[PSUBS-MAILIST] CAD for presentation

Fri May 27 19:00:12 EDT 2016

Alan,I think the advice of just learning a full scale system is good because I will have to do it anyway. The drawings for presentation pourposes are nice, but not required for the ultimate goal.Thanks,Scott Waters

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-------- Original message --------
From: Alan James via Personal_Submersibles <personal_submersibles at psubs.org> 
Date: 05/27/2016  5:45 PM  (GMT-06:00) 
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
Subject: Re: [PSUBS-MAILIST] CAD for presentation 

Getting back to Scotts original post, I think he just wants somesimple drawings for illustrative purposes for the conference.   Can you give some detail on what drawings you may requireScott. Is it going to involve drawing the whole sub or just thingslike slices through the pressure hull.Alan

       From: Sean T. Stevenson via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Saturday, May 28, 2016 10:16 AM
 Subject: Re: [PSUBS-MAILIST] CAD for presentation

Drawings only show you what was supposed to have been built.
To document what actually exists requires verification of the dimensions using calibrated NIST traceable instruments.
Sean

On May 27, 2016 3:55:23 PM MDT, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
Scott must have technical drawings that came with the sub, heck I have them for GammaSurly those could be used as reference of existing dimensions.Hank 

    On Friday, May 27, 2016 3:39 PM, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 All this advice hinges on the premises that ABS are going to acceptthe measurements that any unqualified Wally will provide them. To meit would be a difficult job finding and documenting any out of roundness & deviation of thickness along with the penetration
thicknesses & contours.   Perhaps find out first if they have any requirements regarding theprofessionalism of the person & process for measuring the hull, as the FEA will be based on those measurements. If they do require a certified professional to supply them with drawings,then any 3D images for conference could be taken from that.Cheers Alan

       From: Scott Waters via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Saturday, May 28, 2016 8:04 AM
 Subject: Re: [PSUBS-MAILIST] CAD for presentation

Cliff,Which software is most easily learned? I have no CAD experience. All my design work in the past was all sketched out on a bar napkin. Haha.Thank you,Scott Waters

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-------- Original message --------
From: Cliff Redus via Personal_Submersibles <personal_submersibles at psubs.org> 
Date: 05/27/2016  8:52 AM  (GMT-06:00) 
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
Subject: Re: [PSUBS-MAILIST] CAD for presentation 

Scott, I have been thinkin!
 g about
your request for CAD assistance for upcoming presentation.  I think with your Pisces VI build, you really have both tactical and strategic technical drawing needs.  Let look at the long range strategic need first.  Because you are going to make some changes to the boat, ABS is going to make you submit a report that among other things has a drawings set that reflects the current build, a weights and balance and buoyant accounting that rolls up the new CG and CB of the boat and a stress analysis of the pressure hull both in the form of the ABS hull stress calculations and an FEA.    The best way to get these is through a 3-D modeling package like Autodesk Inventor Pro or Solidworks.  My suggestion is to invest in one of the software packages and take a basic 3-D modeling training course on the software.  You then crawl into the belly of the beast with your tape measure and digital caliper and take the dimensions of each part an!
 d then
model it in the 3-D modeling software.  After you get all the parts modeled, you them make up assemblies of these parts that will enable you to turn out the 2-D prints of the parts and assemblies.   From this 3-D model, of your Pisces VI, you then can extract the CB, CG of the boat.  All of these 3-D software packages let you export STEP files of the model that can be read by the FEA software Sean uses.  If you pay some one to build this 3-D model, first of all it will cost a lot of money and every time you change anything you will have to go back the guy for an update.  In the long run, having this skill set (3-D modeling) will be very useful for future mechanical projects off all types.  
From a tactical perspective, what people are most interested in, from my perspective, on your renovation is what is the state of the boat at the time you acquired it documented by lots of pictures, and wh!
 at the
big pictures is on what you think you will need to do to get your ABS A1 recertification and lastly what are the major structural changes you are planning.  I don't know how much time you have for your presentation but my guess is 20 minutes or so.  If this is the case, on average you can count on about 1 min per slide so you have 20 slides to present.  This does not leave much time for presenting CAD work.  You might be able to get away with the basic drawing tools in Power point for these few slides on the changes.  
Make sure you put a slide in for your new mega shop which we are all salivating over and how you are going to dive this boat when your done in Kansas!
Cliff
On Thu, May 26, 2016 at !
 10:41
AM, via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
OK. Thanks for the information

Scott Waters

>  -------Original Message-------

>  From: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org>

>  To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>

>  Subject: Re: [PSUBS-MAILIST] CAD for presentation

>  Sent: May 26 '16 10:30

>

>  Yeah, but it's very intuitive once you get into it.  Plus you could generate data to make parts using a CNC.  More computer power = good thing !

>

>  Brian

>

>  --- personal_submersibles at psubs.org wrote:

>

>  From: via Personal_Submersibles <personal_submersibles at psubs.org>

>  To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>

>  Subject: Re: [PSUBS-MAILIST] CAD for presentation

>  Date: Thu, 26 May 2016 09:30:35 -0500

>

>  I am worried about the amount of time it would take me to learn to be good with the software. From my understanding, it is quite the ramp up time.

>

>  Thank you,

>  Scott Waters

>

>  >  -------Original Message-------

>  >  From: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org>

>  >  To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>

>  >  Subject: Re: [PSUBS-MAILIST] CAD for presentation

>  >  Sent: May 25 '16 19:09

>  >  

>  >  Scott,   You might want to think about getting set up with "machine works" it's a type of cad program that integrates into CNC and also has some FEA capability ( very advanced stuff) .  But you would need some serious computer power to run the program.  But then designed components could then be coded for machining, it has extensive modeling etc.. ,  state of the art stuff.   -  Brian  

>  >  

>  >  --- personal_submersibles at psubs.org wrote:

>  >  

>  >  From: via Personal_Submersibles <personal_submersibles at psubs.org>

>  >  To: PSUBS <personal_submersibles at psubs.org>

>  >  Subject: [PSUBS-MAILIST] CAD for presentation

>  >  Date: Wed, 25 May 2016 15:06:13 -0500

>  >  

>  >  I was wondering if anyone could help me out. I am planning on doing a presentation at Underwater Intervention about the Pisces VI submarine. I am wanting to show the components of the submarine how the sub originally was and then how we are changing it. I am not trained in CAD and was wondering if there is someone out there that could easily do this?

>  >  

>  >  Thank you,

>  >  Scott Waters

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