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3 posters

    strength of differing release/locks

    Todd the archer
    Todd the archer
    Todd the archer
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    • Post n°1

    strength of differing release/locks Empty strength of differing release/locks

    Post by Todd the archer Sun Apr 11, 2010 7:12 pm

    While reading Galloway's book he mentions the claplock release but says that for the heavier crossbow something stronger was needed, the roller nut was used.

    I have seen plenty of pictures of old german style crossbows with the claplock system.

    My question is that if the above is true at what point was the claplock system not sufficent?

    I see that Alchem offers it for sale, but I have not seen any reproduction crossbows with it or much talk about it.

    Anyone have any experience with this?

    Thanks Todd
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    Pavise
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    • Post n°2

    strength of differing release/locks Empty Re: strength of differing release/locks

    Post by Pavise Sun Apr 11, 2010 8:08 pm

    "My question is that if the above is true at what point was the claplock system not sufficent?"

    I would say when the draw-weight of the prodd was sufficient to overcome the slight incline of the string notch, exacerbated by the springing or bending of the lock mechanism. A cocked string is always trying to escape its bonds and will fly away at the first opportunity. Weak wood and metal parts will sometimes allow this. strength of differing release/locks Icon_mad And a heavy prodd required a thick string too; placing even more demands on a claplock system.

    Pavise
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    Geezer
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    • Post n°3

    strength of differing release/locks Empty claplock

    Post by Geezer Sun Apr 11, 2010 9:43 pm

    Geezer here, concerning the Renaissance clap-lock. I have never favored the claplock... I just don't like having a lock that intentionally has the string strike the bolt at speed... the roller-lock starts the string against the bolt as god intended... and that's good enough for me. (yes, that's a joke)
    Even so, there are plenty of claplocks on 16th century and later bows with pretty substantial prods. Alchem has sold clap-locks for years, and Jim Koch's friend Garvin, who actually fabricates the steel prods, makes bows with clap-locks. I expect they're plenty strong and safe, if installed correctly, on any of Alchem's standard prods... which usually run up to approx. 200 lb. draw. After all, if they were failing even occasionally, I expect Jim Koch would yank 'em off the market pretty quick. Geezer
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    • Post n°4

    strength of differing release/locks Empty Re: strength of differing release/locks

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