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UFAG C.I Propeller? 1.4m with Hieronymus 130 PS Markings – Need Authentication

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  • UFAG C.I Propeller? 1.4m with Hieronymus 130 PS Markings – Need Authentication

    Hello everyone,

    I recently acquired a wooden propeller with the following markings:
    • TYPE A.S.BOTH.
    • APPARAT: 369 U.F.A.G
    • MOTOR: 34000 130 P.S. HIERONYMUS

    The propeller is 1.4 meters long. I’ve read that UFAG C.I propellers were typically longer (2.5–3m) for their 130 HP engines, so I’m skeptical about its authenticity.

    Attached are some photos..

    Does anyone recognize these markings? Could this be a reproduction or a propeller from a different aircraft?

    Any help would be greatly appreciated!

    Thank you,
    John

    I have received more information from craftlab.at:
    "This propeller is a model propeller. These were mainly produced for presentation purposes and given to important clients or other individuals involved in the propeller industry.
    With a diameter of 1,400 mm, it is not suitable for any aircraft engine.
    Propellers for the UFAG 369, fitted with a Hironymus Series 34 000 engine producing 230 hp, had a diameter of 2,800 mm.
    I have no doubt whatsoever that this is an original piece from the period 1916–1918.
    Oshar Asboth was a Hungarian-born aerodynamicist whose propeller designs were manufactured in large numbers by various manufacturers. Several patents were granted for his designs."
    You do not have permission to view this gallery.
    This gallery has 6 photos.

  • #2
    Hi,

    It is very difficult, if not impossible, to judge authenticity from photos. If you have reason to believe this, then this model is probably the one described in this patent:

    https://worldwide.espacenet.com/publ...=&locale=fr_EP

    Regards,
    PM

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