Re: [PSUBS-MAILIST] Dry Ballast

["Øystein Skarholm" <skarholm@gmail.com>]

Like i said........this is no place for the easy answers ha ha ha ha
Put the air inside the sub !!!!!!!

On 2/14/07, MerlinSub@t-online.de <MerlinSub@t-online.de> wrote:
> http://www.psubs.org/faq.html#bouyancy
>
> To get an air bubble of 1 m3 to sink you need
> 1 t of steel in freshwater. In saltwater you need about
> 1,025 t of steel.
>
> For the reason that the steelballast itself has also an displacement
> of 1000 liter / 7,86 density steel = 127 liters bouancy - you need
> additional 127 kg of steel (with a volunme of 16 liters.. )
> to sink this 16 liters displacement you need 2kg steel with a volume of..
>
> So to sink just the airbubble in freshwater is 1 t steel.
> To sink the airbubble and the steelballast about :
>
> 1000 kg steel
> +127 kg steel
> +  2 kg steel
> ------------
> 1129 kg steel
>
> right ?   Carsten
>
>
>
> "Ludvig Langborg" <givdul90@hotmail.com> schrieb:
> > Hi!
> > Im doing some calculations on a sub idea i have and I wounder if anyone of
> > you knows exactly how much steelballast it is required to get for example 1
> > cubicmeter of air to sink.
> > Best regards:
> > Ludvig Langborg
> >
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--
Best Regards
Øystein Skarholm
www.ubat.no




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