Bebop 2 wobbles on the way down

Questions and answers about Bebop, Bebop 2 and the Parrot Skycontroller.
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1st timer
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Bebop 2 wobbles on the way down

Post by 1st timer » 03 Nov 2018, 04:21

When coming down , I noticed the drone wobble
Is that normal?

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AR.Tommy
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Re: Bebop 2 wobbles on the way down

Post by AR.Tommy » 03 Nov 2018, 06:56

Hello,

this is indeed normal when descending straight down and called "prop wash". To avoid this you can either go slower, in a slope or in circles.
http://www.digitalsirup.com

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Re: Bebop 2 wobbles on the way down

Post by 1st timer » 03 Nov 2018, 11:32

It does this when rth is initiated.

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Re: Bebop 2 wobbles on the way down

Post by waterlanding » 03 Nov 2018, 12:37

1st timer wrote:
03 Nov 2018, 11:32
It does this when rth is initiated.
The default descent speed for RTH is 2 meters per second. That's also the max safe descent speed of a Bebop 2. it's normal for it to wobble at that speed. As Tommy explained, the drone is dropping right down into it's own turbulence, called the prop wash.

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Re: Bebop 2 wobbles on the way down

Post by 1st timer » 03 Nov 2018, 12:42

I have a yuneec breeze and a wingsland s6 and this doesn't happen.

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Re: Bebop 2 wobbles on the way down

Post by waterlanding » 03 Nov 2018, 23:49

1st timer wrote:
03 Nov 2018, 12:42
I have a yuneec breeze and a wingsland s6 and this doesn't happen.
Well, now you have a Bebop 2, and that's what it does. :)

Seriously, the Bebop 2 is much faster that your other drones. Those drones have a limited descent speed and less vertical drag so come down more level. It's the Bebop 2's speed that causes the descent wobble. There's nothing you can do about it in a straight vertical drop except go slower.

RTH uses a fixed descent speed of 2 m/s, which is about as fast as it can go without the turbulence destabilizing the drone.

However, if the drone is moving forward while descending, the Bebop 2 can come down as fast as 6 meters/sec without any wobble. :D

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