i have added 2 new Birds to my collection... a 2m Opterra wing and a 1500mm FMS P51D Mustang.... my question is since i dont have "FC's' on these to connect to Betaflight which is the best way to set up "ARMING" switches? cuz when i power up the birds they are armed and ready to fly..... NO SAFETY !!!!   input PLEASE
P.S. iv'e watched a few video's by Joshua Bardwell and others im assuming this is the way to do it ????
and is there any way to get Vbat of Vfas without a FC to read voltage ??????

I must confess that I am not familiar with fixed wing, other than to admire them at the local hobby shop and flight grounds.

How do they interpret the signals from the RX for the flight surfaces and motor RPM? Is it all through the RX? If that is the case, can you program your radio to interact with one of the channels (throttle) in a two stage function? Like, program a logical switch in to the throttle circuit?

Frsky makes a separate voltage sensor that you can hook up to balance port of lipo. The sensor connects to the S port on the receiver.

https://www.getfpv.com/frsky-flvss-lipo-...tport.html

(03-May-2018, 03:55 PM)voodoo614 Wrote: Frsky makes a separate voltage sensor that you can hook up to balance port of lipo. The sensor connects to the S port on the receiver.

https://www.getfpv.com/frsky-flvss-lipo-...tport.html

OMG super..  i bought 2 of these a few months ago and stored them away.   WOooooo  HOooooo il blow the dust off of them. and put them to use..... thks Voodoo....

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(03-May-2018, 02:19 PM)kaitylynn Wrote: I must confess that I am not familiar with fixed wing, other than to admire them at the local hobby shop and flight grounds.

How do they interpret the signals from the RX for the flight surfaces and motor RPM?  Is it all through the RX?  If that is the case, can you program your radio to interact with one of the channels (throttle) in a two stage function?  Like, program a logical switch in to the throttle circuit?

   thks Kaitylynn.....

You can try to use logic switches to disable throttle unless you are armed. But it is probably more difficult trying to figure it out. Otherwise, you can actually add a flight control for your fixed wing like the CL Racing F4 Air. You will be using iNAV as your firmware. You will get all the benefit of switch arming and telemetry.

https://cl-racing.myshopify.com/products...7866810384

Many radios have a "Throttle Cut" feature which you can assign to any switch (My DX8 has this feature).  You might google "throttle cut" for your radio.

Note: be sure and look at all the particulars of your radio.  On the DX8, you can set the percent throttle when TC is enabled.  On the DX8, if set to negative (-30% for example), AND the throttle cut switch is engaged when you plug in the battery, then when the switch is dis-engaged, the throttle immediately jumps to +30%.  Here's an example video for the DX8.