Hi Alan,
Nemo 100 makes the domes
also with the hot pressing method.
Blowing is the simplest
way and make the tooling is the least effort. Limit is 200 metres in my
opinion.
Pressing is far better
for roundness , material efficiency and thickness.
For the 24” / 610
mm OD. Dome we start with 35 mm plate. After forming it is still 35 mm on the
edge and 25 in the apex!. Good for some 500 M ;-)
Emile
Van:
owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] Namens Alan James
Verzonden: zondag 12 juni 2011
11:29
Aan:
personal_submersibles@psubs.org
Onderwerp: Re: [PSUBS-MAILIST]
Dome ;was Own submarine pen (Eurosub)
Thanks Emile, well done, enjoyed looking at the photos.
I had a quote for a dome from Jürgen Herrmann from Nemo. I
assumed it was a cast
dome as he said could provide certification for it at an
extra price.
I had a blown dome made for me locally, wich turned out
good. I think there was a bit of luck involved.
Due to cloth being glued to the acrylic disc's bottom
surface, the bottom face had less friction & dragged
into the dome more than the top surface. The outer edge of
the flange sloped inward as evidence of this.
This was a desirable effect as that edge has further to
travel around the curve of the clamping plate.
Would love to have a go at this some time, as I was involved
with a process where copper was drawn
over a mold in a similar manner & have some ideas I
would like to try.
----- Original Message -----
Sent: Sunday, June 12,
2011 7:53 PM
Subject: RE:
[PSUBS-MAILIST] Dome ;was Own submarine pen (Eurosub)
Alan,
We make the domes ourself
with our friend Reinhard from Nemo. We developed tooling and Reinhard buildt a
oven with intergrated hydraulic press.
I not say it is easy. 1
of the many parameters wrong and you destroy a day work and the material
(Euro 800,- for the small dome and 2300,- for the big dome)
Say 1 to 4 goes wrong.
I somebody go “try
this at home” I would advice to start with a 1:4 scale setup.
There are some
pic’s of the domes on :
https://picasaweb.google.com/submachine55/EurosubParts
Regards,
Emile
Van:
owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] Namens Alan James
Verzonden: zondag 12 juni 2011
0:12
Aan:
personal_submersibles@psubs.org
Onderwerp: Re: [PSUBS-MAILIST] Own
submarine pen (Eurosub)
Carsten,
Wondering where you got the dome made?
Was it a reasonable price?
Great to know we have a submarine certifier on our site.
Alan
----- Original Message -----
From: <MerlinSub@t-online.de>
To: <personal_submersibles@psubs.org>
Sent: Saturday, June 11, 2011 7:53 AM
Subject: [PSUBS-MAILIST] Own submarine pen (Eurosub)
The first picture shows a quick and cheap way to create an own submarine pen
for small subs.
The second picture shows the view from a dome with 950 mm Diameter (37 inch)
after rebuild the bow from the original 600 mm (24
inch) dome.
Both pictures taken last weekend at the Kreidesee in Hemmoor, Germany
vbr Carsten
http://www.euronaut.org/content/upload/notes/03062011(004).jpg
http://www.euronaut.org/content/upload/notes/03062011.jpg
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