehacker interview of Chris Anderson

Posted on November 28, 2012 at 9:23pm 20 Comments

Happen to run across this today.  Great interview and a look at the workshop! 

http://lifehacker.com/5963966/im-chris-anderson-and-this-is-how-i-work

Quick and Easy Rover

Posted on April 4, 2012 at 8:21pm 40 Comments

In between aircraft I built this rover.  It is a Traxxas Slash frame with a piece of 1/8" aircraft plywood on top for an electronics platform.  The plywood measures 16.5" x 6.5".  It was super easy to build.  In the next few days I will finish configuring the electronics, update and confirgure the software and test it out. …

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Comment Wall (2 comments)

At 12:31pm on July 22, 2011, George Tarrant said…

John

Sorry if this is a stupid question but have you decided the missions you want your planes to perform? Its the missions that will dictate the PID loops you need.

If your question relates more to PID gain values, I'll need a dimensioned 3-view sketch of the plane to begin with.

At 4:37pm on July 22, 2011, John Hestness said…
George, I am using Ardupilot Mega. The mission is just to fly the plane to the waypoints, assuming wind of 0-12 MPH (0-19 KPH). My question is about the gains, and I have linked to a 3 view below. The wingspan is 44 inches (112 cm) AUW is 39 ounces (1.1 kg) Thank you, John


http://diydrones.com/photo/squadron2-1?context=user

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