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Re: [PSUBS-MAILIST] Sean, radar
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http://www.silenthunter.dk/link.asp?menu=Forum/forum_choice.htm&doc=http://www.silenthunter.dk/article/UC3/1/UC3_1_1.htm
http://www.euronaut.org/index.php.html
;-) Some Big Toys - Carsten
Dan H. schrieb:
>
> Sean,
>
> I now understand you definition of a Personal Sub better. But really.......
> How many Euronauts are out there, and how many are likely to be out there in
> the future?
>
> Carsten shouldn't be compared to the Wright Brothers because his technology
> already exists. But you have to admit, Carsten and his project is right up
> there with Howard Hughes and his Spruce Goose. I am not, for one second,
> comparing the Euronaut with the Goose itself. I'm sure the Euronaut will
> see a active life and not sit in moth balls. What I am comparing is the
> size of the personal undertaking.
>
> If your dabbling in the P-sub world is only as a "design exercise," you may
> have use for a radar "design." You can design as small or as large a boat
> as you desire. If your using Auto Cad or something similar, you don't even
> have additional paper costs in a large sub, six crew members or even more.
>
> In the real world, with real steel and real water, Carsten and his project
> it far and away an exception to the P-sub sized project. So here it is. I
> stand corrected.
>
> In the real world of Personal built and owned subs, with the exception of
> the Euronaut, there is no need for radar on a personal submarine because
> they aren't far enough off the surface of the water to see farther then you
> can by eye. The limited funds can be put to better use. And, you SHOULD
> always have surface craft support.
>
> Dan H.
> ----- Original Message -----
> From: "Sean T. Stevenson" <cast55@telus.net>
> To: <personal_submersibles@psubs.org>
> Sent: Wednesday, February 15, 2006 10:33 AM
> Subject: Re: [PSUBS-MAILIST] radar
>
> > Well Dan, I think it is necessary to point out that, while the vast
> > majority of
> > us can not afford to undertake large scale projects like the Euronaut, the
> > defining factor that makes a sub a Psub is not its size, but rather the
> > fact
> > that it is a non-commercial venture undertaken by a hobbyist. That said,
> > there
> > certainly are boats out there which are designed to operate untended, by
> > virtue
> > of having the capabilities normally relegated to surface support -
> > sufficient
> > power, range, endurance, weather handling ability, communications, crew
> > comfort,
> > collision regs compliance, etc. Unless I am mistaken, the Euronaut falls
> > into
> > this category. (I'll leave it to Carsten to comment further). Such a sub
> > would
> > likely be of sufficient size to accomodate outfitting it in accordance
> > with the
> > equipment normally carried on surface vessels - and be capable of
> > supporting a
> > superstructure that can get a radar scanner high enough to be useful. My
> > design
> > is a design exercise only, but it is of a larger vessel with design
> > criteria
> > including sufficient freeboard to maintain a weather deck large enough to
> > accomodate an evacuation via stretcher lift (one person lying down, tended
> > by
> > one or two more), and a weight buoyancy statement which will, with all
> > tanks
> > empty, maintain stability with the entire ship's complement (6) on the
> > weather
> > deck in a reasonable sea state - this is in case of fire or other event
> > which
> > necessitates evacuating to the deck, in the surfaced condition. The point
> > being
> > that for most smaller psubs, you're probably right, but there is a place
> > in the
> > psub universe for vessels designed to cruise on the surface, and in this
> > context, radar is not a bad idea.
> >
> > -Sean
> >
> >
> > Quoting "Dan H." <jmachine@adelphia.net>:
> >
> >> Is RADAR really necessary?
> >>
> >> First of all, it's not the smartest thing to operate a P size sub without
> >> some surface support out there with you. If you feel you need radar,
> >> that's
> >> the place for it.
> >>
> >> Second, a P-sub is way to close to the surface of the water for radar to
> >> see
> >> very far. Unless there is fog, in which case it's highly unlikely you'd
> >> be
> >> out there anyway, just a few feet off the surface I can see as far by eye
> >> as
> >> a radar can.
> >>
> >> There are better places to spend the budgeted money of a P-subber.
> >>
> >> Just my opinion,
> >> Dan H.
> >
> >
> >
> >
> >
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