Paperback. Zustand: Good. First Edition. 87 pages. Fourth issue of this journal dedicated to the improvement of model sailplane performance through systematic investigation and research of low-speed aerodynamics, composite structures, airframe configuration, instrumentation, and dozens of other diverse, but related, subjects. Bit of writing on front cover. Average wear. Sound copy.
Paperback. Zustand: Good. First Edition. 65 pages. Third issue of this journal dedicated to the improvement of model sailplane performance through systematic investigation and research of low-speed aerodynamics, composite structures, airframe configuration, instrumentation, and dozens of other diverse, but related, subjects. Bit of writing atop front cover. Average wear. Sound copy.
Paperback. Zustand: Good. First Edition. 94 pages. Fifth issue of this journal dedicated to the improvement of model sailplane performance through systematic investigation and research of low-speed aerodynamics, composite structures, airframe configuration, instrumentation, and dozens of other diverse, but related, subjects. Some soiling to covers. Unmarked. Average wear. Sound copy.
Paperback. Zustand: Good. First Edition. 154 pages. Sixth issue of this journal dedicated to the improvement of model sailplane performance through systematic investigation and research of low-speed aerodynamics, composite structures, airframe configuration, instrumentation, and dozens of other diverse, but related, subjects. Unmarked. Average wear. Quality copy.
Paperback. Zustand: Good. First Edition. 120 pages. Seventh issue of this journal dedicated to the improvement of model sailplane performance through systematic investigation and research of low-speed aerodynamics, composite structures, airframe configuration, instrumentation, and dozens of other diverse, but related, subjects. Unmarked. Moderate soiling. Average wear. Quality copy.
Paperback. Zustand: Good. First Edition. 192 pages. Second issue of this journal dedicated to the improvement of model sailplane performance through systematic investigation and research of low-speed aerodynamics, composite structures, airframe configuration, instrumentation, and dozens of other diverse, but related, subjects. Average wear. Sound copy.
Paperback. Zustand: Good. First Edition. Unpaginated. 3/8" thick. Premier issue of this journal dedicated to the improvement of model sailplane performance through systematic investigation and research of low-speed aerodynamics, composite structures, airframe configuration, instrumentation, and dozens of other diverse, but related, subjects. Average wear. Covers somewhat soiled. Sound copy.