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Old 11-06-2020, 09:21 AM   #1
Wincharger Mike
 
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Default Fahlin D-791

Can you tell me the plane and engine for this prop. I didnít see it listed on your Fahlin webpage. Also, why did they get chopped off? Prevent use when damaged? Great website.
Thx
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Old 11-06-2020, 10:25 AM   #2
Dbahnson
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That's a "test club" and nothing has been chopped off. It is used to provide drag on an engine being run on a test stand and is purposely inefficient, as you'll notice that the blades are a fixed angle rather than changing pitch along the blade, as all aircraft mounted props do.

It's stamped for the Continental R 670 engine and is not specific to any aircraft make and model, just the engine itself.
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Old 11-06-2020, 10:37 AM   #3
Wincharger Mike
 
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Interesting, thanks for the quick reply. Any idea year itís may have been used?
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Old 11-06-2020, 12:13 PM   #4
Dbahnson
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No, I don't. It was likely manufactured in the 40s or 50s and could conceivably still be used, since I don't think it has to be airworthy for its purpose as a test club.
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Old 11-06-2020, 12:19 PM   #5
Wincharger Mike
 
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Thanks
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