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