Plane flying backwards in HIL

Odd behavior from my HIL experiences the past two days.

I have done HIL many times before but am experiencing problems now.

Problem 1: APM does not arm until xplane connects.

Problem 2: Once it IS all connected, heading of aircraft in MP is off by about 180 degrees. On the simulation screen, my heading and yaw line up and agree with what xplane is spitting out (in this case, 320 degrees) but in MP, the yaw and groundcourse are totally off (130-129 degrees)

needless to say, this causes a lot of problems with any mode other than manual. attitude estimate is also thrown off by it.

has anyone seen this before?

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Replies

  • Not sure if anyone else has seen this. I downgraded the HIL software to 2.68 and now it works.

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