A simple receiver replacement turns into more drama that I imagined it ever could - but eventually we got the GTR-90 flying.... and it was good.
This quad came from Banggood, so please check out their (affiliate) link to the product here
I started with the 4-balded Gemfan 2035 props
Then moved to the Hulkie 2040 3-balded props
I used the FrSky XM+ receiver (which eventually worked)
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