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» Marble Shooting Crossbow
by JacobL Mon Jul 30, 2018 12:27 am


    Got inspired, decided to buy raw material for a prod

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    oivind1969
    Fresh Blood

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    Fresh Blood Doesn't meanI'm new to crossbows

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    Got inspired, decided to buy raw material for a prod

    Post by oivind1969 on Tue Oct 13, 2015 6:58 am

    Cheapest I found was a 2nd hand leaf spring from a VW Caddy. Payed more in shipping than the actual item cost  Rolling Eyes. Seller was totally honest with me, and the spring is some 150 cm (roughly 5 feet.), and weighs 13kg (28Ibs). "Great!", I thought, "Raw material for 2 prods!". Not so, thickness tapers towards the tips, close to 15mm at center, and down to some 10mm at the tips. Not sure it'll bend at all...

    c sitas
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    Re: Got inspired, decided to buy raw material for a prod

    Post by c sitas on Tue Oct 13, 2015 8:12 am

    The raw material you want would be a spring off a real light trailer or I have seen people use springs off a golf cart. If you looked at an auto supply store for trailer repair. These are lighter made springs but, still a lot for pull weight.Just guessing ,about 1/4" thick and maybe 1/3/4" wide would be in the ball park.

    edstuff
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    Re: Got inspired, decided to buy raw material for a prod

    Post by edstuff on Tue Oct 13, 2015 2:25 pm

    Just make a crossbow that's really big Smile

    oivind1969
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    Re: Got inspired, decided to buy raw material for a prod

    Post by oivind1969 on Wed Oct 14, 2015 4:28 am

    Wink

    c sitas
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    Re: Got inspired, decided to buy raw material for a prod

    Post by c sitas on Wed Oct 14, 2015 7:32 am

    Now your talking,Mount that on the front of a canoe and we'll go moose hunting.

    oivind1969
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    Re: Got inspired, decided to buy raw material for a prod

    Post by oivind1969 on Thu Oct 15, 2015 7:32 am

    Guess we're more (in)famous for whaling up here Wink

    c sitas
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    Re: Got inspired, decided to buy raw material for a prod

    Post by c sitas on Thu Oct 15, 2015 8:11 pm

    I'd buy that.You could send a mean harpoon---with a message on it.Thing is ,     a rigged ballista as you showed could be dreamed into almost any kind of a launcher.Just dreaming here , but I'm serious. By the way I really don't care what someone else might think of our whaling adventure. If they can't dream ,maybe they can take a hike.

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    Re: Got inspired, decided to buy raw material for a prod

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