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Author Topic: How to do this?  (Read 13221 times)

uzonigor

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How to do this?
« on: June 15, 2010, 06:43:21 pm »

One of our forum mates told me that someone could help me with this. I found this tugboat plan and I don`t know how to extract rib plans from it?

Here is the picture.



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colin-d

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Re: How to do this?
« Reply #1 on: June 15, 2010, 06:52:35 pm »

the Rib plans are on the right hand side of the plan... try tracing them  {-)  {-)  {-)

or scan them into a computer, and vector them into a CAD program like Corel Draw or AutoCad or TurboCad..

scale them to the scale you want.
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uzonigor

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Re: How to do this?
« Reply #2 on: June 15, 2010, 07:00:50 pm »

I have AutoCad, but I don`t know what vectoring means  {:-{
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colin-d

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Re: How to do this?
« Reply #3 on: June 15, 2010, 07:07:57 pm »

then i would suggest reading the Help of AutoCad, vectoring is explained..

or read this...

http://www.cadtutor.net/forum/showthread.php?t=46508

theres lots of places to read How to Vector an image..
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uzonigor

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Re: How to do this?
« Reply #4 on: June 15, 2010, 07:10:58 pm »

Ah I know that, but I don`t know what to trace, I cannot find the ribs, I`m starring at this picture for hours, and I cannot menage to see the outlines of the ribs?
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colin-d

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Re: How to do this?
« Reply #5 on: June 15, 2010, 07:25:14 pm »

although the image that you have published here, is very small, i can still make the ribs out on the right hand side of the Plan.. near the bow of the boat.
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craftysod

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Re: How to do this?
« Reply #6 on: June 15, 2010, 07:26:50 pm »

Should looke like this
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Umi_Ryuzuki

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Re: How to do this?
« Reply #7 on: June 15, 2010, 07:43:21 pm »

The frames are in the center of the line set, second from the right...

Here they are pulled from the set, and in the second picture I have highlighted them in red.

The left side are the frames from the mid ship to the stern.
And the right side of the drawing is the midship to the bow.
The outside frames reuse the outer most line, for the two lowest/largest lines on each side.

Photo copy that area of your plans once, for each frame you need.
Then take each copy, fold it in half, and cut along one frame line, and then
. boldy number it with the number of the frame line you cut.

You should end up with a cut piece of paper for each frame line. And when unfolded, it will
represent the cross section of the boat at that frame.

You can than mount the paper cutouts to plywood and proceed to cut your frames.

Don't forget to allow a "bump" or an area of plywood at the center to allow you to
make a cut out to place the frame over a keel.
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uzonigor

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Re: How to do this?
« Reply #8 on: June 15, 2010, 07:43:52 pm »

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uzonigor

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Re: How to do this?
« Reply #9 on: June 15, 2010, 07:46:28 pm »

The frames are in the center of the line set, second from the right...

Here they are pulled from the set, and the second picture I have highlighted them in red.

The left side are the frames from the mid ship to the stern.
And the right side of the drawing is the midship to the bow.

Photo copy that area of your plans once, for each fram you need.
Then take each copy, fold it in half, and cut along one frame line, and then
. boldy number it with the number of the frame line you cut.

You should end up with a cut piece of paper for each frame line. And when unfolded, it will
represent the cross section of the boat at that frame.

You can than mount the paper cutouts to plywood and proceed to cut your frames.

Don't forget to allow a "bump" or an area of plywood at the center to allow you to
make a cut out to place the frame over a keel.


Thanks, now I understand :)
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John W E

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Re: How to do this?
« Reply #10 on: June 15, 2010, 07:49:38 pm »

hi there Uzonigor

Have a look in the Masterbuild section of this forum, under either Tug - Cervia build - or, the Fred. Spashett build; this will guide through copying and cutting frames.  Also, it may give you some idea of one method of building hulls from scratch.

Hope this helps.

Along with the other information on this forum.

aye
john e
bluebird
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craftysod

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Re: How to do this?
« Reply #11 on: June 15, 2010, 09:27:06 pm »

The pic i put up was not of your boat,but what to look for,it has been clarified in further postings.
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uzonigor

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Re: How to do this?
« Reply #12 on: June 15, 2010, 09:37:24 pm »

The pic i put up was not of your boat,but what to look for,it has been clarified in further postings.

