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Re: [PSUBS-MAILIST] Hull design

To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Hull design
From: David Buchner <buchner@wcta.net>
Date: Mon, 14 Aug 2000 08:30:45 -0500
In-Reply-To: <NDBBIJLJKLBPHFFHLLPAEEKPCCAA.wacarson@interchange.ubc.ca>

>Has anyone ever built or does anyone know anything about a high speed
>laminar flow type hull [....]
>The opposite of a tear drop shape).  I am wondering how one might overcome
>the dynamic stability problems. [....] Laminar hulls are very
>prone to flow separation when they are turned out of the flow path and tend
>to "skid out" (they just keep turning and never come back.  That's not
>exactly a technical term, I just made it up because it's pretty descriptive
>of what happens). 

I think I get it. Like pushing a shopping cart backwards, right?

You're talking about a teardrop going pointy-end first, correct? Why wouldn't the fins do the trick? Maybe I'm not getting it; maybe I need a diagram...


-- 
David
Osage MN USA
buchner@wcta.net - http://customer.wcta.net/buchner

Follow-Ups:
- RE: [PSUBS-MAILIST] Hull design
  - From: "Wade Carson" <wacarson@interchange.ubc.ca>

References:
- [PSUBS-MAILIST] Hull design
  - From: "Wade Carson" <wacarson@interchange.ubc.ca>

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