Icarus III This is the third of the Icarus ships sent to the sun to examine suspicious radiation as part of project Minos. While the faith of Icarus I & II remains highly classified, there's no shortage of wild, speculative, theories. The scientists living in the three habitation rings are calibrating the sensitive equipment as we speak. They are ready for final approach. Let's wish them luck! Icarus series vessels fly on anything from D to F impulse class model rocket motors. $26.95  Dimensions Overall length : 29.25" Diameter : 1.637" (BT60) Fin Span : 9.41" Weight : 3.9oz Recommended Motors Estes® D12-5 Single Use Aerotech® E20-7 Reloadable Aerotech® RMS E18-7, E28-7, F24-7 Challenges The three rings around the airframe are cut from a single body tube section. Six rings are cut total. Only three are visible on the rocket as they overlap. This rings are what makes the Icarus III a Skill Level 3 kit. Parts Some of the Icarus III parts include pre-cut balsa fins, plywood centering rings, translucent plastic nose cone, 15" plastic parachute kit.