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Page 1

Ping-Pong Ball Launcher

™

Tape or glue the angle finder (

) (from step

16) onto the 90mm dowel on the launcher.

The straight lines on the side of the angle

finder must be parallel with the dowel

Step 17:

Attaching The Angle Finder

Step 18:

Using The Angle Finder

Make sure that the wire hanging in

front of the angle finder (

) is per-

fectly straight. Set the launcher on a

table top. The angle of the launcher

is the number the wire falls to on

the protractor.

Содержание Ping-Pong Ball Launcher

Страница 1: ...Unleash Your Creativity Example Ping Pong Ball Launcher ...

Страница 2: ...ide Stop Material 2 Inches Additional Equipment Needed Part Description QTY TeacherGeek Easy Engineering Tool Pack 1 Additional Supplies Needed Part Description QTY Ping Pong Ball 1 String 1 roll Rulers 1 student Masking Tape 1 roll Paper Clips 1 student Card Stock Sheets heavy weight paper 1 student SAFETY GLASSES 1 student Think Safety Wear safety glasses when working on or using your launcher P...

Страница 3: ...ur first idea is rarely your best TeacherGeek Easy Engineering Series products are designed to be redesigned they allow you to quickly change and evolve your designs Because possibilities are endless TeacherGeek Easy Engineering Components can be easily combined with other materials and products Raid the recycling bin wood metal broken toys etc Kit Can Be a Bad Word Other Documents That Will Help ...

Страница 4: ...ess fit with dowels Dowels and Holes A press fit is one where the dowel is fixed and not able to rotate or slide once it s in the component hole A press fit is good for creating rigid structures Press fits are good for structural connections Press fits are good for gears pulleys and levers that turn together on the same dowel axle Slide Fit Loose Fit The Loose Reamer cre ates a hole that is larger...

Страница 5: ...amed holes Slide Stop Material comes in long lengths It must be cut into 6mm 1 4 sections before it can be used Slide Stop Material keeps components with loose reamed holes from sliding back and forth on dowels Screws can be used to attach two components together The hole the screw will enter first must be reamed loose The hole the screw will enter second should not be reamed Turn the screw into b...

Страница 6: ...45mm 45mm 45mm 45mm 45mm 45mm 90mm 25mm 180mm 150mm 150mm 45mm Cut your dowels to length Dowel Length Dowel Quantity 25mm 1 45mm 8 90mm 1 150mm 2 180mm 1 60mm 60mm 195mm 195mm 52 5mm 120mm Cut your link strips to length Length Quantity 52 5mm 1 60mm 2 120mm 1 195mm 2 Step 1 Cutting dowels Step 2 Cutting Link Strips ...

Страница 7: ...y Fasten the two 195mm linkstrips A and B to the 52 5mm linkstrip C with 2 screws Fasten 2 perpendicular adaptors D and E to the 195mm link strips A and B using 2 screws Place dowels into linkstrips as shown Push the 45mm dowels down below the linkstrips into perpendicular adaptors from step 3 D and E and new perpendicual adaptors F and G 1 2 1 2 1 2 1 2 A B C B A C D E 195mm 195mm 52 5mm 195mm 19...

Страница 8: ...e Ping Pong Ball Launcher Step 6 Assembling The Body Place the reamed perpendicular adaptors from step 5 B and C and two 60mm linkstrips D and E onto dowels F Step 5 Reaming Loose Holes L Ream hole A in 2 perpendicular adaptors Use the loose reamer Step 6 Finished A x2 C B F F F F D E ...

Страница 9: ... 7 Reaming Slide Holes Ream holes A and B in a perpendicular adaptor Use the slide reamer Ream holes C and D on the the the launcher body Use the slide reamer Step 8 Finished Place 45mm dowel E into a perpendicular adaptor F Place the assembled 45mm dowel and perpendicular adaptor G into the launcher body H 2 1 2 45mm 1 1 2 1 2 A B D C E F G H ...

Страница 10: ...180mm 150mm 120mm Assemble the 150mm dowel A 180mm dowel B 120mm link strip C and 3 perpendicular adaptors D as shown Create a pivot point placing 25mm dowel F through 2 perpendicual adaptors E on either side of linkstrip C 1 2 2 Finished Step 9 Assemble The Base Step10 Attaching THe Base To The Body Use the slide reamer to get components to slide onto the dowels 1 1 A C B D D D C E E F H I ...

Страница 11: ...Step 12 Assemble and Mark The Ram 1 2 Fold over the assembly from step 10 onto itself Slide the perpendicular adaptor A onto dowel B 1 2 2 Place a 10mm section of slide stop material C and a perpen dicular adaptor D on the end of a 150mm dowel E Draw a black mark on the dowel every 5mm starting from Marks Every 5mm A B D C 1 2 1 E ...

Страница 12: ...cher Activity All Rights Reserved Page 12 Ping Pong Ball Launcher Step 13 Inserting The Ram Step 14 The Rubber Band Step 14 Finished 1 Insert the ram A from step 12 into the loose reamed holes in the launcher body B 1 Attach the rubber band C A B C ...

Страница 13: ...actor D from the Launcher Protractor Sheet Punch a hole in the middle of the circles in the upper left hand corner of the protrac tor You can download additional protractor sheets at http www teachergeek org protractor pdf best printed on cardstock Place the hook end of the wire into the hole in the corner of the protractor 3 3 2 You can change the angle of your launcher by sliding the perpendicua...

Страница 14: ...m dowel on the launcher The straight lines on the side of the angle finder must be parallel with the dowel Step 17 Attaching The Angle Finder Step 18 Using The Angle Finder Make sure that the wire hanging in front of the angle finder C is per fectly straight Set the launcher on a table top The angle of the launcher is the number the wire falls to on the protractor F C ...

Страница 15: ...umbering The Ram Markings The markings on the ram allow you to measure the distance the ram is pulled back prior to firing It is a good idea to sequentally number the ram marks You can use them to adjust the power of the ram and to fire consistantly It s time to start shooting ping pong balls Your Launcher is Complete ...

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