Thruster Ladder Posted on December 30, 2018 by Matt WEDNESDAY 020119 With a continuously running clock perform 5 thrusters every minute for as long as possible: From 0:00 to 5:00 use 35/25kg From 5:00 to 10:00 use 43/30kg From 10:00 to 15:00 use 52/35kg From 15:00 to 20:00 use 61/43kg From 20:00 to 25:00 use 70/52kg From 25:00 to 30:00 use 80/61kg