Recent content by DruJohnson

Hello I am currently building a water rocket. I would like some help on finding the equation for the force that is exerted when I add air pressure to an cylindrical tube filled with water. How can I figure out the force that the water would create when I release it. I hope that someone can help...

Thank you. I will try the solenoid idea out.

I am currently working on a quick release latch that is using an electromagnet to open the latch. I currently have a spring attached to a bolt latch. I would like the electromagnet to be able to counter the force of the spring opening the latch. the force of the spring is about 9 Newtons...