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Date: Tue, 21 Feb 2006 00:42:29 -0500
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Subject: Legacy - Ventral fin? -- Lancair Builders New Post/Thread Notification
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Hello from Lancair-Builders.com,

keithf has just posted in the Legacy forum of Lancair Builders under the title of Ventral fin?.

This thread is located at http://www.lancair-builders.com/forum/showthread.php?threadid=65

Here is the message that has just been posted:
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The ventral fins on the Learjets are, I think, primarily designed to provide a pitch down moment at high angles of attack.  T-tail aircraft are prone to deep stall and since the ventral fins are in undisturbed airflow, they remain effective without much if any drag penalty in cruise.  There is a Bonanza mod that consists of a couple of small ventral fins that is designed to provide more yaw stability. From what I've heard, they don't do much.
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