icebreakr 3159 Posted August 20, 2011 http://www.armaholic.com/datas/users/tkoh_gc_1280x800_5_4.jpg Will you be able to simulate the air mass around those tall skyscrapers, BIS? This might be a good reference for your work to see how to do it properly: http://www.condorsoaring.com/ Share this post Link to post Share on other sites