Blade 270 CFX with BeastX AR7210BX with SAFE

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02 Jan 2017 14:37 #57470 by Ariete
Hi guys,
I am having trouble setting the Blade 270 CFX with my Devo 8S with deviation v4.0.1 while it works without fail with a DX6i.

I used as template a model that works OK with the Blade 230S.

I can bind to the AR7210BX and it initialises.
I am having two problems:
First: Throttle isn't working. All the other channels are working but nothing happens with the throttle.
Second: I can't activate the trainer mode which is supposed to activate when I change the Gear Switch to 1. It may be related to the first problem because with the DX6i it can't be activated until the throttle has been up at least one time. The FMOD switch is working as expected.

File Attachment:

File Name: model25.ini
File Size:8 KB


Could you please take a look at my ini file to see if you can find the reason why throttle is not working?

Thanks.
Attachments:

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02 Jan 2017 14:43 #57471 by FDR
Probably the ESC needs to be calibrated, because the endpoints of different transmitters usually aren't equal.
You can also try to increase the Scale+- values to say 125%.

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02 Jan 2017 16:26 #57479 by Ariete
Thanks FDR,
I increased the scale as suggested and the throttle is working now.

The second problem remains though.

How can I make this to toggle between normal mode and trainer mode?
[channel7]
template=simple
[mixer]
src=!GEAR1
dest=Ch7
In the DX6i it is done by changing the gyro rate with the gear switch:
GYRO
RATE   SW_GYRO
0          65%
1          28%

But I don't think deviation has a variable gyro rate.

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02 Jan 2017 16:37 #57480 by FDR
Are you sure, that the GYRO channel is on Ch 7?
Other obvious difference is the values, but I don't know if that would matter.
I guess the DX6 values (28% and 65%) are on a 0..100% scale, so they would equal to -44% and +30%, which you can configure most easily using the DR&Expo template with the fixed function...

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02 Jan 2017 19:37 - 02 Jan 2017 19:38 #57485 by Ariete
Hi FDR,
thanks again you've been very helpful.
I tried changing values and curves but no difference. So at the end I had to read the f. manual and you were right:

Specifications
Type: DSM® receiver and BEASTX® flybarless technology
Channels: 6–9 (8 channels are available, however, Channel 5 is only used as an
internal gain channel for the tail gyro/operating SAFE®).

Modulation: DSM2, DSMX
Main Receiver Dimensions: 36mm x 28mm x 13 mm/1.42 in x 1.1 in x .51 in
(Length x Width x Height)
Main Receiver Weight: 0.66 oz (18.6 g)
Voltage Range: 3.5 to 8.5V
Resolution: 2048
Frame Rate: 11ms
Compatibility: All DSM2 and DSMX aircraft transmitters and module systems


So I moved the operation of Gear1 to channel 5 and it is working now :) . Only remains to test it in the field but I can see that trainer mode is active.

The only thing that I am not sure if does anything at all is the code for channel 5 that I moved to channel 7
[channel7]
template=simple
[mixer]
src=FMODE0
dest=Ch7

Although I still have to test it I attach the latest model should anyone need it.

File Attachment:

File Name: model25_20...1-02.ini
File Size:16 KB
Attachments:
Last edit: 02 Jan 2017 19:38 by Ariete.

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02 Jan 2017 21:00 #57490 by FDR
I'm glad that it works!

Try to set the source of the Ch7 to None, and it will disappear, or simply delete that section from the file if it bothers you...

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07 Jan 2017 17:11 #57638 by Ariete
Field report-Final model

The test on the field revealed a problem with the rudder gain. The tail was doing continuous sudden movements both ways. I applied a three point curve with the values FDR calculated and it corrected,
Now it works great!

File Attachment:

File Name: model25_20...1-07.ini
File Size:16 KB
Attachments:

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