Slingshot Gas RiggerThe Slingshot was in the R&D stage for 9 long years prior to deciding to release it to the public. The Slingshot is extremely stable, turns on a dime and is very fast. The Slingshot Kit is cut from a CNC laser with exact precision. All skins are 1 16'' 3 ply birch aircraft grade plywood, and the frames are 1 8'' 3 ply birch plywood. The kit comes complete with engine isolators. You can buy the kit with or without a fiberglass cowl. An instruction