Spektrum DX8, 6 flights mode with one singel channel, by FM and Gear Switch
If you want 6 flights mode with Gear and Flightmode 1,2 switch with only using one channel (CH5) the following can be done with dx8 and maybe DX7:
Go to servo set up, set Gear to 85% and 65% in travel
Go to mixing:
Select Mix 1
Select GER >GER Set rate: to -31% and -23% ( these are the rates for gear sw pos '0' and Flight mode 1 and gear sw pos '1' and Flight mode 1)
Leave Offset at 0 %
leave Trim: set to Inh.
Set Sw to FM 1
Go to Mix 2
Select GER >GER Set rate: to -100% and -76% ( these are the rates for gear sw pos '0' and Flight mode 2 and gear sw pos '1' and Flight mode 2)
Leave Offset at 0 %
leave Trim: set to Inh.
Set Sw to FM 2
Then to check go into mission planner(APM setup), connect the arducopter and the radio then choose modes in the apm setup
Replies to This Discussion
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Permalink Reply by Chad P on -
This is an awesome post, thanks. I have used up all of my mixes. Is there a way to do it with only one mix? That is all I have left.
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Permalink Reply by Bruce Jones on
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Unfortunately this doesn't work with the DX7s, there's no FM 2 option in the Sw field. Is FM a 3-way on a DX8?
On a DX7s, I'll need to use the Flap (3-way) and Gear (2-way) switches.
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Permalink Reply by Chad P on
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Yes the FM switch on the DX8 is a 3 position switch... I have never played with a DX7 sorry.
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Permalink Reply by Miguel on
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Thanks for the Post.... question: Does my DX8 have to be set up in HELI mode or could it be in AIRPLANE mode ? My DX8 is in airplane mode and APM planner is not recognizing the changes.. Do I have to assign ch 5? How do I do this? Which is CH 5?
Maybe I'm having problems mixing (setting the master and slave)...
thnks again
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Permalink Reply by Miguel on
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Ok fixed the problem.. I forgot to change the servo lead cables from AUX 2 and AUX 1 and connect them to GEAR on my receiver ... :)
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Permalink Reply by Euan Ramsay on
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Forgive the newb question...but are you saying I need to construction a 2-into-1 servo cable?
I have Aux 1 and 2 wired directly to CH 6 & 7 at present.
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Permalink Reply by Chad P on
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You shouldn't need to make any special cables... it is all in the mixing.
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Permalink Reply by Euan Ramsay on
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Grand. I'll give it a go tonight in that case.
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Permalink Reply by Vernon Barry on
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Airplane mode always. The reason why is Heli is a special mode from the radio standpoint as it's set up for collective pitch. That means the radio mixes both the throttle channel and the collective pitch channel and that is no good. Airplane mode normally has no mixing of channels by default.
All of that is covered in the radio manual if I'm speaking Greek to you.
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Permalink Reply by Peter Klimon on -
Vernon,
So from what you are saying is that the collective pitch is not used when flying Quads and Hexa copters? If so it certainly makes sense to use the settings for planes. I have not heard this mentioned before so I am curious if most users start with Heli on the wrong assumptions when applied to multi-rotor copters?
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Permalink Reply by Dustin on
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Thank you for the great instructions. Would you mind explaining the steps in a bit more detail. Flight modes 2-6 are working for me, but I'm not getting a signal low enough to hit Flight Mode 1. I got this working by changing some of the values and watching the modes change in Mission Planner.... but I really didn't know what I was doing. I'd love to understand it better.
Thank you,
Dustin
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