Originally Posted by Jimski
So (unless my calculations are crappy crapola) if switching to 0.3 makes you lose roughly 30 fps, you will still gain from 300 to 500 joules at these speeds (including speed decrease), while a 30 fps increase at constant weight will only add 200 joules at 0.2g and 300 joules at 0.3g.
Check your units. You're off by a factor of 1000 (convert grams to kg???)
Have you seen this before: http://cybersloth.org/airsoft/trajectory/index.htm
I'm curious to get your take on it coming from another engineer.