Re: HP, weight and visability

[SFreihof <SFreihof@aol.com>]

In a message dated 4/24/98 6:32:09 PM SA Pacific Standard Time,
sanderse@ingenuitygroup.com writes:

<< One disadvantage of the double hull used for streamlining is that there is
a lot of mass 
 (in this case water) within the total hull envelope that the motors have to
start and 
 stop.  Thsi would imply either a larger motors and props to overcome the
inertia, or put 
 up with sluggishness. >>

This is very true, but I wonder if it has to be.  If the outer hull is for
streamlining, perhaps a more standard ballast tank could be incorporated
between the pressure hull and the 'skin' of the outer hull.  The 'dead' space
could be filled with a non-compressable foam like microspheres.  This could
allow all of the benefits while minimizing the drawbacks.

Only a thought, because I'm not a 1 atm designer.  Maybe these thoughts will
elicit some additional comments...

Stan