Re: [PSUBS-MAILIST] PSUB Fatalities...View Ports

[DSmith4038@aol.com]

                 On view ports: I have not seen or at least noticed subs that 
have protective round metal bars or cages to prevent collision damage to view 
ports. You see this on the head lights of race cars and off road vehicles.
                  These cages would subtract from your vision but may be 
worth while safety features on "selected" view ports that are the most at 
risk i.e the front ones. You could drive right into a rock wall and only bend 
your crash bars a bit. I would hate to directly shock a view port at any 
depth. 
                  Double view ports may also be a good idea as previously 
mentioned. I have seen this used for other purposes with a clear oil between 
the glass. This way it appears as though you are only looking through one 
pane only. Cost might be a limiting factor for Psubs using this method.
                  Now,  we could borrow some technology from the "Batmobile". 
Press a panic button and the whole sub gets covered in armour plating. "Holy 
seahorses in my jockeys Batman"!!!!! 
Regards Doug