neil_w OpenRocketeer TRF Supporter Joined Jul 14, 2015 Messages 16,642 Reaction score 11,416 Location Northern NJ Oct 13, 2020 #1 Fire up your sim program of choice and have at it! C18W D20W (sorry if this is old news)
5x7 Well-Known Member Joined Jan 19, 2009 Messages 948 Reaction score 118 Oct 13, 2020 #2 Something may be wrong with the C18, I have a t:w of 6:1m (9oz rocket) but a guide speed of 0.0.