Re: A Simpler Sub

[SFreihof <SFreihof@aol.com>]

Hi again Dave;

A blower won't do the job for you because the design you mention is ambient
pressure.  At even a few feet of depth, the blower will not be able to
overcome ambient pressure and your  "canopy" will flood.  The SportSub was
able to use a blower because it is basically a 1 atm design with submergence
measured in inches.

Also, a Brownie Third Lung (the snorkely compressor thing) is not cheap.  A
scuba tank and regulator would cost much less.

Stan

In a message dated 98-03-15 23:49:10 EST, you write:

<< But the snorkely compressor floating in an inner tube thing would be a
 handy way to bypass buying expensive scuba stuff. If I used two fat hoses,
 it could circulate right through and wouldn't even need compressing - I
 could use a blower from a small car. I've actually been thinking of using a
 "training wheels" approach like the AquaSub (now there's a brilliant
 name...) -- big hinged wings with floats that stay on the surface. This
 would mean I could use the same sort of blower system with two hoses too.
  >>