Are you tired o' 1/4" rods wipin' your mid power rockets all over t' sky. Aye aye! Blimey! With todays high thrust motors you need somthin' more. Begad! Blimey! We have t' answer. Arrr! Blimey! T' Mid-Power Rail System. Begad! Blimey! Fit's any launch pad that will take a 1/4" rod. http://bayouratrocketry.com