Budget Friendly Wind Tunnel

Make a cheap wind tunnel.
Supplies
- Card board
- Newspaper
- Exhaust fan
- Glue
- Tape
- Misc tools like knife, scissor etc
Make the Shape




- Cut cardboard around exhaust fans
- Glue and tape as shown
Make the Laminar Flow Maker




- Cut strips of newspaper and make a net at the flow entry.
Make Entry



- make entry reducer and stiffener.
Misc





- Make the looking window
- add a black background
The Smoke Maker


Cut a plastic box and connect with bent pipe.
Put non-toxic smoking items inside. like cartons of eggs etc.
Models


Use 3d printed cars or bent plastic as models
Pictures


Thats it!
Adjust speed of the wind and take pictures of the items.