Modified Catapult to SlingBow

Discussion in 'Show off your homemades!' started by dannytsg, Jun 20, 2013.

  1. dannytsg

    dannytsg Senior Member

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    I have been toying with this idea recently and last night after watching a YouTube video decided to try and bodge something together.

    I started off with the following materials:

    1 x Standard fishing catapult
    1 x 1/2" PVC pipe
    1 x 1" Slipring
    Paracord
    Leathermans sewing twine
    Epoxy glue
    Superglue

    Firstly I cut a piece of the PVC pipe just slightly wider than the Y in the catapult frame and cut notches in both ends.

    Secondly I cut a slit in the top of the pipe big enough to accept the slip ring and sunk it in.

    Thirdly I then put the PVC pipe between the frame and secured it using an over under on either side and then used expoxy to harden the cord and secure the piece. This now becomes a structural cross member.

    [​IMG]

    I then put epoxy on the slip ring and sunk it into the slot in the PVC pipe, wrapped it in leathermans twine and used superglue to harden and stiffen the binding to stop the ring moving.

    [​IMG]

    I then left this to all set overnight and gave it a quick test this morning. Even with the rubbish standard bands I managed to shatter one of my 24" home made shafts on target impact which is illustrated in the picture below.

    [​IMG]

    And finally I make shifted some flecthing using duct tape on my next shaft.

    [​IMG]

    Arrow penetration was pretty good on this 1/4 in board sat in a frame.

    [​IMG]

    And finally a video of my step-son plinking it. I was surprised by the accuracy from 20-30 yards. Once we found the point of aim with it we had a lot of fun.

    http://youtu.be/35DkQv4Wh-4


    My next projects will be to make one entirely from wood and entirely from scratch. I am going to go for a traditonal Y fork from a local tree and see how things go.

    Dan
     
  2. Will

    Will Thread Hijacker

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    Nice work! Looks like that weapon is quite effective, and I was impressed that it achieved the distance it did in the video, and with a great sound upon impact too!
     

  3. dannytsg

    dannytsg Senior Member

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    Thanks. It will hit targets at up to 40 meters if aimed correctly but anything further than that is a "hit or miss" opportunity.
     
  4. tokSick

    tokSick Senior Member

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    Very well done!!