CurrentAngle
ReadOnly
This property can only be read from. Attempting to write to it will cause an error.
NotReplicated
This item is not replicated across Roblox’s server/client boundary.
The current angle of the HingeConstraint. This angle is calculated by measuring the angle separation of the y-axes of the Attachment|Attachments.
Note that in the above picture the x-axis of the Attachment in PartA is pointed away from the camera.