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I believe this would be in the installation. I was invisioning a
vacuum packed and sealed
bag under a fiber glass cover.
Dean
In a message dated 12/2/2009 5:09:37 P.M. Central Standard Time,
MerlinSub@t-online.de writes:
A 6600
lbs lift bag has still a lot of air in it even if empty..
May you have to
vakuum it a little before you can use it outside to transport on a sub.
<Recon1st@aol.com> schrieb:
> Carsten I am talking an air
bag in addition to the drop weight. For sure
> releasing a drop
weight is the way to handle most all situations. I have
> two
very
> large battery pods 12" dia by 10' and a large
pressure pod for
> electronics. If all three
> of these
were in a fully flooded state, my 200lb drop weight would not be
> enough.
>
> The lift bag would be just an added
safety measure to cover no matter what.
> It seems like a
relatively easy and inexpensive insurance policy.
>
>
Dean
>
>
> In a message dated 12/2/2009
4:22:13 P.M. Central Standard Time,
> MerlinSub@t-online.de
writes:
>
> To open the hatch at -1 ft seems a better
solution = drop weight.
>
> 20 ft = 6 meter depth - hatch
of 2ft diameter has a area of 0,283 m2
> so at 20 ft the pressure
on the hatch wil be stil 1,7 ts.
> Means in even a full dry boat
with just destroyd mbt you have to
> flood it and destroy all the
interior by saltwater..
>
> "If you have air a to blow an
lift bag - means you have still air to blow
> the mbt"
>
> Lift bag is a good thing to have - on shore in store at the car
close to
> the diving spot.
>
> vbr Carsten
>
>
> <Recon1st@aol.com> schrieb:
> > I am
wrestling with enlarging my MBT's for more reserve.
> >
What I am thinking, is for sure I need more, but do I
really.
> > As is I have enough freeboard for normal dive
operations.
> > But am uncomfortable as far as a flooded outer
tank etc.
> >
> > or an entangled situation.
> >
> > I am thinking that a 6600lb lift bag for
emergency use is about
> > as good as it gets. If mounted
as we discussed earlier and inflated
> > from within manually
would do a nice job. That much capability I
> > could
actually surface even under a full flood situation. The idea
of
> > opening the hatch at 20 ft sure seems a lot niceer than
at 350 ft.
> >
> > Any thoughts on
this
> >
> > Dean
> >
>
>
>
>
>
>
>
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