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16th Apr 2006, 16:21

#2 (permalink)

stevef

Join Date: Feb 2006

Location: Station 42

Age: 69

Posts: 1,082

Likes: 69

Received 97 Likes on 40 Posts

Interesting! Maybe you could try:

Airscrew Limited.
111 Windmill Road
Sunbury on Thames
Middlesex
TW16 7EF
United Kingdom
Tel: +44 1932 765 822
Fax: +44 1932 761 098
Email: [email protected]
URL: www.airtechnologygroup.co.uk

They're no longer involved with propellers but their tech records archivist might be able to come up with something.

I've done some light research on this but came up with little more than you mentioned, only that the fixed pitch props fitted to the Spitfire before the Airscrew installation were manufactured by De Havilland. You probably know that the AID inscriptions relate to Aeronautical Inspection Directorate standards; as for the Watts Drag N reference, I can only guess that it refers to dynamometer tests.

The prop's totally worthless in my opinion. Tell you what, I'll give you a tenner, just to take it off your hands.