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Old 05-30-2015, 08:24 PM   #20
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Join Date: Nov 2006
Location: France
Posts: 619


If the prop has been made by Régy, it would have a "stamp" on the blades (each side of the hub) like those:

They read: "Les Fils de Régy Frères" (The Sons of Régy Brothers) and "HÉLICES RF" (RF PROPELLERS).

They could be very faint.

If they are not there, it would say, IMHO, that the prop has been made by a licensee in France or in England.
Bob could have more info: why there are no batch and prop numbers (if made in England) and why measurements are feet and inches (it seems to me that in the WW1 era, English props measurements were ine millimeters). It could be because it was made in France (and French prop makers thinking about feet and inches easier or mandatory in England?).

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