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AON

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Posts posted by AON

  1. Having slept on it last night I tried something new early this morning.... shorter guidelines that start/end at the two profile lines.

     

    This failed also.

     

    Then I had another idea while having my morning shower... I've always found that I "cracked the code" to many design conundrums during my morning shower.. this might be a strange way to resolve a problem but it usually works for me.

     

    I will try my new idea tonight if I have the time.

     

    The idea is to create a multitude of new horizontal planes beginning just below the top side of the wing transom and then drawing new guide lines of the sliced profile at these decreasing elevations... adding these to the loft feature and hopefully the result will be what is wanted. I may need to remove the original guide lines after the new sketches are complete if the loft should fail with them.

     

    Once again, if someone has another idea please let me know.... and thank you for following.

  2. So I created three new guide curves at 15, 30 and 50 degrees down from the top side of the wing transom being horizontal.

    These guide lines connect (pierce) a profile line.... stern post rabbet line.

     

    I then added these to the guidelines in the loft feature and the result is not what I imagined

    Now the hull has, of all things, FOLDS!    :o

     

    Don - I've seen your work.  If you have any idea how I should have done this I would be greatful to hear

     

    If anyone else can offer some guidance I am at this moment your attentive student.

     

    Other than those options... I'll be chewing on this for a wee bit in an attempt to imagine how else I might do this properly   :huh:

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  3. Well!

     

    Should be easy.... right?

     

    I drew in two additional guidelines offset from the sheerline at 5 feet and 10 feet

    I then attempted to add them to the lofted feature.

     

    ERROR the guidlines do not intersect with the profile line

     

    JFTHOI I switched them from being guidelines to profile lines

     

    ERROR

     

    So I shall attempt to draw new guidelines that intersect with the profile line and see what new error message appears

     

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  4. My NRG mentor is reviewing the whole model at the moment and I am certain he will have similar comments!

     

    I am late off to work this morning as I have a cracked tooth that will be tended to in less than a hour... so I have a moment to see the example.

     

    I see the sharp bend on the aft underside of the model you are referring to and I am thinking I'll need more guidelines to remove it.

     

    Hope to have an opportunity to tackle it tonight

     

    Thank you Druxey

     

     

    DON: I'm glad it looks easy!  If I were better at this 3D stuff I might believe you   :rolleyes:

  5. I've been busy with the expansion of my workroom and am now down to taping and mudding the joints.

    Then is painting and moving all the gear back in.  That gets me that much closer to building my model.   :)

     

    After looking at a few books, builds on the forum and my plans I think I understand the upper wing transom comment.

     

    I made adjustments by adding reference points and manipulating the guide line to the shape on the plan.

    here are the results.

     

    I'll have to get some of the dents out of the hull that I noticed at the stern before I start slicing the frames and making templates.... but I am that much closer.   ;)

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  6. I now have two issues to deal with

    1. the hull near the stern is not so "fair" and needs some tending to

    2. the top edge of the lower transom should be angled or sloped downwards and it isn't

     

    I thought I would simple create a sketch and "extrude cut" out the slope

    You can see when I tried that the program does not give me the option to extrude cut

     

    I think I need to create a sloped plane to draw the upper guide line on so the lofted feature will end properly at the top edge

    but not now... time for breakfast and getting ready for the work day.

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  7. Good afternoon Hexnut and thank you for the suggestion.

     

    I think what I will do first is ignore the upper transom outline as I've pondered on it (off and on all day) and I think that is what is blocking my vision.

     

    If I try to loft the hull up to the upper most lower transom timber below the top of the stern post and see how she looks I might be pleasantly surprised.

     

    After all most of what makes up the upper transom seems like an after thought, "tacked on" like the officers "out houses" and sunset viewing "railed balcony".... they certainly new how to live!

  8. I've drawn in blending guidelines at the waterlines to assist in lofting the lower hull

    I've looked at great images in various books and photos on the forum of Vanguard and Bellona to understand the shaping of the lower transom timbers

    Just when I think it makes perfect sense I come to my sketches and the vision is gone!

    I doesn't make sense

    I know this has got to be easier than I am presently experiencing but until I can see it in my mind and hold onto the image while looking at my sketch I feel I am doomed to float on uncontrollably in still waters.

