Ballistic Cart

Meg Chen

University of British Columbia

PHYS 420C (2024)

 

Overview

Materials

Design + Construction

Videos

Lesson Resources

Contact Me

 

Materials

Cart

 

A logo of a letter

AI-generated content may be incorrect.

Train

 

A drawing of a cart

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Track

 

A black and pink rectangle with a white line

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List of Materials

A black and white image of a train

AI-generated content may be incorrect.

(all the measurements are in millimeters)

A black and pink rectangle with a white line

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(Please refer to this Onshape Design Link for more detailed dimensions)

-         Two acrylic strips (3 x 1220 x 20) -> Rails for the cart to move on

-         "Blocker" (laser-cut with 3mm acrylic) -> to keep the train from falling off the track

A drawing of a square with lines and dots

AI-generated content may be incorrect.

-         Screw (around 30mm long) -> to trigger the cart

-         To be inserted in one of the holes on the wood

-         Can use other material available too

-         #8 x 3/4" round head wood screw x 2 -> to attach the blocker to the wood

-         Masking tape

-         Wood (30 x 1220 x 162) -> Base of the track for the train to move on

A long rectangular object with holes

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-         Has holes drilled on it to hold the screw at different points

-         I measured and hand-drilled them with an electric drill, in my design, the holes are 61mm apart

A rectangular object with black dots

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-         Has grooves for the rails to be inserted in

-         I cut them with a table saw

A rectangle with a black dot

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(side view)

TIPS:

1)    When hand-drilling the holes on the wood, drill from the top side to avoid chipping on the good side

2)   Put masking tape on the bottom half of rails so that it's stuck more tightly to the wood

3)    Use masking tape to adjust the height/thickness of the screw