"I feel your pain, I've been trying to learn the ins and outs o the props and power systems lately and its hard to ask intelligent questions(less likely to get answered). I'll give you my conclusions thus far but I'd invite…"
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Andy Theimer
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- Boulder, CO
- United States
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Andy Theimer's Discussions
Stock 3DR Quad + 850k Motors + 10x45 props
Started this discussion. Last reply by Richard Boyhan Dec 3, 2012. 1 Reply 0 Likes
I'm flying a fairly stock 3DR quad, I had my first tree encounter. Too much time in simulator, and didn't uncheck the Simple mode checkbox so I I lost orientation... punched RTL but she clipped a…Continue
Configuring Failsafe and Range Testing At The Field
Started this discussion. Last reply by captaingeek Nov 6, 2012. 1 Reply 0 Likes
My 3DR quad is using FrSky radio gear with a heavily modd'ed Turnigy 9x + er9x. From everything that I've read this should mitigate the notorious and thread-inflating flyaway issues of the stock…Continue
HOW TO: Windows 8 Mission Planner / Arduino Drivers
Started this discussion. Last reply by Andrew Nov 6, 2012. 5 Replies 0 Likes
Made the upgrade to Window 8 Pro this weekend. All things considered I have noticed a good speed increase over Windows 7. No major issues except when I plugged my quad into the USB port Mission…Continue
3DR Quad First Tethered Flight - Flies right + forward w/o radio input.
Started this discussion. Last reply by Stephen R Mann Nov 6, 2012. 19 Replies 0 Likes
After numerous bench tests, re calibrations, and more bench tests I was finally brave enough to take my 3DR quad out for it's first flight -albeit tethered. I did some initial outdoor ground testing…Continue
Andy Theimer's Page
Latest Activity
Andy Theimer replied to Saurabh Srivastava's discussion Decend Rate - ArduCopter 2.8.1"From what I've seen Sonar is a no-brainer $20 if you really want to auto-land.. Since I"ve added it RTL and auto-land have worked very well. "
Andy Theimer replied to Wolfgang Alders's discussion How do I power the APM board from my battery?"I ordered one of these a couple weeks ago, http://store.diydrones.com/APM_Power_Module_p/br-apmpwr.htm
Very happy with it, not only does it remove a potential fail-point it gives me battery monitoring in MP"
Andy Theimer replied to Amir Habibi's discussion Ardupilot 2.5 quad-copter is not flying"With respect to the lean on takeoff... I had similar issues at first... Play with the Level command in the MP, (or hold stick left for 15s in the field)... You want to make REALLY REALLY sure you are on a level surface when you do this though... It…"
Richard Boyhan replied to Andy Theimer's discussion Stock 3DR Quad + 850k Motors + 10x45 props"I assume that you have all 4 props the same and that you are not using 47 and 45's together? Can you hold altitude in stabilize mode? If yes, then the Quad should work in ALT HOLD and LOITER. Work on getting ALT HOLD to work…"
Andy Theimer posted a discussionStock 3DR Quad + 850k Motors + 10x45 props
I'm flying a fairly stock 3DR quad, I had my first tree encounter. Too much time in simulator, and didn't uncheck the Simple mode checkbox so I I lost orientation... punched RTL but she clipped a tree branch on her way home.Anyways, it appears the stock 10x47 props that come with the quad kit are extremely hard to find, don't come in many colors, and are expensive.... so I switched to 10x 45's now I've got some awesome bright green props on the front of my coptor BUT ever since making the…See More
Andy Theimer replied to Colin Sadler's discussion Where is the graph for sonar?"I had telemetry connected for my flight and am also looking for the sonar graph to troubleshoot a loiter issue.
Based on what has been said, you can't graph sonar from a tlog file only from a log file downloaded from the APM correct?"
Andy Theimer replied to Jill's discussion Remove motor shaft on DIY Drones Motor AC2830-358, 850Kv"Yeah, I bent 2 in a crash the other day myself... Here's the exact part I believe:
http://www.rctimer.com/index.php?gOo=goods_details.dwt&goodsid=552&productname=
or it looks like you can by a suspiciously similar motor to the 3dr 850…"
Andy Theimer commented on Dave Cervinka's blog post 4th flight with my quad"I've been learning slowly as well, I've done about 15 cautious flights, today I successfully tested all of the auto-modes, and did some 'fast' and fun flying for the first time... Wouldn't ya know it my last flight of the…"
Andy Theimer replied to m00se's discussion Help with loiter"Forgot to mention covering the barometer. I taped a bit of foam padding over mine -the kind that hard drives ship with. It's not the most dense covering so I'll try switching to something more dense like cotton of tissue paper…"
Andy Theimer replied to m00se's discussion Help with loiter"I've also had this happen several times now, using apm 2.5 + 3dr quad w/ ublox and sonar.
Today when I tried loiter it worked much better - it wandered around for a good minute or so but did yo-yo up and down quite a bit. I set loiter at…"
Stephen R Mann replied to Andy Theimer's discussion 3DR Quad First Tethered Flight - Flies right + forward w/o radio input."Just to close this branch from the OP's thread...
I found my aileron trim problem. It was me. Apparently I calibrated the radio with some aileron trim dialed in on the transmitter.
Doh!"
captaingeek replied to Andy Theimer's discussion Configuring Failsafe and Range Testing At The Field"it will only activate rth after being armed. so do your range check while its not armed."
Andrew replied to Andy Theimer's discussion HOW TO: Windows 8 Mission Planner / Arduino Drivers"I'm also having similar issues, any help would really be appreciated. I've started a thread here with hopes that someone may have figured it out already.
Thanks in advance everyone,
Andrew"
Andy Theimer posted a discussionConfiguring Failsafe and Range Testing At The Field
My 3DR quad is using FrSky radio gear with a heavily modd'ed Turnigy 9x + er9x. From everything that I've read this should mitigate the notorious and thread-inflating flyaway issues of the stock T9x. That said my first "close-by" flights have gone off without a hitch and I'm ready to fly higher and farther away. In preparation:I configured my TX to emit a pwm of 950 when throttle stick all the way down.For er9x loaded TX's:Connect the APM to Mission Planner and open open Actions Tab->Raw…See More
Sakar Mortalatis replied to Andy Theimer's discussion 3DR Quad First Tethered Flight - Flies right + forward w/o radio input."Well things seem to be functioning fine now, I re uploaded the firmware ,reset level, and tuned my PIDS.
The copter pulls slightly forward but only a tiny bit and I trimmed it out easily.
Yaw is no longer a problem really though the…"
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- Tell us a bit about your UAV interest
- It's new to me but excited to use code to control things that fly.
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- Milwaukee WI
Andy Theimer's Blog
First 3DR Quad Tethered Flight to Correct Leaning
Posted on October 21, 2012 at 7:00am 0 Comments 0 Likes
After numerous bench tests, re calibrations, and more bench tests I was finally brave enough to take my 3DR quad out for it's first flight -albeit tethered. I did some initial outdoor ground testing in which I brought the throttle up to the point of takeoff but noticed that the quad was showing a tendency of tilting forward and right so I killed the throttle, ran…
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Season Two of the Trust Time Trial (T3) Contest has now begun. The fourth round is an accuracy round for multicopters, which requires contestants to fly a cube. The deadline is April 14th.A list of all T3 contests is here.
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