# Menu System - FLL Tutorials

TECHNIC BASICS SESHAN BROTHERS ARE YOU NEW TO TECHNIC? This lesson is an introductory lesson to common technic pieces This lessons does not cover every Technic part. It is just an introduction to commonly used parts in MINDSTORMS robots 2018, FLL Tutorials, Last Edit LIFTARMS Liftarms come in various sizes from 2M to 15M

length Technic is measured in Modules (M) The number of holes corresponds to the Modules 5M 1M 1M 7 Modules = 7M 2018, FLL Tutorials, Last Edit 2M

3M 7M 15M 13M 11M 9M TEST: MAKING SOMETHING LONG What if you want to build something long Build both models below. Which one is stronger? 2018, FLL Tutorials, Last Edit LIFTARMS ANGLES Tbeam 3X3

4X2 90 degrees 4X3 90 degrees Dont force LEGO into angles they are not meant for. You will put stress on the liftarms and the pegs

Angle 4X4 Angle 4X2 These beams all have a 53.1 angle. This angle makes 3:4:5 right triangles like this one. 2018, FLL Tutorials, Last Edit Angle 3X7 Double

Angle 3X7 TECHNIC PEGS LEGO makes two type of WF FL pegs: With Friction and Frictionless pegs FL FL FL A common mistake is to use either peg in builds However, which peg you use

does matter! WF FL WF FL FL Frictionless WF- Friction 2018, FLL Tutorials, Last Edit TECHNIC PEG TEST Build both these models. One uses a black peg with friction and the other uses the grey frictionless peg What is different?

2018, FLL Tutorials, Last Edit WF FL FRAMES Open frames and H- frames can add strength to your builds without as much weight 2018, FLL Tutorials, Last Edit FRAMES TEST Build each of

these. Compare them for weight and strength Try to pull the pieces apart. Which one stays together the best? 2018, FLL Tutorials, Last Edit CHANGING DIRECTIONS These connectors can be used to change directions You might

sometimes need to be a module off. Some of these connectors can come in handy for this. 2018, FLL Tutorials, Last Edit AXLES 32 Axles come in lengths of 2M to 32M in various colors The MINDSTORMS set generally has black, red (2 length), and grey axles, but newer technic sets are

changing to all red and yellow 16 12 2 2018, FLL Tutorials, Last Edit 3 4 5 6

7 8 10 9 AXLE CONNECTORS Axle connectors come in various angles. Many of them are labeled with a number Dont force LEGO into angles they are not meant for. You will put stress on the axles and connectors 1 2

3 22.5 2018, FLL Tutorials, Last Edit 4 45 5 6 67.5 90 AXLE TEST

Sometimes, shorter axles with connectors are a lot stronger than one long axle Construct both builds below. Try bending/twisting them. Which one is stronger? Three length axles with connectors 12 length axle 2018, FLL Tutorials, Last Edit BUSHINGS Bushings can come in very handy They are used in axles like a space holder

2018, FLL Tutorials, Last Edit CREDITS This tutorial was created by Sanjay Seshan and Arvind Seshan More lessons at www.ev3lessons.com and www.flltutorials.com This work is licensed under a Creative Commons AttributionNonCommercial-ShareAlike 4.0 International License. 2018, FLL Tutorials, Last Edit

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