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RTH

Walter Hall

Well-Known Member
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Mar 22, 2018
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68
Hello:

In another post I read that RTH will not avoid obstacles if you are more than 100M out? Is this true? If you set RTH height will it still climb to the set height and RTH?

Regards,

Walt
 
Check out the Spark User Manual starting on page 13 to get information on how RTH works on the Spark.

Here is an excerpt from page 15.

rth spark.png
 
Hello:

In another post I read that RTH will not avoid obstacles if you are more than 100M out? Is this true? If you set RTH height will it still climb to the set height and RTH?

Regards,

Walt

Walt, @beachcombing is right...read the manual.
 
Hello:

In another post I read that RTH will not avoid obstacles if you are more than 100M out? Is this true? If you set RTH height will it still climb to the set height and RTH?

Regards,

Walt

Correct, to return home faster obstacle avoidance is deactivated during RTH over 100M out, and it will climb to the set high if below it.
 
I saw that in the manual and thought that was just strange. I just can’t think of a difference for avoidance set at a 100M marker. My simple mind can’t comprehend.
 
Hi Les,
The difference is in the speed when at different distances, unless when triggered it’s due to a very low battery. The speed is not included in the second part of the article but because the craft is less than 100 meters it will not need to book it home and can continue using the OA to return home safely. Only a low, low battery will it alter its flight plan.
I found that out the hard way, nearly landing on an interstate after getting a critical low battery warning in a RTH scenario. I was just learning about the RTH when in a low battery state. Nearly “ Ca Ca “ myself that day.

“Don’t look me, I’m making this stuff up as I go along.
 
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