Wooden Propeller Forum  

Go Back   Wooden Propeller Forum > Wooden Propeller Identification > "Early" Wooden Propellers

Reply
 
Thread Tools Display Modes
Old 02-08-2019, 03:19 PM   #1
mgiordano526
 
Join Date: Feb 2019
Posts: 1
Default Attempting to Identify Early WW1 Wooden Propeller

Greetings,

I had the opportunity some years ago, to purchase a genuine early 1900 wooden WW1 propeller with brass sheathing from the widow of United States WW2 and Korean fighter ace James Empey. They had retired in San Antonio, Texas years ago where he passed away, and she subsequently did 6-7 years later.

I have confirmed that the propeller is the real deal, that it is authentic from talking to Kevin Ryan at Hartzell Propellers Inc. We spent a good while on the phone, reviewing the pictures, and confirming that it was a propeller purchased and used by the US Army Signal Corps (see "S.C. 7993" marking on prop).

I am now trying to identify the manufacturer and value of the propeller, It is a beautiful mahogany prop over 8 feet long. The only markings on it are:
N.O. 499
S.C. 7993
8'4" x 5'3"
Attached are four (4) pictures of the prop.
If anyone can shed some light on the manufacturer, age, and value of this propeller, it would be most appreciated.
Regards,
M
Attached Images
File Type: jpg 1. PROPELLER - FULL VIEW.jpg (86.2 KB, 9 views)
File Type: jpg 2. PROPELLER - HUB CLOSE UP.jpg (88.9 KB, 6 views)
File Type: jpg 3. PROPELLER - RIGHT TIP.jpg (85.2 KB, 4 views)
File Type: jpg 4. PROPELLER - LEFT TIP.jpg (86.9 KB, 4 views)

Last edited by mgiordano526; 02-08-2019 at 06:39 PM. Reason: Administrator Request
mgiordano526 is offline   Reply With Quote
Old 02-08-2019, 03:49 PM   #2
Dbahnson
Administrator
Site Admin
 
Join Date: Nov 2008
Posts: 973
Default

Your post was duplicated and I inadvertently deleted the one containing the attachments. Can you please hit "edit" on your post and re-submit the attachments? Sorry for the mistake.

Thanks.
Dbahnson is offline   Reply With Quote
Old 02-08-2019, 07:17 PM   #3
Dbahnson
Administrator
Site Admin
 
Join Date: Nov 2008
Posts: 973
Default

While you can never be 100% certain, I think your propeller was designed for the Standard J1 using a Hall Scott A 7 A engine. You can confirm the engine usage by comparing hub dimensions on this chart. If the bolt holes sit on a circle with a 6 inch diameter then it's almost certainly designed for the Hall Scott engine, not the OX5 that is very similar.

I haven't seen any other props of that design used on anything but the Standard J1, although it's certainly possible that it was. See this link for a prop of identical design and dimensions which was clearly used on the Standard J1.

The "SC" number refers to a Signal Corps number, but is not useful for identification purposes. It certainly appears that the prop has been refinished, both because of the absence of decals and also the polished appearance of the metal sheating on the tips.
Dbahnson is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 10:53 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.