[PSUBS-MAILIST] Yellow submarine

Dear Psubbers

I found in Internet some pictures of a yellow submarine, looks like a marlin 101 or M-102 in a Zoo in Phillipines the Baluarte Zoo near Vigan city. Does somebody knows it this is a Marlin sub or has some information about this submarine? It should be a treasure hunting submarine.

Best wishes

Juergen

Von: "MerlinSub@t-online.de" <MerlinSub@t-online.de>
An: personal_submersibles@psubs.org
Gesendet: 12:27 Montag, 31.Oktober 2011
Betreff: Re: [PSUBS-MAILIST] steel to aluminum

I have nothing heard about special corrosion problems.

The bonding of the at least 3 different layers of metal is in a mechanical way by the explosion schock wave caused.
Under it microscope it locks a little like a velcro tape conection.
I saw test stripes which was bended 180 degree turn around without any cracks betwen the metals.

But I belive if you rivet alu and steel together the old way you get much higher corrosion problems..

vbr Carsten

"ojaivalleybeefarm @dslextreme.com" <ojaivalleybeefarm@dslextreme.com> schrieb:
> Hi Carsten,
> Is there not a corrosion problem with the dissimilar
> metals?
>
> brian
>
> On Sun, Oct 30, 2011 at 1:37 PM, <MerlinSub@t-online.de> wrote:
>
> > The connect bond bar must be around three times thicker than the wall you
> > want to connect.
> > The mid area of the bond is pure 99% aluminum with a low tensile strength.
> > Welding process must be very carefull the stuff tends to give way with
> > more that 350 degree C in the center.
> > You can not make a pressure tight compartment fom it.
> > Because you can weld such a bond pure longitudinal buit not vertical on
> > the conections between two bars.
> > And the bars length is limited to around 2-4 meters.
> > The stuff is expensive..
> >
> > vbr Carsten
> >
> >
> > "ojaivalleybeefarm @dslextreme.com" <ojaivalleybeefarm@dslextreme.com>
> > schrieb:
> > > Apparently this is done on large ships, the coast guard has ships that
> > are
> > > aluminum on the top half and steel below.
> > >
> > > Brian
> > >
> > > On Sat, Oct 29, 2011 at 7:12 AM, <vbra676539@aol.com> wrote:
> > >
> > > > Sure. It isn't new. I don't know anything about it beyond the fact
> > that it
> > > > can be done. Sounds expensive, though, doesn't it?
> > > > Vance
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: ojaivalleybeefarm @dslextreme.com <
> > ojaivalleybeefarm@dslextreme.com>
> > > > To: personal_submersibles <personal_submersibles@psubs.org>
> > > > Sent: Sat, Oct 29, 2011 6:03 am
> > > > Subject: [PSUBS-MAILIST] steel to aluminum
> > > >
> > > > Has anyone ever heard of this ?
> > > >
> > > > http://www.pacaero.com/products/explosive-welding-metals.htm
> > > >
> > > > Brian
> > > >
> > >
> >
> >
> >
> >
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