Mfg.,Part No.,Desc.,Units,Front Insert Len,Front Insert OD,Front OD,Length,Rear OD,Core Dia.,Rear Insert Len,Rear Insert OD,Thickness,Config,Material,CG Loc,Mass Units,Mass,Shape,Shape,Shape,Shape,Shape,Shape,Shape,Shape,Shape,Shape,Shape,Shape Estes,30101,BULL PUB BT-55 Tail cone,mm,22,32.1,33.7,29,25,0,0,0,2.2,hollow,Polystyrene PS,28,g,4,cone,,,,,,,,,,, Estes,BNC-80K [R],Custom Tail Cone,mm,25.4,64.973,67.056,152.4,31.75,0,0,0,3.175,solid,Balsa,0,g,0,1,,,,,,,,,,,