store your tension!! get ready to...
TRANSCRIPT
STORE YOUR TENSION!! GET READY TO LAUNCH!! How far can you launch an object? Store energy into the Lever by changing the tension of the rubber bands. Program the motor to release the weight of the Lever.
Catapult
Green 2x4Plate
Red 1x16with Holes
Red 1x16with Holes
Step 2You will Need:
Choose the correct ho le .
Step 4You will Need:
Green Flat Tile Green Flat TileYellow 1x6Brick
Yellow 1x6Brick
Yellow 1x4Brick
Yellow 1x4Brick
Red 2x2 Brick
Red 2x2 Brick
Red 2x2Wedge
Red 2x2Wedge
Red 1x2with Holes
Red 1x2with Holes
Red 1x2with Holes
Red 1x2with Holes
Step 10You will Need:
Your Catapult is Built!...Time to Program it!
Load up your Catapult , secure the Lever w ith the Cam, and get ready to launch!
Programming
Start StartTurn Motor This Way
Turn Motor That Way
Motor on for 1 Motor on for 1 Noise #5
Th is program moves the Cam and re leases the Lever of the Catapult . Pu l l the Catapult back down and re load!
Launch! Reload!
1 . M in imize these instruct ions and open the LEGO® WeDo® software.2 . Program your robot with the program above.3 . If you f in ish , open the instruct ions and cont inue to the extens ion act iv it ies !
Extension 1Change the pos it ion of the rubber bands by mov ing the pegs up.
What happens to the Force generated? When is there more? When is there less?
Extension 2Combine the two programs and use the Display Tab to disp lay
launch ing messages!
Start on Key
Display“Fire”
Motor This Way
Motor That Way
Motor on for 1
Motor on for 1
Display Background
Sound Wait for16 seconds
Display“Re-Load”
DisplayBackground