This is Randy, me hearties, Owner o' Always Ready Rocketry, shiver me timbers, this is me Blue Phenix Sr. Arrr! kit that I offer on me website. Ahoy! This one is slightly modified t' accept a much longer motor. This flight is on a K700 White Lightning, ya bilge rat, Altitude was 5935. It is a 4 inch kit and utilized me Blue Tube airframes.