Mercury Engineering - Grave Danger

Mercury Engineering - Grave Danger -Undefined-

Mercury Engineering Grave Danger By Mark Rose (September 1, 2008)
Brief: A simple mid-power 3 fin, 29mm MMT, stubby rocket. I believe this rocket is meant for those "graduating" from the Estes low power and want the next step up in materials and capabilities. My 9-year old daughter chose this as a birthday present and as her first mid-power rocket. She loves the thing so darned much I cannot get her to fly it a second time! ...