The second part of the attachment is used to connect the robot with the pull-up bar. This attachment demonstrates a locking mechanism and can hold the weight of the whole robot while the robot is on the pull-up bar.
One of the spacers that the Nightbeast team used in FLL 2018/19 Into Orbit Challange
This is a robot attachment build only from LEGO Mindstorms Robot Inventor parts and it is used to accomplish the Weight Machine mission at the FIRST LEGO League 2020 competition. It is not a completely accurate attachment but it shows a good idea on how to accomplish the mission.
The purpose of this attachment is to flip the tires in the FIRST LEGO League 2020 Replay competition. There are two tires on the field. The attachment must flip them and return them to their initial position. This is an extremely interesting attachment that is using friction and force in order to flip the tires.
