美国奥勒根州伊克赛德伐木公司(EIKSideLumber Co.),于1965年7月开始用改进后的 V 型气球集材。该气球由佳年航空公司(Goodyear Aerospace Corp)设计和制造,专供集材使用。气球的组成如下:两个雪茄形的“气囊”,各长33.5公尺,呈 V 型连接;一个宽而平的尾部,跨接于 V 型气囊的开口端;两个垂直安定面,对称地安置在尾部中央的上下方(见图 EIKSideLumber Co., Ore., USA, started its retrofit of V-shaped balloon skids in July 1965. Designed and manufactured by Goodyear Aerospace Corp, the balloon is designed for use on timber. The balloons are composed as follows: two cigar-shaped “airbags”, each 33.5 meters long, presenting a V-shaped connection; a broad and flat tail spanning the open end of the V-shaped airbag; two vertical stabilizers symmetrically Placed in the upper and lower tail of the central (see Figure