Anyone know where to buy this extrusion?

Discussion in 'Metal Boat Building' started by Jamie Greenfield, Feb 7, 2018.

  1. Jamie Greenfield
    Joined: Feb 2018
    Posts: 6
    Likes: 0, Points: 1
    Location: Ottawa

    Jamie Greenfield Junior Member

    Rough dimensions are 2.5 x1 inch.

    Thanks for any info
    Picture001.jpg Picture001.jpg
     

    Attached Files:

  2. PAR
    Joined: Nov 2003
    Posts: 19,133
    Likes: 482, Points: 93, Legacy Rep: 3967
    Location: Eustis, FL

    PAR Yacht Designer/Builder

    Welcome to the forum.

    There are several aluminum extruders online and they have a host of various profiles for you to look at. I know this is a pain in the butt, but after an hour or two, you should find one. Additionally, you might try a metal fabricator, who may have books with these same profiles and you can just flip through until you nail it down.
     
  3. Jamie Greenfield
    Joined: Feb 2018
    Posts: 6
    Likes: 0, Points: 1
    Location: Ottawa

    Jamie Greenfield Junior Member

    Hi PAR,

    Thanks for your reply. Unfortunately i have already done what you are suggesting and did not have any luck - hence the post here. I have seen others with this extrusion which i dont believe to be a custom order but who knows maybe it is?

    Thought it was worth a shot here among boat friends. Maybe someone has seen it before?

    Cheers
     
  4. gonzo
    Joined: Aug 2002
    Posts: 15,247
    Likes: 949, Points: 123, Legacy Rep: 2031
    Location: Milwaukee, WI

    gonzo Senior Member

  5. Jamie Greenfield
    Joined: Feb 2018
    Posts: 6
    Likes: 0, Points: 1
    Location: Ottawa

    Jamie Greenfield Junior Member

    Doesnt have to be exact but something similar. 3/16 or 1/4 wall. Approximately 2.5x1 with the smaller upstand.
     
  6. gonzo
    Joined: Aug 2002
    Posts: 15,247
    Likes: 949, Points: 123, Legacy Rep: 2031
    Location: Milwaukee, WI

    gonzo Senior Member

    Check the last link
     
  7. Jamie Greenfield
    Joined: Feb 2018
    Posts: 6
    Likes: 0, Points: 1
    Location: Ottawa

    Jamie Greenfield Junior Member

    Very close but not quite
     
  8. Barry
    Joined: Mar 2002
    Posts: 1,426
    Likes: 229, Points: 63, Legacy Rep: 158

    Barry Senior Member

    What is the application? Is the inside width between the upper and middle piece 1 1/2 inch?
     
  9. Jamie Greenfield
    Joined: Feb 2018
    Posts: 6
    Likes: 0, Points: 1
    Location: Ottawa

    Jamie Greenfield Junior Member

    Hi Barry, Not sure on inside width exactly but 1-1.5" would be fine. Application is planing/lifting strakes on aluminum jet boat. Currently using 3x1 angle but it's getting squashed flat a little too easy. The extra upstand would stiffen it a lot.

     
  10. Barry
    Joined: Mar 2002
    Posts: 1,426
    Likes: 229, Points: 63, Legacy Rep: 158

    Barry Senior Member

    I would just buy a 3 x 3 by 3/8 or 1/2 inch and cut one side down to the 1 inch if the 1 x 3 has proven it to be the best profile for your boat. We normally purchased 3 x 5 as we had a 7 foot chine with 12 degree deadrise so we wanted a wide flat turned down maybe 10 or more degrees. So we cut the 3 inch side down to suit.
     

  11. Jamie Greenfield
    Joined: Feb 2018
    Posts: 6
    Likes: 0, Points: 1
    Location: Ottawa

    Jamie Greenfield Junior Member

    Yes i have thought about going up a wall thickness but it can already be quite tricky to form up in the bow because the boats are so short the curves are quite tight. Also not keen on the labour to rip a section off every piece of extrusion on every boat. That and weight. If i can find the pictured extrusion it would be better for what i am doing.
     
Loading...
Forum posts represent the experience, opinion, and view of individual users. Boat Design Net does not necessarily endorse nor share the view of each individual post.
When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. Your circumstances or experience may be different.