From bdcf7335644e6fd8de5973693b1c70fa425a5850 Mon Sep 17 00:00:00 2001 From: Hamish Willee Date: Wed, 30 Oct 2024 16:50:26 +1100 Subject: [PATCH 1/2] Clarify arming is powering and props might start --- en/flying/basic_flying_fw.md | 7 ++++--- en/flying/basic_flying_mc.md | 8 +++++--- en/getting_started/px4_basic_concepts.md | 6 ++++-- 3 files changed, 13 insertions(+), 8 deletions(-) diff --git a/en/flying/basic_flying_fw.md b/en/flying/basic_flying_fw.md index 2e80731f4f0c..3f9f4a749585 100644 --- a/en/flying/basic_flying_fw.md +++ b/en/flying/basic_flying_fw.md @@ -9,12 +9,13 @@ Before you fly for the first time you should read our [First Flight Guidelines]( ## Arm the Vehicle Before you can fly the vehicle it must first be [armed](../getting_started/px4_basic_concepts.md#arming-and-disarming). -This will power all motors and actuators, and start any propellers turning. +This will power all motors and actuators, and may start propellers turning. To arm the drone: -- First disengage the [safety switch](../getting_started/px4_basic_concepts.md#safety-switch). -- Use the arm command for your vehicle - put the throttle stick in the bottom right corner. +- First disengage the [safety switch](../getting_started/px4_basic_concepts.md#safety-switch) (if present). +- Use the arm command for your vehicle + - Put the throttle stick in the bottom right corner (use the [arming gesture](../advanced_config/prearm_arm_disarm.md#arm_disarm_gestures)). - Alternatively configure an [arm/disarm switch](../config/safety.md#arm-disarm-switch). - You can also arm in _QGroundControl_ (PX4 does not require a radio control for flying autonomously). diff --git a/en/flying/basic_flying_mc.md b/en/flying/basic_flying_mc.md index cc2c87ef2182..0f5b78c93739 100644 --- a/en/flying/basic_flying_mc.md +++ b/en/flying/basic_flying_mc.md @@ -9,12 +9,14 @@ Before you fly for the first time you should read our [First Flight Guidelines]( ## Arm the Vehicle Before you can fly the vehicle it must first be [armed](../getting_started/px4_basic_concepts.md#arming-and-disarming). -This will power all motors and actuators and start propellers turning. +This will power all motors and actuators. +Unless you're doing a [Throw Launch](../flight_modes_mc/throw_launch.md) the propellers will also start turning. To arm the drone: -- First disengage the [safety switch](../getting_started/px4_basic_concepts.md#safety-switch). -- Use the arm command for your vehicle - put the throttle stick in the bottom right corner. +- First disengage the [safety switch](../getting_started/px4_basic_concepts.md#safety-switch) (if present). +- Use the arm command for your vehicle: + - Put the throttle stick in the bottom right corner (use the [arming gesture](../advanced_config/prearm_arm_disarm.md#arm_disarm_gestures)). - Alternatively configure an [arm/disarm switch](../config/safety.md#arm-disarm-switch). - You can also arm in _QGroundControl_ (PX4 does not require a radio control for flying autonomously). diff --git a/en/getting_started/px4_basic_concepts.md b/en/getting_started/px4_basic_concepts.md index c9b47382cd55..3cfddf7109a2 100644 --- a/en/getting_started/px4_basic_concepts.md +++ b/en/getting_started/px4_basic_concepts.md @@ -280,10 +280,12 @@ For more information see: [Payloads & Cameras](../payloads/index.md) ## Arming and Disarming A vehicle is said to be _armed_ when all motors and actuators are powered, and _disarmed_ when nothing is powered. -There is also a _prearmed_ state when only actuators are powered. +There is also a _prearmed_ state when only actuators are powered, which is primarily used for testing. + +A vehicle is usually disarmed on the ground, and must be armed before taking off in the current flight mode. :::warning -Armed vehicles can be dangerous as propellors will be spinning. +Armed vehicles are dangerous because propellers can start spinning at any time without further user input, and in many cases will start spinning immediately. ::: Arming and disarming are triggered by default using RC stick _gestures_. From 578a1d0ebd448610d90df73f82a925045b2e1017 Mon Sep 17 00:00:00 2001 From: Hamish Willee Date: Fri, 1 Nov 2024 07:45:55 +1100 Subject: [PATCH 2/2] Update en/getting_started/px4_basic_concepts.md Co-authored-by: Silvan Fuhrer --- en/getting_started/px4_basic_concepts.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/en/getting_started/px4_basic_concepts.md b/en/getting_started/px4_basic_concepts.md index 3cfddf7109a2..e3b17fc4edcd 100644 --- a/en/getting_started/px4_basic_concepts.md +++ b/en/getting_started/px4_basic_concepts.md @@ -280,7 +280,7 @@ For more information see: [Payloads & Cameras](../payloads/index.md) ## Arming and Disarming A vehicle is said to be _armed_ when all motors and actuators are powered, and _disarmed_ when nothing is powered. -There is also a _prearmed_ state when only actuators are powered, which is primarily used for testing. +There is also a _prearmed_ state when only servo actuators are powered, which is primarily used for testing. A vehicle is usually disarmed on the ground, and must be armed before taking off in the current flight mode.