Re: [PSUBS-MAILIST] Re: Interesting idea

[TeslaTony@aol.com]

In a message dated 11/2/00 5:20:06 AM Pacific Standard Time, 
mholt@richmond.edu writes:

> Why have negative lift?  Let the vehicle be negatively buoyant, and 
>  let the wings provide the lift to keep it from diving too deep.  This
>  idea dates from the early 60s, when the US Navy was talking about
>  building
>  a sub that would soar down for 8000 feet and then back up; the
>  plan at that time was to glide to Hawaii without fuel.  In about 1964,
>  the British Sub-Aqua Club published plans of a wet sub that diver
>  could ride, and soar underwater.

The problem I see with that one is that if the forward motion was stopped 
then you sink. One way around that would be to have ballast tanks that could 
be filled when you want to dive and start flying around underwater or to hold 
a position around something interesting.

>  Want to fly?  There's been at least one flying submarine built (in
>  the early 60s).  It really worked; it had an airplane's N-number
>  and a boat registration.
>  
Was it street legal too?

Anthony