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Fictional "connecting" aircraft

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Fictional "connecting" aircraft

Postby vivri » Sat Jun 10, 2017 4:53 am

Hi all,

I'm new to FG, so please excuse my newness. I'd like to design aircraft that is able to connect to each other in midair, thereby changing their FDMs.

Is this possible - e.g. by hot-swapping the two aircraft with a "fused" aircraft at the moment of connect, or by loading different FDMs dynamically as they connect?

Also, unrelatedly, is it possible (without code modification) to emit telemetry and control the aircraft via external software?

Thanks in advance!
Victor
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Re: Fictional "connecting" aircraft

Postby Thorsten » Sat Jun 10, 2017 5:40 am

Is this possible - e.g. by hot-swapping the two aircraft with a "fused" aircraft at the moment of connect, or by loading different FDMs dynamically as they connect?


Look at the rockets in the repository - they solve the opposite problem. So yes, that is possible in principle.
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Re: Fictional "connecting" aircraft

Postby Johan G » Sat Jun 10, 2017 7:40 pm

vivri wrote in Sat Jun 10, 2017 4:53 am:[...] is it possible (without code modification) to emit telemetry and control the aircraft via external software?

Yes, FlightGear has interfaces that can be configured to give telemetry, either to a file, to software or to hardware. Those interfaces can also be used the other way to control a FlightGear aircraft.

A good starting point for reading in on the various way that can be done is the FlightGear wiki article Interfacing FlightGear (perm)

As an example a few users have actually built their own autopilot control panels and connected those to their computer and FlightGear, enabling them to control the AP from the hardware device and update a display with data from FlightGear (YouTube video demonstration of an advanced one).


As a side note instead of using the built in flight dynamics model (FDM), one can also use external FDMs. It happens now and then that people ask how to for example interface FlightGear with Simulink and Matlab.
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