Re: [PSUBS-MAILIST] Propane sub

[MerlinSub@t-online.de (Carsten Standfuß)]

CWall@swri.edu schrieb:
> 
> > I anticipate launching and
> > recovering unassisted and at uninproved facilities like beaches.  I place a
> > premium on low trailering weight.
> 
> On another Email you told you want to fill the ballast tanks with water
> before you put the sub out of the water to prevent that the propane goes down the
> street, right ?
> I found it difficult on most beaches and ramps  to get my small sub out
> and in the water with the tanks complety filled with air.. Your sub with the
> tanks full of
> water..
> 
> *******************
> 
> Incredible.   Do you really think I'd try to lift full ballast tanks out of the
>  water?  Don't you understand the concept of simply purging the ballast tanks
> with water but leaving the vents open so they can drain as the boat comes out?
>   Are you REALLY that stupid?

I am not worry about - to lift the submarine with the water payload.. 
I understand your concept of .."leaving the vents open".  
and I am also not worry about that your sub  will m-a-y-b-e capzied over 
the stern on the ramp if you go slow and the bow tank is out of the
water 
and just dry and the stern tank is still underwater and filled, vale
open
and the center of graphity is maybe still behind the weels.  
- but I am worry about, for example on a 1 to 12 beach or ramp you need 
to go 12 x 1 feet = 12 feet more way offshore  for each 1 feet more
draught. 
May you have a look in the archive files  for the thema "trailer" and
length of ramps
and found some files discussions about trailers with aditional
bouancy-tanks.

I am also not worry that your, about 18 feet long 24 inch diameter,
longe range,
travel for days, slow speed, slow diver, shallow water, good weather, 
change prop in the water, lost the splint, waste the weekend, 
propane in the tanks, not going to much away from the shore sub 
can capzied - just at the moment near the beach at the time you open   
open the dome to leave - stand upright, ballast tanks filled - no or
very small
waterlinearea - and for this reason - small surface stability - sub.  

> 
> Yes, I understand what free surface effects are- and again, you frickin' can't
> read, because I already said I'd have positive floatation with completely
> flooded ballast tanks, and use only trim ballast for the dive.
> 

Look at : http://www.sea-rescue.de/janheweliusz-photos.html
middle of the page : Photo Serie 3  

This ferry has ..positive floatation, free surface (on the car deck) 
and is .. stable. I understand that you not understand the difference 
between positive floatation and positive stability. 

> 
>  Craig Wall

I am absolut not worry with you Craig. But if you manage to build a
submarine
to the concept you offer to us - and if you want later to sell this sub
- perhaps
after a half summer or some years in the garage - via the internet - 
than, I am sure somebody will send a message to the potential purchasers
like this: 
"Hi guys look at the long time storage Psubs.archive files for 
"Propane sub" to learn more about this guy and his famous submarine." 

And I can translate "stupid" and "silly" without my dictionary 
and will never use it on this group to anybody. But maybe you 
can help me to translate "Vollidiot" so I can give you a more private
response. 

And Craig I am sure that y-o-u are not worry about - that this was the
last 
Email you get from me at Psubs.  

very best regards, Carsten