3/4 inch material to use for sanding or forming an outside radius?

Discussion in 'Fiberglass and Composite Boat Building' started by reelpleasure, Mar 7, 2013.

  1. reelpleasure
    Joined: Feb 2013
    Posts: 27
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    Location: Massachusetts USA

    reelpleasure Junior Member

    What material is easiest to use for a 3/4" panel with a "round edge"?

    Nidacore?
    Coosa?
    Penske?
    Other?

    I'm doinf some experimenting with composites and want a round gel coated edge.

    Nothing fancy.
     
  2. gonzo
    Joined: Aug 2002
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    Location: Milwaukee, WI

    gonzo Senior Member

    Nidacore can't be radiused, you need to add some kind of filler or different material on the edge. Coosa and other structural high density foams can be routed.
     
  3. reelpleasure
    Joined: Feb 2013
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    Location: Massachusetts USA

    reelpleasure Junior Member

  4. tunnels

    tunnels Previous Member

    somthing in the line of H80 foam works a treat can just radisu one corner and have a small radius or raduis it on a 45 degree and have a much bigger radiused round , is best to skin it with a light weight boat cloth then fill and sand and gelcoat so it can be bent along the side of something without fears of it shattering into bits . if you really carefull you can use a fine tooth blade in a mitre saw for doing corners inside or out . :D
     
  5. coolgps
    Joined: Jun 2012
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    Location: Xiamen

    coolgps Junior Member

    COOSA,PENSKE? What is it? Never heard.
     
  6. tunnels

    tunnels Previous Member

    Just us foam !! shape and resincoat all sides, just glass the round then fill and gelcoat wet sand and polish it !.
    coosa you will have fibres everywhere
    to contend with !!:idea:
     
  7. tunnels

    tunnels Previous Member

    where you been hiding ??
    coosa has been round for ages
    never used penske so dont know what its like :idea:
     
  8. gonzo
    Joined: Aug 2002
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    Location: Milwaukee, WI

    gonzo Senior Member

    Coosa is a high density foam with fiberglass fibers mixed in it. It is very rigid and relatively easy to work with.
     

  9. coolgps
    Joined: Jun 2012
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    Location: Xiamen

    coolgps Junior Member

    :D:D I am here all the time. Never heard of coosa from my suppliers. Sounds like a good choice for structure.
     
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