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Old Nov 25, 2012, 04:33 PM
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France, RA, Cormaranche-en-Bugey
Joined Feb 2011
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Propeller modification - leading edge notches

Hi !

Anyone has read this one:

http://soar.wichita.edu/dspace/bitst...pdf?sequence=1

I was very interested by the leading edge notches mod.

So I've tried it today in my wind tunnel, on a APC 9x6E.

Here's a sum up of the experiment :

http://aerotrash.over-blog.com/artic...112827140.html

I've noticed no difference at all...

Does any one have a idea why ?

BTW I'm not sure how to understand the results of this mod as shown in the thesis (page 29 for the detail of the mod - results figures 40,41,42 and 64, 65).

Guillaume
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