Reviews

• Scratch Black Death By John Partridge (July 6, 2008)

  ( Contributed - by John Partridge - 07/06/08) Since there was not a lot of fin material in my box and since there were a lot of large body tubes, I immediately thought of building a tube fin or ring fin rocket. At the same time, I had plenty of smaller BT sizes and a few smaller nose cones so I wondered about using smaller BT's in the center of the large BT's and making them appear to ...