Tell us about yourself!
More diameter means more power. In other words, swept area defines power. But the number of bottles must be increased accordingly. More bottles in a same diameter means more torque and less speed. Clever idea anyways.
Internet of Things Class
Table Saw Class
Air to goodies heat transfer is usually very bad. If water is the heat transfer mechanism it works much better. Have tried to cool cans from ambient temperature and it's almost impossible. Some water can help for sure .