7.51" Plastic Nose Cone: 7.51" Plastic Nose Cone fits airframe BT-7.51. This heavy duty, polyethylene plastic, blow molded nose cone is tough and weight balanced for demanding applications. Total Length = 28" Shoulder Length = 6" Weight = 31.5 oz (893 g). This is a polyethylene plastic cone, it takes some special tricks to paint it or add nose cone weight.