DynaStar Grappler A BIG rocket that is great for very small launch fields. Flies to over 1,000 Feet on an "E" size rocket engine. Skill Level: 2 - Previous Experience Suggested, but Not Required. Length: 45.0" (114.3 cm), Diameter: 2.600" (66 mm) Weight (without motor): 10.0 oz (283.5 gm)