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Old 04-14-2019, 10:09 AM   #1
BrokenWing
 
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Default French Serie 540

I have photographed the next wooden 2 blade propeller and made the pictures public in another flickr album

look here for the full set of pictures if you would (thanks) : https://flic.kr/s/aHsmxocGB1

I initially had not noticed the numbers on the side as they are extremely faint and (as you'll see) very tricky to photograph.

I have drawn them out "SERIE 540" "NUMERO 16234" and then a strange maker's mark ...I hope this helps their identification and is furthermore of interest to the forum.

The propeller measures 254cm (pretty much 100inches bang on) has 8 holes, a hub diameter of 7 an half inches or 19cm and it has a depth of 5 and a half inches or 14cm.

The number appears to not be on your current database!!

Any help on identifying the makers and aircraft would be wonderful - many thanks in anticipation.
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Old 04-14-2019, 11:11 AM   #2
Dbahnson
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It's French, and I'm not at home where I can look up that "Serie" number, which identifies an engine and aircraft usage. It's almost certainly WW1 era, not "modern" category.

Unfortunately, it too has been hacked up for a hub instrument of some kind.
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Old 04-14-2019, 11:17 AM   #3
BrokenWing
 
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Thanks for getting back so quickly...

I'll be very interested if you can unearth more info on the piece when you are able - cheers

(and yes I think the original thread was posted in the WW1 era part of the forum, but was moved after you identified that first one to be a modern prop - sorry I didn't notice until after following up with this more recent post)

brilliant site - very impressed with the knowledge you guys have!
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Old 04-14-2019, 01:42 PM   #4
Bob Gardner
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Well, I too am away from my databases. We must await Dave or Pierre-Michel looking up your serie numbers. SFA is the French airworthiness stamp. The shape of the blade is very familiar and I believe it was used on British and French aircraft which used the Hispano-Suiza engine, such as the British SE5A.

With kind regards,

Bob
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Old 04-14-2019, 01:57 PM   #5
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Postscript,

Don't worry too much about the damage to the hub. It is a common affliction where props had clocks fitted to them in the 1920s and is typical of the age. It is part of the history of the many of these props. If you wish, you could employ a cabinet maker to cut a smooth finish to the damage and to then insert a wooden plug, complete with drilled bolt holes. But it is a good looking prop from a famous WW1 aircraft, in typical condition of the age. Enjoy!

With kind regards,

Bob
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Old 04-15-2019, 06:53 AM   #6
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Hi,

Infortunatly, the Levasseur serial 540 is not in the "French papers" where there are the correspondance between serial number and destinated aircraft...
It is a "late" serial (designed after the end of 1917). This serial 540 is in "American papers" but without any destination indicated. The only way to know for wich aircraft it was made is to read the markings on the opposite side where there are serial and prop number. Could you take and post a very clear picture of this side?
Another "trouble" is the length you measured is very different from what is written in "American papers": 254 cm vs 272.

Regards,
PM
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