Replies to This Discussion

Permalink Reply by Joakim Mato on July 8, 2012 at 4:20pm

Nope. No continuity between ch1in and ch2in. :(
I guess I'll desolder the douther board and look where the ch 1 signal wire runs.

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3D RoboticsPermalink Reply by Chris Anderson on July 8, 2012 at 5:28pm

I just checked my own deltawing with APM 2 and everything works right. (I have elevon mode and CH1 elevon reverse checked). I suspect you've skipped some step in the setup, but can't think of which.

BTW, I'm not sure what CH 1 and CH 2 is reflecting in that status display. On mine, they're decoupled, even though my transmitter is in elevon mode (which should be coupling them at the RC side). It's a bit confusing...

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Permalink Reply by Joakim Mato on July 9, 2012 at 3:04am

It is confusing.

I followed these for setting things up. APM2RCSetup

3D RoboticsPermalink Reply by Chris Anderson on July 9, 2012 at 7:05am

Did you follow the elevon setup instructions?

Permalink Reply by Joakim Mato on July 9, 2012 at 3:05am

What about those jumpers? I know JP1 needs to be ON to power the servos.

I presume the PPM Encoder is handling the inputs? Is there way to reset/reflash it?

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3D RoboticsPermalink Reply by Chris Anderson on July 9, 2012 at 8:04am

You don't need to touch the solder/micro jumpers. They're just for advanced use such as bypassing the PPM encoder and using the serial port for something else. 

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Permalink Reply by Joakim Mato on July 9, 2012 at 6:27am

I reflashed the PPM Encoder with Flip. No luck. Problem stays.

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Permalink Reply by Joakim Mato on July 9, 2012 at 7:39am

I did follow those Elevon setup instructions.

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3D RoboticsPermalink Reply by Chris Anderson on July 9, 2012 at 8:06am

When you're doing the RC setup, do both the CH 1 and CH 2 bars move when you move either the elevator or aileron stick? If your RC TX is set up for elevon mode, they should move together.

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Permalink Reply by Joakim Mato on July 9, 2012 at 8:41am

The bars move together when the 'Elevons' option is ticked. Only ch2 when not ticked. So... was I fooled by that to think ch1 and ch2 were connected somehow. Maybe ch1 is not connected at all...

The input pin #1 (ch1) is not shorted and is connected to 220 ohm resistor. Also the 220 ohm resistor is soldered properly. What happens after that I don't know. It is too tight to fit my probes. :) Oh dear, do I really have to desolder the douther board(?)

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Permalink Reply by Dwgsparky on July 9, 2012 at 10:49am

Hi

Chris has located your problem , I had the same issue with my flying wing. You must enable the elevon mixing on the RC controller as if you were flying without an APM2 . Then you must re-do the RC calibration as the instructions and tick the elevon box as well. Note than when you do the calibration dont just move the elevator and aileron sticks to the normal up down, left right positions. you must move the stick to the CORNERS or the calibration will be wrong and the servos will try to move too far. this is because the elevator and airelon inputs are added when the stick is in the corner (full left and full up as an example)

Set the reversing switches so that the wing appears to auto level in FBW A mode and then reverse the Tx switches until the manual controls work the right way.... it took 3 trys before I got mine right!!!

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3D RoboticsPermalink Reply by Chris Anderson on July 9, 2012 at 11:48am

Good point on the modified RC calibration process. I've added that to the wiki. 

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