Here is a couple pictures of a basic 3D model of a distress buoy I worked up last night of what I'm thinking might work.
http://www.frappr.com/?a=viewphoto&id=2384531&pid=3936744
http://www.frappr.com/?a=viewphoto&id=2384531&pid=3936746
Nice decal work on the Alvin Jr. submersible Joe. Now you have one more tool to put in your toolbox of skills.
From: "Joseph Perkel" <joeperkel@hotmail.com>
Reply-To: personal_submersibles@psubs.org
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Viewport
Date: Sun, 04 Feb 2007 04:26:26 +0000
>Carsten,
>
>If I recall correctly, DSRV (or another sub) uses remote viewing
>(cameras) as well. I think this is a very fine choice for Euronaut
>for the reasons you state. It should be quite a spectacular
>Navigation station when done.
>
>I will be using a minimum of two myself with a common 6" lCD screen,
>one camera on the bow with a slight down angle, and one in the sail
>facing aft for surface use as I will be dispensing with the aft
>viewport completely. That space will be occupied with a distress
>buoy.
>
>Joe
>
>>From: MerlinSub@t-online.de
>>Reply-To: personal_submersibles@psubs.org
>>To: <personal_submersibles@psubs.org>
>>Subject: Re: [PSUBS-MAILIST] Viewport
>>Date: 03 Feb 2007 09:39 GMT
>>
>>Two viewports in the bow endcap are calculate to about 12.000 USD
>>including the stainless steel frameholder without installation .
>>And because of the divetanks the distance to an object in front is
>>around 4 meters = 13 feet to the viewer. Viewport are useless as
>>higher underwaterspeed than 1 knots or so. And the euronaut can not
>>drive so slow that you can navigate to viewports.
>>Thats the reason that I decide to get with a video system.
>>
>>I go with videocameras and big monitors. Like the bridge on
>>Startrek Enterprice.
>>One videocamera is abt.100 USD and they are close to the bow. I
>>will have at least 6. One in the bow. 3 in the mast to generate
>>panoramic view. One looks to the propeller and one is in the diver
>>compartment. We can switch the four monitors in the bridge as we
>>like. On a bigger Psub sonars ar more common for navigation. So the
>>sub will get one forward looking sonar and one side scan sonar -
>>and one echosounder of course.
>>
>>A 180° dome with 570 mm diameter and safe for 200 m operating deep
>>is availabel via Emile or me and will cost something around
>>1000-1200 euro.
>>Base material is 40 mm strong and minimum tickness on the highest
>>point
>>is about 15 mm. Comes without classification. You can have them
>>with certificate also but than add just a zero to the price
>>figures. Other dome diameters are possible but more expensive
>>because we have to make another tool.
>>
>>best regrads Carsten
>>
>>"Øystein Skarholm" <skarholm@gmail.com> schrieb:
>> > Thank you very much Carsten, John and Andy. How come you,
>>Carsten,
>> > choose to have no viewports at all on the Euronaut?
>> > Are there any web sides where I can go and have a look at
>>viewports?
>> > Maybe with info about price as well. I think there is a lot of
>> > considering to be done.
>> >
>> >
>> >
>> >
>> >
>> >
>> > On 2/2/07, MerlinSub@t-online.de <MerlinSub@t-online.de> wrote:
>> > > Di = 27 inch or 686 mm (clear view) for 300 meter
>> > >
>> > > s/d1 = 0,21 and 10°
>> > > so s = Tickness = 0,21 x 686 = 144 mm or about 6 ich strong
>>acrylic.
>> > >
>> > > Outside Diameter of glas should be between 1,25-1,5 of Di
>> > > = 34 - 40 inch.
>> > >
>> > > Calculate to Germaninscher Lloyds rules.
>> > >
>> > > Dome will be better.. 0,034 x 27 = about 1 inch thickness.
>> > >
>> > > Best regards Carsten
>> > >
>> > > "Øystein Skarholm" <skarholm@gmail.com> schrieb:
>> > > > Does anybody know if flat view ports can go as deep as 250m
>>- 300meter.
>> > > > The view port size is off course critical here. I am
>>thinking of a
>> > > > view port size approximately 27 inch.
>> > > > Where can I find material properties for strength
>>calculation on acryl ?
>> > > >
>> > > > What is the best material for view ports anyway.
>> > > > Hope somebody knows the answer or where to find the answer.
>> > > >
>> > > > Thanks
>> > > >
>> > > > --
>> > > > Vennlig hilsen
>> > > > Øystein Skarholm
>> > > >
>> > > >
>> > > >
>> > > >
>> > > >
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