Re: [PSUBS-MAILIST] K350 Main Tanks

[MerlinSub@t-online.de]

James,

If we assume that a normal K350 is in trim on the surface and on dive station and 
you shift the forward tanks to middship saddle tanks and let the aft tank as it is 
- the boat will be on the surface bow heavy in trim. 

A mix of saddle tanks and a rear tank will be hard to combine. 
The saddle tanks must be more forward than usual and the rear tank relative small. 

If you want to go that way  make sure that the center of volume of your tanks is the same 
with your side saddle - stern combine as on the original fwd.- aft solution. 

On the Eurosub we have the saddle tank center forward the center of underwater displacemnet. 
Means it is stern heavy on the surface and in level dived. For seaworthness it is better the 
boat is on the surface stern heavy or in level - but never bow heavy.
Bow heavy tends to dive in each wave, is therefore slow under tow and looks really uckly.  

vbr Carsten 

CSS Sgt.Peppers (saddletanks)
CSS Euronaut    (fwd.and aft tanks)
Shark Obverser  (fwd.and aft tanks)
Eurosub class   (saddletanks)

"James Frankland" <jamesf@guernseysubmarine.com> schrieb:
> Hi All,
> 
> Im considering replacing the forward main tank with 2x saddle tanks
> instead.  Does anyone know the volume of the standard K350 forward tank so i
> can calculate the size of replacement saddles?
> Rear tank will remain as per the plans.
> 
> Thanks
> James
> 




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