Guided Build Follow-Up Workshop
- March 20 · 5:00 PM
Thanks to all those that came out to our Guided Kit Build session on Saturday! We'll have a follow-up workshop this week for:
1. Finishing up your guided kit! My lab has tools and some space to work.
2. Calibration, verification, and testing of your build!
3. Hang out, discuss, ponder
4. Fix any problems with your kit if there were missing or defective parts.
Note, there's NO FREE PARKING on campus on Weekdays. You must use visitor parking deck (Shenandoah Parking Deck, lowest level) for $3/hr.
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Aaron Miller
I am having a problem with my 3dr modules. I can get them to connect and I can load/change/save settings from the configuration menu in Mission Planner. However, when I try to go to Flight Data and then connect using the button in the upper right it times out. I get a Mavlink error saying no heartbeats. The air and ground modules are connected and solid green. The only thing I have plugged in is the ground module (not connected to APM via usb) and I have the quad powered.
Is there a trick to get it to connect while in Flight Data? Everything else seems fine, I even updated the firmware on BOTH modules.
I appreciate any help.
April 6
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Aaron Miller
I setup both radio (the air module I used a USB to TTL adapter) and I upgraded the firmware on both as well.
April 7
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Aaron Miller
I figured it out, apparently you can change the baud rate, but Flight Data only works with 57600. I changed them back to that baud rate and it worked. Seems like a bug in the code, especially when the details of the error shows hog's personal user directory for windows 7.
April 7
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Aaron Miller
Can someone explain to me why my drone will float down to the ground and back up when flying at steady throttle (say about 50% throttle). It seems to slowly drop and bounce back up like it is losing lift for a few seconds or something.
Is that normal? Am I doing something wrong?
March 22
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Ferrell McCollough
If you are learning to fly it's pretty common to bounce them. What happens is you climb, then pull back on the throttle to keep it in your comfort zone. It will start to drop even with a tiny decrease in throttle. If you are new to flying, your response to adding more throttle lags. As downward momentum increases you don't realize it until it's too late.... bounce! It takes more throttle to reverse the downward momentum than you think, certainly more than your hover amount. Good Luck!
March 22
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Christopher Vo
If you are in stabilize mode (the default), the copter does not perform any automatic throttle to remain at the same altitude. It may lose some lift randomly due to yaw corrections.
March 22
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Ferrell McCollough
Thank you so much Chris, without your help my Arducopter would be useless pile of sophisticated electronics. Instead I did some flying this morning :-)
March 21
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Jerry Richards
Just wanted to thank Cris for all his help. I appreciate his knowledge and generous donation of his time. Also found the interaction with a great group of guys most enjoyable.
1 · March 21
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Christopher Vo
By the way, there is a direct shuttle from the Metro to GMU: Metro --> Mason: http://shuttle.gmu.edu/pdfs/fal...
It's about a 30 minute ride from the Vienna station. I think it drops you off at Mason Inn, which is across campus from the lab. However, on the way back you can leave from the Sandy Creek stop, which is close to the lab:
Mason --> Metro: http://shuttle.gmu.edu/pdfs/fal...March 19
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Aaron Miller
How late will this be? I probably won't be able to make it here until 6 or 6:30. Is that fine?
March 18
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Christopher Vo
Looks like the 3DR telemetry air modules are still out of stock at RCTimer and they say it won't be in until the end of March. For those of you still waiting for them, there are a three options:
1. Wait and I will eventually put the group order through when it's available. This might take a month or longer.
2. Get a $20 refund from me for the missing air module. Then you can look elsewhere for a 915 MHz air module, such as store.diydrones.com.
3. Get a used one from me. I have a bunch of genuine 3dRobotics air modules and a couple of RCTimer Air modules which work just fine. In fact instead of "used" you could say "tested"March 17
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Christopher Vo
OK. not everyone will be able to get a used one, I only have 3 or 4 of them. I'll check my stock and get back to y'all
March 18
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David Thorin Saeger
Wasnt able to make the first build looking forward to picking up my kit
1 · March 18
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Christopher Vo
You left your glue gun at the build. I took it with me when I left. I'll give it to you next time we meet.
March 17
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Christopher Vo
When you calibrate your RC in the mission planner, what are the minimum and maximum values it recorded for the throttle and yaw channels? This will help me debug your problem.
March 17
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Christopher Vo
I also heard that PPM is a better way to hook up Futaba receivers to the APM. I can help you set that up if you come to the follow up session.
March 17
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Christopher Vo
By the way, the Fourth Group Buy is open, at store.dcdrone.org. Feel free to order any parts you might want, let me know if there's anything extra you want and I'll add it. This order will be combined with the order for the missing telemetry air modules, which still aren't back in stock at RCTimer, despite their claim that they'd be in by Mar 10....
March 17
14 attended
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David Thorin Saeger
Checked-in -
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Rich
Director of Veterans Affairs
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