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    1. Kit: ME, by (Yearly Subscriber) MODEL A MODEL is offline
      Builder Last Online: Dec 2018 Show Printable Version Email this Page
      Model Scale: 1/4 Rating:  Thanks: 2
      Started: 06-09-17 Build Revisions: Never  
      Supported Attribution Scratch Built

      Mieaux vaut tard que jamais! (Better late than never!)

      Well, its been a very long time since I last finished a model! The Beatles were still hoped to reunite! and Nixon was just about to be toppled!
      (Also, this is my first scratch built A Model A Model, (finally!) model!)

      Both of the above statements are true, however, I have studied model making my whole life, and been around it and model makers, since I was just a little Donald. I was the manager of Paul Freiler's Historical Models for half my life, at the time I left it. I then did a too short stint making models for the movies. I worked in Northrops display model group for a few months, and I have been working in the concept car field for nineteen years!

      I am afraid that I might have been "Hijacking" some of your threads, I do go on and on! but never of course was that my intent, and if I have offended anyone? please accept my apologies!

      All that said, here I go!


      A Model A Model, (finally!)
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  1. MODEL A MODEL's Avatar Yearly Subscriber
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    don
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    Feb 2017
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    1,453
    A Model A Model, (finally!)
    Almost there! This is the smaller half of my mold, and it has the thinner A Model A Model, (finally!) walls. It has only to shrink 2mm more to have achieved 15% shrinkage. The shrinkage on this half has been evening out. I did make many cuts into the outside surface to increase the surface area, and improve upon the de-gassing of the mineral spirits A Model A Model, (finally!) .

    The other half continues to shrink as well, but not at the same rate.

    Maybe another week?




    A Model A Model, (finally!)
    -craftsmanship is a lifelong project of
    self-construction and self determination
    QUOTE QUOTE #77

  2. Roger Zimmermann's Avatar Yearly Subscriber
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    Roger
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    May 2012
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    What an expriment!
    QUOTE QUOTE #78

  3. MODEL A MODEL's Avatar Yearly Subscriber
    Name
    don
    Join Date
    Feb 2017
    Posts
    1,453
    A Model A Model, (finally!)
    Well, the shrinkage seems to have leveled off at around 13%. -I poured a "fast cast" to better evaluate the progress, and to give myself something to work with. -I should have planned this better, but it turned out OK.

    Besides a little clean up, I need to thicken the wings, and maybe a little enhancing of some details. -the wings will grow thinner A Model A Model, (finally!) with each shrinking, and would be as thin as a razor with the next casting A Model A Model, (finally!) , so, I have to bow to practicality over scale.


    Researching this technique further, I have found out that besides Mineral Spirits A Model A Model, (finally!) , Naptha, Toluene, and Xylene can be used. -and that shrinkages as much as 75% may be possible! The important consideration is to measure volumes and not weight.

    Supposedly:

    a 75% reduction could be achieved by mixing 1 part catalyzed A Model A Model, (finally!) RTV A Model A Model, (finally!) with 3 parts solvent.
    60% reduction = 1 part catalyzed A Model A Model, (finally!) RTV A Model A Model, (finally!) with 2 parts solvent,
    and, so on . . .

    We'll see.


    A Model A Model, (finally!)
    -craftsmanship is a lifelong project of
    self-construction and self determination
    QUOTE QUOTE #79

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