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Re: [PSUBS-MAILIST] Re: Nemo's Nautilus Concept Plan



I see what you mean Joe. But I would still build a bottom gopher hole and skirt it like you said so I could get out the bottom even if the hull was sitting on the bottom.
 
A lot better option than ruining your interior. Then if for any reason you could not get out the bottom hole only as a last resort would you have to flood it and exit the top hatch.
 
So you might want to install a flood valve and a gopher hole. That way you have both. As far as storage goes, make your bottom hatch below your seat so it is not in the way of batteries or ballast.
 
 
Bill.
 
 
Sent: Friday, October 28, 2005 5:12 PM
Subject: Re: [PSUBS-MAILIST] Re: Nemo's Nautilus Concept Plan


Hi Bill,

Yes I thought of this scenario and here is my rational for having the flooding option. I expect to be ballasted to remain upright and there just may not be enough room under the boat to get out.

I see two options for not flooding the boat in a ballast tank failure scenario. One is the bottom hatch you mention, assuming there is room to get out and you have enough ballast control to keep her from listing to one side, depending on the nature of the failure and the bottom topography where this is occurring. The other is a watertight bulkhead (lockout chamber) and the top hatch.

I am trying to keep her under 10' beam and light enough to be pulled by a monster pickup. Albeit with a specialized trailer and wide permit but, offhand I think the lockout chamber would put me over the top.

That having been said, It would be neat to put in a real hatch on the bottom with a small skirt. Then you could close the top hatches on the surface, open the bottom hatch and in you go just like the movie version. I think I am going to need the floor space for batteries and or tankage.

Joe