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DH4 Identification?

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  • DH4 Identification?

    I have had suggestions that this prop may have been on a
    DH4. Any thoughts would be appreciated.

    51 inches from tip to centerline

    Center spinner Circle 14 1/2 inches in diameter at back of spinner and 7 7/8" at front

    Numbers from front of spinner: 1, 1788, 2, 3
    Text on blade:
    DES. H. 56I.X.PFF
    NO. 12386

    bolts centered and 5 1/4 inches apart
    Bolts are 9/32 inch openings
    Center axle 2 5/8 inches
    Depth 4.5 inches
    Blade is 8 inches wide at its widest point
    Leading edges and tips of blades metal covered
    Attached Files

  • #2
    What is the diameter of the bolt hole circle? (See this page.)

    An "X" in a drawing number frequently indicates "experimental". I think the hub is too thin for a DH4 prop, and the overall appearance suggests a more modern application. Most DH4s used a Liberty engine, which would have a much larger hub.

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