DIAMETER : 4 inches
LENGTH : 84 inches
MOTOR MOUNT : 54mm
PARACHUTE : 45 inches
RECOMMENDED MOTORS: H-J

The 54mm SENTINEL comes standard with all of the high quality components that the 38mm kit comes with but substitutes a 54mm motor mount to handle those bigger motors. This model is HYBRID READY! (approx. empty weight 3lb. 12oz.)