I understand :) I printed out everything, and now I`m cutting  O0
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craftysod

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Re: How to do this?
« Reply #13 on: June 15, 2010, 09:41:48 pm »

Good luck,with your build,ask the experts if you get stuck,plenty on here
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RaaArtyGunner

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Re: How to do this?
« Reply #14 on: June 15, 2010, 10:43:06 pm »


I too am "illuminated" very clear and helpful.  :-))
Simple when you know how. O0
Much appreciated.Thank you :-)) :-))
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Terryt

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Re: How to do this?
« Reply #15 on: June 16, 2010, 09:45:50 am »

Very helpful advice, thank you
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Circlip

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Re: How to do this?
« Reply #16 on: June 16, 2010, 10:31:33 am »

Quote
I have AutoCad, but I don`t know what vectoring means

  Love the link Colin-D, One is a myriad of techno - babble and the other needs you to sign up to another forum.

  As a retired Draughty, this is the sort of answer that puts SOME newbies off, no simple explanation available??? {:-{

  Regards  Ian.
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colin-d

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Re: How to do this?
« Reply #17 on: June 16, 2010, 10:45:26 am »

sorry but i did not have my images with me yesterday to explain better.

i do all of my drawing in Coral Draw, much simpler that AutoCad or TurboCad

i guess there all simple if you know what your doing and competent in the programme your using.

as for the link from yesterday, i was mealy trying to show that there is enough information on the net under "How to" to explain importing images into CAD software.

the images that are attached here have been imported into Coral Draw, then cleaned up, ready for making the Hull.
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Circlip

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Re: How to do this?
« Reply #18 on: June 16, 2010, 11:52:05 am »

Quote
i guess they're all simple if you know what your doing and competent in the programme your using.

  And thereby hangs the problem. The "Techky" terms we drop cause a glazed expression to some, bit like "Ram, Rom, Megabyte" did years ago when referring to computers. A mere stripling of 46 when I was taught the rudiments of "Release 12", never got to use it in anger but years later loading "DoubleCad" (freebie) although similar to ACad, it took serious cell massaging to keep a few lines on screen again.

Most want to be able to draw a few lines cos what they want to build is not available in plan or kit form, but Design is a term flashed about without any background thought. Look on the American toy engine sites, "I am Designing a steam engine, are the port sizes important and how does it work"????????????? and with boats should we think about "Block Co-efficients" ??

  Regards  Ian
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colin-d

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Re: How to do this?
« Reply #19 on: June 16, 2010, 12:18:01 pm »

know exactly what you mean Ian...  :}  :}

i guess i follow in my fathers footsteps a little, he was a proper electronics draughtsman, with ink nib or pencil and scalpel as an erasure, he retired not long after the firm received there CAD system, sometimes i do forget that not all are as fortunate, as some, I'm knocking on the big 50's door, and i only use Corel Draw 10, but love it to bits, its just right to do them things that the every day modeler needs.   :-))

I'll try and keep the "techky" stuff to a minimum.. if i can..  %%  %%

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Circlip

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Re: How to do this?
« Reply #20 on: June 16, 2010, 01:30:07 pm »

Th'art nobut a bairn lad %)   {-)  Never got eyestrain from watching Linen.

  Regards  Ian
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uzonigor

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Re: How to do this?
« Reply #21 on: June 16, 2010, 01:37:09 pm »

Collin D actually gave us his plans :D Thanks for the advice, I`m now doing as you sad, cleaning in Corel Draw :)
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Martin (Admin)

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Re: How to do this?
« Reply #22 on: June 16, 2010, 05:36:12 pm »

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uzonigor

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Re: How to do this?
« Reply #23 on: June 17, 2010, 12:38:13 pm »

Yes Martin, that is the actual plan :D
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AlexC

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Re: How to do this?
« Reply #24 on: June 17, 2010, 10:17:34 pm »

Hi All,

 I can not see if has been mentioned before, or in one of the articles which have been linked to, but, remember the frames shown on the line drawings are the cross sections of the hull (including the outer skin)... therefore you should reduce the outside edges of the frames, as drawn, by whatever thickness your chosen skin material will be.

Best regards and hope your build goes well.

AlexC
 :-)) :-))
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