Recent content by Paul Duncan

Thanks for the responses Andrew and Drakkith! I can't believe I forgot about the difference between an elastic and inelastic collision. Due to your input, I have decided to use a 90mm long pin which screws into a flexible rubber isolator which then screws into a 2.5kg 'piston'. Thus when the...

Hi all, I'm having trouble working out how much energy will have to be dissipated in a test rig for a nail gun. From previous testing, I know that a test slug fired from the gun has a mean energy of 100J. I now want to design a test rig which can fire the gun repeatedly for 100,000 shots. I...