Re: [PSUBS-MAILIST] hydrodynamics question

[Coalbunny <coalbunny@onewest.net>]

Same here.  I'd love to have a copy.
Carl


Marcus Cole wrote:
> 
> At 11:07 PM 5/17/2002 Friday, you wrote:
> 
> > Alec Smyth wrote:
> > >
> > > My design has twin props astern, in tunnels fed by side-scoops (a
> > la fighter
> > > jet). I'm currently making the mold for the stern fairing, and I'm
> > > contemplating the best size and shape for the scoops. Given that
> > water is
> > > essentially incompressible, am I correct to assume the frontal
> > area of the
> > > scoops should be the same as the area of the prop tunnels? Another
> > > possibility would be to eliminate the scoops altogether and go
> > with NACA
> > > intakes or such. But the scoops are definitely sexier.
> >
> > Keep in mind that NACA intakes or scoops will ingest all sorts
> > of floating stuff.  You're gonna have to find a way to screen
> > them -- probably with bars parallel to the flow, because real
> > screens would add significant drag.
> >
> > I have here a paper on pumpjet design.  It's from "Underwater
> > Missle Propulsion," editied by Leornard Greiner and published
> > in the 60s by Compass Publications.    If you're interested,
> > I can try to have it scanned.
> >
> > I'd like to see pictures of what you're doing, too.
> >
> >
> >
> >
> >
> > Mike H.
> 
> Hello Mike,  if you can scan the paper, can i get a copy of it also
> please?  I think others
> would also like to read them, but i can't talk for everyone.
> 
> Marcus

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