Center laminate

Discussion in 'General Slingshot Discussions' started by Markatrog, Dec 10, 2013.

  1. Markatrog

    Markatrog Member

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    Need some help as a new builder of slingshots I have some nice walnut that I was salvage out of some fire wood and have shaped it in to 4/4. I am doing the ram bone model but I want to use more walnut and less ply. What can I use in the center so I can shape the 2 pieces of walnut on either side of the laminate? Am I stuck with a steel or aluminum ?
    Thanks
     
  2. Withak

    Withak aka Whitehawk!

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    I haven't done a laminate like this myself yet, but I can say from what I've learned from the folks on this forum, I would choose aluminum. Lightweight and strong and perhaps a bit easier to work with in a center laminate than steel as it can be more easily shaped in close proximity to the wood. I would think if you chose steel, you'd have to get the final shape of the steel pretty much done before you laminate the wood to it. I've worked with steel some in the past and never found it particularly friendly to fine edges and designs, without a lot of extra work, of course. Perhaps someone here who has attempted a steel laminate will also weigh in with their thoughts.
     

  3. Will

    Will Thread Hijacker

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    Well, walnut is a tough wood, so a plywood core should work if aluminum is not to your liking. Also, some of the micarta or carbon plate materials are becoming very popular as well. I actually really like the idea of a carbon-core walnut shooter!
     
  4. Markatrog

    Markatrog Member

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    Cool, thank thank you


    Sent from my Markatrog using Tapatalk
     
  5. BeMahoney

    BeMahoney Builder of things

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    heart of the wood

    Hey friends,

    I strongly recommend to cut that walnut to "stripes" and
    glue those together to make a board, flipping every second stripe
    around by 180° by length and 180° by heigth..
    As long as the "heart" of the wood remains, there is a
    98% chance for radial cracks..
    Thorsten made a really massive rambone from beech,
    high-pressure-laminate (HPL) as a center, yet cracks
    were unavoidable (too much "draw"force on the outer rings of
    the wood, the wood cracked from its own contracting force,
    because of drying..)

    We need to ask Thorsten to post a picture, the one I have shows
    the wrong side of the slingshot..

    Greetings,

    Be
     
    Last edited: Dec 10, 2013
  6. BeMahoney

    BeMahoney Builder of things

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  7. mvd

    mvd Builds with scrap

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    Greetings to you ;)
     
  8. Markatrog

    Markatrog Member

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    Bummer cut out 14 pic eve of 4/4 to laminate :( maybe I can do ply wall, ply wall inn 1/4 slices or use the aluminum


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  9. tivo532

    tivo532 Junior Member

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  10. Markatrog

    Markatrog Member

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    I had home depo 1/4 ply and the lam came apart. Been using sold y and bone for mine. Micarta looks good as well as black PV heated and flatend.
     
  11. tivo532

    tivo532 Junior Member

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    Michaels has 1/4", 3/8" and 1/2" Baltic Birch. Glue them together for thickness more than 1/2". I like to use an HDPE as core on two 1/4". Cheers!
     
  12. Markatrog

    Markatrog Member

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    Need to go there! Good to know, I would use that BB in a heart beat,
     
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