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I've been using Alibre Design for a couple years.
If you are going to actually shed your own money on a 3D modelling program, I
don't think you can beat it. Put me on the list for a good human model
too!
Mark
----- Original Message -----
Sent: Monday, July 23, 2007 3:00 PM
Subject: Re: [PSUBS-MAILIST] Stepped sail
design .....opinions?
Brent,
I already posted on the iges and step
files......would have to see how they turned out after
conversion.
I stared with Inventor many years ago, and
haven't spent anytime converting to Solid Works. I really like Inventor...but
it is a pain to do some things. Plus I'm self taught.....so I really don't
want to learn something new. Solid Works is partially like Inventor....but
some of the procedures are so different, I could just about draw the part
before I could figure out how to start with SW.
I have a friend in Russia who (I think) has human
models.....I'll check. I know he uses Solid Works.
I could be persuaded to use Solid Works if people
are going to share.
James Long
Owner/Designer
Lil Brother LLC (Instrument
Division)
----- Original Message -----
Sent: Monday, July 23, 2007 2:55
PM
Subject: Re: [PSUBS-MAILIST] Stepped
sail design .....opinions?
James,
Ugly as a dogs butt perhaps, but my dog
Harley likes it. ; )' That hull was just for fun. You win some and
loose the rest. In regards to a human model, I need to do the same
thing. Carsten some time back, posted some human profiles on the Moki
picture exchange I was planning to use as a base to model mine in
Solidworks. Obviously Joe has a human model, but so far we have not figured
out how to exchange IGES or STEP files that work. Perhaps we should try
again Joe. Will your CAD program Inventor except IGES or STEP
files. STL files should also work, but they don't give you as smooth
of models as IGES or STEP files. I think you said you have Solidworks, so
why would you want to use Inventor? I'll be interesting in seeing your model
of the swing able half ladder.
Regards,
Brent
From: "Lil Brother LLC"
<lil_brother_llc@bellsouth.net>
Reply-To:
personal_submersibles@psubs.org
To:
<personal_submersibles@psubs.org>
Subject: Re:
[PSUBS-MAILIST] Stepped sail design .....opinions?
Date: Mon, 23
Jul 2007 13:24:45 -0500
Brent,
Yep...that is the basic idea....but I hate
the lines of your sub. It's about as ugly as a dogs butt.
(Sorry.....couldn't resist) I'm a more formal lines type of person. Not to
say new shapes and ideas are not viable or possible, I just like the way
the tubular shape of a sub looks.
I've been working on the design some, but
haven't had a chance to put anything on the web (mainly because I'm not
finished yet).
I know what I could really use....a model of
a person for inventor. I need the representation (movable) to make sure
the sub scales out to the right size.
With the Stepped sail design.....it is
important to know the average shoulder width.......so the person in the
top dome can actually move.
I did decide the pilot (captain, driver,
etc.) will be located in the lower dome......it would be far to hard to
position instrument and controls in the top dome.
Also I'm working on a boarding idea for the
upper dome......like a swingable half ladder. when pressure is put on
it.....it locks in position, then the ladder has spring indents for other
positions when no pressure is on it.
I'm actually trying to incorporate all the
necessary piping and bulkheads ( and such) as I go. I do not have an
extensive library......so some of the items will be just
blocks.
James Long
Owner/Designer
Lil Brother LLC (Instrument
Division)
----- Original Message -----
Sent: Monday, July 23, 2007 3:06
AM
Subject: RE: [PSUBS-MAILIST]
Stepped sail design .....opinions?
Greetings James,
It can and has been done. I would add
some thickness to the flange at the angle joint. Here is the model I
just finished of a stepped sail basicly like the one you showed use. I
was just going to build the sail 3D model, but I got carried
away.
http://www.frappr.com/?a=viewphoto&id=2628470&pid=7095469
Regards,
Brent
Hartwig
"Consistency is the refuge of the unimaginative. "
- - Oscar Wilde
From: "Lil Brother LLC"
<lil_brother_llc@bellsouth.net>
Reply-To: personal_submersibles@psubs.org
To: <personal_submersibles@psubs.org>
Subject: [PSUBS-MAILIST]
Stepped sail design .....opinions?
Date: Sun, 22
Jul 2007 17:15:44 -0500
>So Joe Perkel and I have been
having a thorough discussion.....which I've
>enjoyed the
exchange.
>
>I have some questions about the image that is
attached. (Sorry....hated to
>kill the bandwidth, but didn't
know how to le the image be accessible.)
>
>Does the image
have a chance to be successful?
>
>Will the angled
mounting of the dome hatches cause any structural
weakness
>(other than the acrylic dome itself)?
>
>I
know anyone who answers is doing so with the best intentions. I know
that
>only real life testing is the only way to know for
sure.
>
>My design is only for a depth of 250 ft
max.
>
>Also understand.....the drawing is a
preliminary......just drawn up to
>discuss the possible flaws of
the idea.
>
>James Long
>Owner/Designer
>Lil
Brother LLC (Instrument Division)
><< SteppedSailDesign.jpg >>
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