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RE: [PSUBS-MAILIST] Concrete Sub Hybrid



Brent,

Not a sub, but FLIP goes vertical.  Always seemed weird intentionally flooding
most of one's boat.  But it is pretty cool.  It's stable in the vertical position as well, which is kinda the point.  No propulsion though.

http://sio.ucsd.edu/voyager/flip/index.html

-a

-----Original Message-----
From: owner-personal_submersibles@psubs.org on behalf of Brent Hartwig
Sent: Thu 1/29/2009 6:44 PM
To: PSUBSorg
Subject: [PSUBS-MAILIST] Concrete Sub Hybrid
 



Hi Brian,  

I can understand the confusion since I just recently figured that one out. ;)'   I didn't ask about it, since I figured you had explained it in the list at one point, and I planned on going back and seeing what you had said.  

I think I might of finally figured out a way to make my Batic THUWG go vertical either nose up or nose down when fully submerged. But I think I might just add that feature on the second one (if it gets built) to keep things simple(er).  Why you ask would I want to make the sub go vertical when submerged. Well because it's fun would be the shortest answer.  What's good for a reed fish is good for me.  Dancing with whales will be a blast.

Regards,
Szybowski




From: ojaivalleybeefarm@dslextreme.com
To: personal_submersibles@psubs.org
Subject: RE: [PSUBS-MAILIST] Side Thruster Removal on K-250 #118
Date: Thu, 29 Jan 2009 07:50:21 -0800








Frank, Technically my sub is not really a 
concrete sub, it's a hybrid.  Only the main ballast, which is for surface 
transit, is made out of concrete (ferro-cement).  The rest will be 
steel.
 
Brian

  -----Original Message-----
From: 
  owner-personal_submersibles@psubs.org 
  [mailto:owner-personal_submersibles@psubs.org]On Behalf Of 
  ShellyDalg@aol.com
Sent: Wednesday, January 28, 2009 8:06 
  AM
To: personal_submersibles@psubs.org
Subject: Re: 
  [PSUBS-MAILIST] Side Thruster Removal on K-250 #118


  Hi Brent. Your sub was built a long time ago, and I'm sure the available 
  paints have gotten better since then. The grey paint is probably a zinc rich 
  coating if it's still in good shape after all these years. I have some paint 
  called "zincalate" that we used all the time when I was working and it lasts 
  many years. I have a friend who used it on a small metal ladder for his live 
  aboard sail boat, and it was still good after 5 years, submerged in salt water 
  for long periods. It's not cheap, but works. Will you be doing your own 
  sand blasting? I'm not at that stage yet, but will probably rent a blaster 
  when the time comes. Brian from Ojai may want to get together with us 
  when you visit. He's building a concrete sub. Frank 
  D. 

  
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