# Copter hovering unstable

**URL:** <https://discuss.px4.io/t/copter-hovering-unstable/40309>\
**Category:** PX4 Autopilot\
**Created:** [August 21, 2024, 12:22pm UTC](https://discuss.px4.io/t/copter-hovering-unstable/40309 "2024-08-21T12:22:19Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![qonfon](https://discuss.px4.io/letter_avatar_proxy/v4/letter/q/a698b9/32.png) [@qonfon](https://discuss.px4.io/u/qonfon)\
**Post date:** [August 21, 2024, 12:22pm UTC](https://discuss.px4.io/t/copter-hovering-unstable/40309/1 "2024-08-21T12:22:19Z")

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The quadcopter drone is unstable during hovering and may sway up and down. Could you please help me identify where the settings may be incorrect? Thanks

below are logs:

[https://review.px4.io/plot\_app?log=57df7c51-1dff-404f-b141-d022c0c6d764](https://review.px4.io/plot_app?log=57df7c51-1dff-404f-b141-d022c0c6d764)

[https://review.px4.io/plot\_app?log=d1fd98b0-8aa7-47a6-9e02-0de1100df670](https://review.px4.io/plot_app?log=d1fd98b0-8aa7-47a6-9e02-0de1100df670)

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**Author:** ![Dhruvil](https://discuss.px4.io/letter_avatar_proxy/v4/letter/d/839c29/32.png) [@Dhruvil](https://discuss.px4.io/u/Dhruvil)\
**Post date:** [August 21, 2024, 1:18pm UTC](https://discuss.px4.io/t/copter-hovering-unstable/40309/2 "2024-08-21T13:18:35Z")

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The vibrations are really bad. try using some vibration isolation

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<div class="post-metadata">

**Author:** ![qonfon](https://discuss.px4.io/letter_avatar_proxy/v4/letter/q/a698b9/32.png) [@qonfon](https://discuss.px4.io/u/qonfon)\
**Post date:** [August 21, 2024, 1:40pm UTC](https://discuss.px4.io/t/copter-hovering-unstable/40309/3 "2024-08-21T13:40:38Z")

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Okay, I’ll try adding shock absorbers，Tks

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<div class="post-metadata">

**Author:** ![qonfon](https://discuss.px4.io/letter_avatar_proxy/v4/letter/q/a698b9/32.png) [@qonfon](https://discuss.px4.io/u/qonfon)\
**Post date:** [August 22, 2024, 1:30am UTC](https://discuss.px4.io/t/copter-hovering-unstable/40309/4 "2024-08-22T01:30:34Z")

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Adding shock absorbers has greatly improved the situation

[https://review.px4.io/plot\_app?log=3265351d-3ccc-4ec7-9e67-8a49b7630488](https://review.px4.io/plot_app?log=3265351d-3ccc-4ec7-9e67-8a49b7630488)