Following terrain height

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Following terrain height

Postby spinner » Sun Jul 07, 2013 12:21 pm

Hi,

Will the aircraft stay at a constant 100m height if there are hills in it's line of flight. I read that some autopilots uses lidar data from google earth if it's available to do this. I assume the barometric values are relative to the location it took off from so wouldn't really help with this.

Thanks,
Tim.
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Re: Following terrain height

Postby Tom » Sun Jul 07, 2013 2:06 pm

Yes, it uses the barometric altitude to keep constant altitude (relative to sea level)
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Re: Following terrain height

Postby spinner » Mon Jul 08, 2013 7:55 pm

Just to be clear before we send it off towards a hill, will it stay at a 100m above ground level going over a hill ?

Thanks,
Tim.
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Re: Following terrain height

Postby Tom » Tue Jul 09, 2013 6:30 am

No, it will not follow the ground level. It will stay at the same absolute altitude, so 100m above the take-off position.
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