Making a mould...

Discussion in 'Fiberglass and Composite Boat Building' started by JohnMarc, Feb 11, 2019.

  1. JohnMarc
    Joined: Feb 2018
    Posts: 78
    Likes: 3, Points: 8
    Location: Knysna South Africa

    JohnMarc <--- My ultimate goal

    Taking the advice from this forum I finally got it right, (or I think I did), although next time I will take kapnD's advise and simply roll it. I will be doing the female mould this morning but I have a question..... When I have finished the gelcoat CSM and resin and I vacuum bag everything what happens to the excess resin. Can I put something within the bag to soak up the excess? I have seen one tip advising kitchen paper towels ....??
    IMG_7567.JPG
     
  2. JohnMarc
    Joined: Feb 2018
    Posts: 78
    Likes: 3, Points: 8
    Location: Knysna South Africa

    JohnMarc <--- My ultimate goal

    So now we have the answer where all those single socks disappear to....:p:)
     
  3. JohnMarc
    Joined: Feb 2018
    Posts: 78
    Likes: 3, Points: 8
    Location: Knysna South Africa

    JohnMarc <--- My ultimate goal

    A report back, It seemed have worked, thanks to all the tremendous support I got on this forum, thank you all...... I have a few seemingly little issues which I will tackle in time, but my female mould is done and once again thanks for all the support and advice
    IMG_7582.jpeg IMG_7578.jpeg
     
    tpenfield and JamesG123 like this.
  4. JohnMarc
    Joined: Feb 2018
    Posts: 78
    Likes: 3, Points: 8
    Location: Knysna South Africa

    JohnMarc <--- My ultimate goal

    Okay sooner than I thought, another question. Can I paint the gelcoat into my female mould and still then vacuum infuse the resin. I assume I need to let the gel set to a certain extent but I guess my question is will the mechanical fix between the infused resin and the gelcoat be affected if I don't get the timing perfect?
     
  5. ondarvr
    Joined: Dec 2005
    Posts: 1,890
    Likes: 113, Points: 63, Legacy Rep: 506
    Location: Monroe WA

    ondarvr Senior Member

    You need to let it gel to the point where it can be laminated on (about an hour), after that you’ve got a day or so to infuse.
     
  6. JohnMarc
    Joined: Feb 2018
    Posts: 78
    Likes: 3, Points: 8
    Location: Knysna South Africa

    JohnMarc <--- My ultimate goal

    Thanks..... so plenty of time, although I will of course do it at least the same day but let it gel.
     
  7. tpenfield
    Joined: Dec 2016
    Posts: 144
    Likes: 9, Points: 18, Legacy Rep: 10
    Location: Cape Cod, MA

    tpenfield Senior Member

    Any updates on this in terms of making the part from the mold?
     

  8. JohnMarc
    Joined: Feb 2018
    Posts: 78
    Likes: 3, Points: 8
    Location: Knysna South Africa

    JohnMarc <--- My ultimate goal

    Indeed have had great success ....aplogies for not coming back asI said I would, I will post some pics tomorrow of what I have managed to achieve following all the advice I got on this forum.
     
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