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    Penumbra model airplane plan

    Penumbra  ( 80 in. / 203.2 cm )

    PDF Bitmap Wood Model Airplane Plans (1)

    Penumbra is J. S. Osborne's free flight competition towline glider, a "tail-less" flying wing design that doesn't need horizontal or vertical stabilizers to achieve high performance. The...

    Penumbra Details:
    Type: Glider
    Class: Free-Flight
    Use: Thermal
    Motor: Not-Powered
    Wingspan: 80 in. / 203.2 cm
    Publisher: Aeromodeler
    Designer: J. S. Osborne
    Date: 08/1959
    Plan File Info:
    ID: 83230
    File Size: 1.2 MB
    Downloads: 146
    Comments: 0
    Listing Editor: aeroastro
    Added: 04/04/2015 14:45
    Updated: 29/01/19 02:22:33am

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