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Old 02-24-2008, 02:55 PM   #1
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Spinners

The spinners on some Arado aircraft, e.g., the AR 96 and the AR 396, had some kind of expanding, flower-like front end. Does anyone know what these are or what their function was?
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Old 02-24-2008, 04:59 PM   #2
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Quote:
Originally Posted by muscoid View Post
The spinners on some Arado aircraft, e.g., the AR 96 and the AR 396, had some kind of expanding, flower-like front end. Does anyone know what these are or what their function was?
My guess it was to improve airflow around the cowling and into the engine for better cooling.
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Old 02-24-2008, 06:56 PM   #3
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From what Ive read on it they were used to regulate the variable pitch mechanism for the propellers but not sure exactly on how they work.
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Old 02-25-2008, 04:48 PM   #4
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The Spinner called Rippenhaube. On a Hamilton Constantspeed Propeller the energy for the pitch of the blades comes from the engine oilpressure. The ARGUS propellers take the energy for the pitch of the blades from the airstream at the Rippenhaube. It is a mechanical constantspeed propeller.
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Old 02-25-2008, 05:39 PM   #5
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Great info - thanks Dolpho!
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Old 02-25-2008, 08:38 PM   #6
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Very interesting Dolpho, many thanks
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Old 02-28-2008, 05:53 PM   #7
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more recent Zlin Trainers got a similar working spinner

have a look here:
http://www.moraviation.com/images/zlin_n~1.jpg

best regards
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Old 04-29-2008, 06:35 PM   #8
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This is a scan from the manual of the ARGUS As 410 MA Motoranlage. It shows the parts of the ARGUS-Propeller.
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Old 04-29-2008, 06:39 PM   #9
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This is a scan from the manual of the ARGUS As 410 MA Motoranlage. It shows the parts of the ARGUS-Propeller.
Attached Images
File Type: jpg Argus-Verstellluftschraube1v2.JPG (368.9 KB, 42 views)
File Type: jpg Argus-Verstellluftschraube2v2.JPG (229.7 KB, 41 views)

Last edited by Micdrow; 04-29-2008 at 09:32 PM. Reason: Reduced file size
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Old 04-29-2008, 09:33 PM   #10
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Many thanks Dolpho, I did reduce the picture size for easier viewing. Again many thanks
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Old 04-30-2008, 03:23 AM   #11
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Great info Dolpho and Unix! Danke Euch!
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