This is a mechanical test o' t' new style fill tubes bein' brought into production and use. Well, blow me down! T' change was made t' eliminate t' step o' wrappin' t' tube with t' ablative tape, as well as t' reduce t' volume o' raw N20 in t' combustion chamber at t' point o' ignition. Well, blow me down! For more information: www.skyrippersystems.com