     

    It will come sometime soon (I hope)

     

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  9. ... continued

     

    10. Solidworks completes the lofted feature shell shape.  It will default to a GRAY colour that can be changed by picking the “right mouse button” over the area.  A menu table pops up. Pick APPEARANCE…

    11. Pick COLOR, then pick the colour of your choice.

    12. I then begin the process for a new LOFT FEATURE for the second group of stations

         Picking the GUIDE LINES as describe previously

    13. Pick the PROFILE LINES and Solidworks fills in the shape.  I have do this is increments of no more than three frames as my poor old computer gets confused with too much math and crashes if I ask too much of it. I then pick the green check mark to accept what the program created,  Pick REBUILD and SAVE before I attempt the next group.

    14. In the end I once again had the complete hull lofted.  I have yet to complete the stern transom shape

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  10. ... continued

     

    6. Pick LOFT FEATURE
         drop down menu – Insert > surface > loft
    7. Pick first GUIDE CURVE
         pick in the lower box to highlight it;
         pick the guide curve on your drawing;
         pick the green check box
    8. Pick 1st PROFILE LINE (I created a separate line on my RABBET line sketch to represent this)
        pick the upper box to highlight it;
        pick the profile line (Upper Rabbet Line on Stem Post)
        pick the green check box
    9. Pick 2nd PROFILE LINE
        I picked my shorter HEAD Bulkhead frame outline in step 3 above
     

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  11. My meager progress report

    I am sure there is likely easier ways to do what I've done.....

     

    Having established the rabbet line I completed the bow shape as follows:

     
    1. You will note I have an additional frame outline towards the bow. The aft is the foremost station Y off the plan. The one forward of it is located at the forward face of the HEAD bulkhead.  I created two (2) planes at this exact location.
    2. On one I created the full HEAD Bulkead frame tracing. 
    3. On the other I traced over the first to create the shorter HEAD Bulkhead frame outline.
    4. I did this at each station where the TOP TIMBER heights change
    5. I created a 3D sketch of GUIDE LINES. I created new lines at the very top of the top timbers where the elevation changes
     
    more to follow shortly

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  12. it has been awhile since I posted any update.  I've been rather busy with diversions.  My play area (workroom) extension is well underway with the size having been slightly more than doubled ..... studs up, wiring to electrical plug outlets and light switches installed, drywall up.  I need to wire to new lights in the ceiling and install the drop ceiling tiles that I have had stashed in a corner for about 12 years.  Then the walls and floor get painted and I move everything back in.  Geeze I hope it is big enough!

     

    Left work last night to have a beer with an old acquaintance (employment placement agent or better known as a head hunter  aka pimp)... why? because I just discover back when he actually worked for a living he was a naval architect. We discussed my model.  The first thing he said was that I was going to have trouble because I would be striving for perfection and they were anything but perfect. (damn he knows me and my type well... probably why he is so successful in his new career) He told me they would build per the yards experience using the contract and drawings as a guide. Dimensions would be close to but not less than the scantlings.  Most people couldn't read so they did what they knew and made it functional utilizing the sizes and shape of wood available to them.  No two ships of the same design would have been identical even if built in the same yard off the same plans with the same contract.

     

    There was a lot more discussed but the "striving for perfection" has been a battle I've been losing and to hear him blurt it out so easily having not witnessed my struggles so far.... hit me hard on the chin.  So maybe what some honest people here on the forum have been saying will finally sink in and I can relax some?

     

    Then I came home to discover my four volume set of TFFM arrived.  Started thumbing through volume one and the rest of the evening was lost.

    Thank you David for writing the 3 volumes... have not yet unseal wrapped Greg's contribution but I am certain it will have me cemented to the chair also!

     

    At present, after having completed establishing the rabbet lines I am re-lofting the hull and want to better establish the stern but as I said I've created many diversion projects so it may be awhile.

  13. This might work as a fix to at least try on one hole....

    1) make a long tapered rectangular plug (long enough to handle) of the finished size you desire

    2) give it a thin coat of releasing agent (vasoline?)

    3) insert it into the oversize hole and fill around it with wood putty

    4) let it dry for 30 minutes or more

    5) pull out the tapered plug and see how it looks

    carefully file/sand to finish if it works

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