[PSUBS-MAILIST] Elementary 3000 redesign

[Rick Patton via Personal_Submersibles]

Hank,

I thought that small scratches on the outside of the view port lens usually
weren't noticeable when wetted by being underwater?

Rick

On Sun, Apr 9, 2017 at 11:00 PM, hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Greg,
> I did learn a lesson with my port.  I had a small scratch in the outside
> face, so I  sanded it out and polished it.  Now I have this small
> distortion in that spot.  I sure doesn't take much for that to happen.  I
> am wondering if I should leave it alone for fear it is like shortening a
> leg on a chair.
> Hank
>
>
> On Sunday, April 9, 2017 8:38 PM, hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>
> Hi Greg,
> The view through the conical port is ridiculously good actually.  In the
> original location, I could see right in front of the sub, so I am willing
> to loose a bit of the view in front.  I need to experiment more to get the
> perfect balance.  My original sphere sub had a 24 in dia 4 inch thick port,
> so needless to say it was awesome. The comfort was very good because I
> could sit back without leaning ahead.
> Hank
>
>
> On Sunday, April 9, 2017 7:35 PM, james cottrell via Personal_Submersibles
> <personal_submersibles at psubs.org> wrote:
>
>
> Hi Hank,
>
> If I understand your email correctly, the only problem you will have is
> reduced view of the bottom since your port will be higher and angled
> slightly up during the dive. I ran into the same thing when laying out the
> side viewports for my sub- the ports needed to be comfortable to look out
> of and still give a good view downward. Captain Kittredge made the ports
> for me and made them extra heavy so they could be welded in "angled down"
> without losing too much strength. The view turned out to be pretty good.
>
> Just curious- how was the comfort/ view in your previous spherical sub
> compared to the new sub?
>
> Greg C
>
> ------------------------------
> *From:* hank pronk via Personal_Submersibles <personal_submersibles at psubs.
> org>
> *To:* Personal Submersibles General Discussion <
> personal_submersibles at psubs.org>
> *Sent:* Sunday, April 9, 2017 11:41 AM
> *Subject:* [PSUBS-MAILIST] Elementary 3000 redesign
>
> Hi All,
> I made a BooBoo when I designed Elementary 3000.  I did not spend enough
> time mocking up the port position for comfort.  With the current port
> location in relation to the hatch, it is uncomfortable.  If I raise the
> port 10 inches by rotating the sphere it is comfortable.  I can lean
> forward easily and look out the port in this position.  This means my hatch
> would be  off level  at the surface.  Does this matter?  it is better for
> staying open I guess.  The back of the land will be 3.5 inches lower than
> the front.
> I am building a new body for the sphere to sit in-it will look more like a
> Square plastic ROV now than a submarine.  I got the idea at Nuytco and
> actually commented to Phil that  you could drop a sphere into the centre of
> their ROV and you would have a great sub.
> My plan is to have two MBT's, one for and one aft inside the plastic panel
> enclosure.  If I make the aft MBT larger in volume, the sub will float at
> the surface with the hatch level to the water.  When I sink the sub it will
> be off level with the pilot sitting level with the port where it needs to
> be.  I am using plastic dock floats for MBT's.
> That should work
> Hank
>
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
>
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
>
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
>
>
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.whoweb.com/pipermail/personal_submersibles/attachments/20170410/e7cbcff5/attachment.html>