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Old 05-08-2016, 01:57 PM   #2
Bob Gardner
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Join Date: Jan 2006
Location: The North of England
Posts: 1,462
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Welcome to the forum!

Your propeller is extremely rare. However, note that it is half of a four-bladed prop, as you can see by the notch in the hub.

It was made for one of the best German fighters of WW1, the Pfalz D VIII of 1918 powered by the Siemens Halske SH3 engine. I only know of one complete prop of this type which is in the Technical Museum in Berlin. A lady in Australia has a single blade like yours. The Polish Aviation Museum in Krakow has a two bladed prop on the SH3 engine fitted to their Albatros H1. And a European Museum has in theory three or four but if they still exist they are likely to be derelict. The boy who cut up the two blades your grandfather gave him is guilty of criminal stupidity and if one of these two blades was the same as yours, he has deprived the aviation world of a complete second example of this very rare propeller.

I should add that at least two replicas have been made for replica aircraft in museums. (If any readers of this post know of any more complete examples, please let me know.)

The data on the prop translates as;

WOTAN The prop maker
(I can't decipher the second row)
160ps SH3 Motor 160hp Siemens Halske SH3 engine
2800D the diameter of the prop in mm.
390 St the pitch of the prop in cm
EDULZUG anti-clockwise rotation in a tractor configuration
NR 8348 (perhaps) The Wotan serial number
T99 The Wotan type number

It is not possible to guess what your prop might be worth. I'm not aware that any have ever come to market. Its value is considerably reduced because it is only half of a complete propeller. You should insure it for $2000 USD although you would not be able to replace it.

I am just finishing the last book in my series on German WW1 propellers. May I use your photographs in the section on Wotan? If so, please tell me your name so that I can attribute the photographs to you.

With kind regards,

Bob
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Bob Gardner
Author; WW1 British Propellers, WWI German Propellers
http://www.aeroclocks.com
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