Since I deemed that any thermal effects would have been negligible, if any at all, I chose not to use one that equated thermal effects, as this would have unnecessarily confused matters. I'm not sure you understand what adiabatic means. Adiabatic means there is no heat gain or loss in the process -...

Hi, I'm new here, but I'm a friend of btrettel. I'm also a mechanical engineer, and, coincidentally, I do a lot of work on homemade spring powered systems like these. While we tend to shoot homemade Nerf darts, the mechanics are nearly identical (main differences in internal ballistics come from air...