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View Full Version : WWI Seaplane propeller id needed!


samearle
03-10-2015, 11:48 AM
My grandfather was a pilot both in Texas during the Mexican skirmish (1910?), and WWI he was called up and stationed in Essington PA, where there is a seaplane base.

We have this propeller from him, with these markings. Can you help identify it?

My research brought up a Curtiss JN?

Thanks in advance for any help!

https://lh6.googleusercontent.com/-o5TqOK3ZbEE/VP8D096j89I/AAAAAAAANoE/3u2z5nazlLM/s640/image.jpeg

Dave
03-10-2015, 03:56 PM
I can't read the markings from the photo. Can you write them down?

May as well show a picture of the entire prop if you can. Not much to go on yet . . .

samearle
03-16-2015, 09:36 AM
As far as I can tell, it says - S.F. D (or B?) O (0r 6 or 8?) E (or F?) unreadable, then 71. Next line T. M., next 2, next B unreadable 5.

https://lh6.googleusercontent.com/-xI1Pz1MkX2w/VQbOIEO7Z5I/AAAAAAAANog/8QRLFagPxEk/s446/Photo%2520on%25203-14-15%2520at%25203.32%2520PM.jpg

Dbahnson
03-16-2015, 05:22 PM
Still not much to go on, and the picture doesn't even make it clear what direction of rotation it is.

Closest I might GUESS is that the "SF" might actually be "SE", which would be a start. It might be followed by "995 - 71", but that's a guess as well.

The last numbers look like they refer to a length of 8 feet and a pitch of 5 feet, so it should measure 8 feet in length. It's a little too short for a JN4.