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gckern
01-18-2018, 06:54 PM
Hello,

My father recently gave me a Fahlin propeller and was hoping someone could assist in the identification/restoration of it. What I do know is that:
1. The prop was manufactured by Fahlin
2. The sticker on the prop states that, “ Manufactured exclusively for Nicholas Beazley Airplane Company”.
3. The prop measures about 89 ¾” inches in length.
4. Mounting: 3/8" bolt, 8 hole, 1 1/2" spacing
5. Stamped on the propeller face near the center hub:
• DES.385
• NO. 1194
• WB 650

If you know of any information on this type of propeller and what aircraft it was used on I would really enjoy knowing more. Thank you for your time.

Greg Kern

Dbahnson
01-18-2018, 11:46 PM
See this list (http://www.woodenpropeller.com/MWPFahlin.html).

The "D 385" on that list shows its use on the Arrow F (https://en.wikipedia.org/wiki/Arrow_Model_F) aircraft with a Ford V8 engine.

I checked that number on a different specification list and it looks as if the diameter and hub bolt holes match yours. The bolt holes should all sit on a circle with a diameter of 5 1/4". The Type Certificate under which it was manufactured is TC521.

Note also that your prop has a left hand rotation rather than the very much more standard right hand thread. That's consistent with having a geared engine, which according to the Wikipedia description the Ford V8 had, so I think it's an accurate match.