Building Instructions -

• FIRST LEGO League

Active robot attachment for the LEGO Mindstorms EV3 Box robot chassis. The attachment is placed on the top of the robot and uses a system of two gear wheels to transfer the motion to a lever and to .... lift things.

A simple active attachment that could be added to the Box Robot Chassis.

No need for all attachments to be powered by motors and to include gears. It's sometimes possible to use a simple robot attachment to collect objects. Such attachments we call passive and this one is an example for the Box Robot Chassis.

Build with LEGO Mindstorms EV3 

When you need a LEGO robot attachment to lift heavy things on the competition field. Probably at FIRST LEGO League or World Robotics Olympiad. This attachment uses 4-5 gear wheels to lift a heavy object.

Build with LEGO Mindstorms EV3 parts. 

Attachment frames are used on Base Robot Chassis to make it easier to add and remove attachments very fast. This frame is for the Box Robot 1. It is a single module build with LEGO Mindstorms EV3 parts and it could handle attachment on all sides. 

Building instructions for a LEGO Mindstorms Base Chassis with a reversible motor

Note: This robot contains wheels that are from the NXT set.

Background

The chance of a “serious” meteoroid hitting earth in our lifetime is extremely low, but it’s not zero, and the devastation could truly wipe us out. How will scientists and engineers keep us safe?

Mission

From west of the free-line, send one or both meteoroids independently to the meteoroid catcher. “Independently”: see also M01, Section “Scoring Requirements”.

Scores

• Meteoroid(s) touch(es) the mat in the centre section of the meteoroid catcher: 12 each
• Meteoroid(s) touch(es) the mat in either side section of the meteoroid catcher: 8 each
• Possible scores: 0, 8, 12, 16, 20, 24

Scoring Requirements

• The result must be visible at the end of the match.
• The meteoroids need to be sent over the free-line to touch the mat in the meteoroid catcher > Only allowed method. Must be observed by the referee.
• The meteoroids must be hit/released while they are clearly and completely west of the free-line. > Only allowed method. Must be observed by the referee.
• While between hit/release and scoring position, the meteoroid must be clearly independent. > Only allowed method. Must be observed by the referee.
• If ever the ring-set meteoroid is off its ring, you may remove the ring from the field by hand. This is a special exception to the rules.

(mission descriptions source https://www.first-lego-league.org/)

Background

Soon after a launch, rocket engines often separate away from spacecraft by design, but that’s long before the spacecraft leaves the pull of gravity. So why doesn’t the spacecraft fall back to earth?

Mission

The robot needs to impact the strike pad hard enough to keep the spacecraft from dropping back down.

Scores

• Get the spacecraft to go so fast and high that it stays up, by pressing/hitting the strike pad: 24
• Possible scores: 0, 24

Scoring Requirements

• The result must be visible at the end of the match.
• Activate the spacecraft by pressing/hitting the strike pad. > Only allowed method. Must be observed by the referee.

(mission descriptions source https://www.first-lego-league.org/)

Background

Solar panels in space are a great source of energy for a space station in the inner solar system, but since things in space are always moving, aiming the panels takes some thought.

Mission

Solar panels need to be angled toward or away from you, depending on strategy and conditions.

Scores

• Both solar panels are angled toward the same field: 22 (for both teams)

• Your solar panel is angled toward the other team’s field: 18

• Possible scores: 0, 18, 22, 40 as shown below and seen from above your north border, facing north.

“Your” solar panel is the one on your west end of the table.

Scoring Requirements

• Results must be visible at the end of the match.

(mission descriptions source https://www.first-lego-league.org/)

FIRST^® LEGO^® League mission requirements need to be achieved by your robot through its programs and its use of equipment. You’re allowed to hand-rescue your robot, but that does cause this penalty. Be sure to pay extra attention to the rules where they talk about “Interruptions"

Penalty

• If you interrupt the robot: minus 3 each time
• Possible penalty totals: −18, −15, −12, −9, −6, −3, 0

Scoring Requirements

• Interruption needs to be observed by the referee.
• Upon penalty, the referee will place one penalty disc in the southeast triangle as a permanent interruption marker.
• You can get up to six such penalties.
• If a penalty disc comes off the triangle, it is simply returned, with no effect on score.

(mission descriptions source https://www.first-lego-league.org/)

Background

Incredible engineering accomplishments like space travel come about in steps. And many huge, progressive sub-goals need to be met before we can forever leave earth and live to tell about it!

Mission

The robot needs to send payload rockets (carts) rolling down the space travel ramp. The first cart is preset and ready to go, but the robot needs to load the other two from the base.

Scores

• Vehicle payload rolled down the space travel ramp: 22
• Supply payload rolled down the space travel ramp: 14
• Crew payload rolled down the space travel ramp: 10
• Possible scores: 0, 10, 14, 22, 24, 32, 36, 46

Scoring Requirements

• For each roll, the cart must be independent by the time it reaches the first track connection ramp. > Note: Only allowed method. Must be observed by the referee.
• Start each payload clearly rolling down the space travel ramp. > Note: Only allowed method. Must be observed by the referee.
• As a mission requirement in any mission, the word “independent” means “not in contact with any of your equipment. > As long as the cart clearly rolls independently past the first track connection, it’s okay if it doesn’t roll all the way east.

(mission descriptions source https://www.first-lego-league.org/)

Background

Space is quiet and beautiful, but with almost no heat, air, nor air pressure, it could freeze, suffocate, and boil you all at once! Help our spacewalking astronaut “Gerhard” get to safety.

Mission

The robot needs to get Gerhard’s body into the airlock chamber.

Scores

• Astronaut completely in the habitation hub’s airlock chamber: 22 OR
• Astronaut partly in the habitation hub’s airlock chamber: 18
• Possible scores: 0, 18, 22

Scoring Requirements

• For this mission, the word “body” includes all parts except the loop.
• Results must be visible at the end of the match.

(mission descriptions source https://www.first-lego-league.org/)