Hello,

I am sorry for delayed reply. Sadly I can't tell you any reason why this could happen. We were trying to find anything wrong but protocol has strict data checking which disallow to send anything wrong by Spirit other than received data. CRSF is unchanged for long time and used daily with Spirit around the world, so we are convinced there is nothing wrong exclusively for this combination, same apply for SBUS.

Here we have same receiver, radio and same Spirit unit and testing with it.

We could only send you different Spirit GT to make sure nothing can be wrong at Spirit side.

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Spirit System developer

Flight Log was very helpful, unfortunately I can't see anything wrong there. It look as a completely normal flight without anything wrong received or sent.

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Spirit System developer

I'd be willing to give it another try with a different Spirit GT unit. I appreciate your support here.

Does anyone have an ELRS receiver that they recommend? I certainly wont be reusing the same receiver although I do have another RP3-H I may install. If I did use the same type I may change to SBUS. Looking for any ideas here.

More photos to come when I completely disassemble the helicopter....