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Crossbows - Everything about Building, Modding, and Using your Crossbow Gear

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» Troubleshooting
by Cscott Tue Nov 15, 2022 11:55 am

» Fiberglass H-bows
by c sitas Sat Nov 12, 2022 8:44 am

» Bad Antler
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» Anyone make their own bolts?
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» Colletiere a Charavines crossbow
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» Josef alm in English
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» Qin/Han lock drawings
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» stirrup dimensions?
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» Skane/Lillohus lockbow information needed
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» need help contacting le musee Dauphinois Grenoble
by stuckinthemud1 Sat Aug 13, 2022 3:22 pm

» Low Draw Weight Build
by stuckinthemud1 Fri Aug 12, 2022 3:09 pm

» Trigger testing Rig/Jig?
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» best type of horn to use..
by stuckinthemud1 Fri Jun 24, 2022 6:13 am

» Han Dynasty Chinese Crossbow
by hullutiedemies Fri Jun 17, 2022 1:00 pm

» Drawing of Crossbow
by stuckinthemud1 Fri Jun 03, 2022 3:01 am

» "How To Make Everything": Early Crossbow
by stuckinthemud1 Thu Jun 02, 2022 3:41 am

» Black inlay
by stuckinthemud1 Fri May 13, 2022 3:18 pm

» Roller nut details
by drawknife Thu Apr 21, 2022 2:44 pm

» 330#/7" wood bow
by Anatine Duo Tue Mar 29, 2022 11:08 am

» starting a 1400's replica
by stuckinthemud1 Thu Feb 24, 2022 1:26 pm

» 18th century German crossbow reproduction
by Fangbows Sun Feb 20, 2022 7:15 am

» replacement for baleen?
by tghsmith Mon Jan 17, 2022 9:30 am

» Medieval crossbow finished
by stuckinthemud1 Wed Jan 12, 2022 3:05 pm

» Trigger mechanisms
by stuckinthemud1 Mon Jan 03, 2022 10:23 am

» Finish wooden stock
by stuckinthemud1 Sat Dec 25, 2021 9:06 am


4 posters

    My First "flipper"

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    octavioaugusto.oliveira
    Fresh Blood

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    Post by octavioaugusto.oliveira Sat Aug 15, 2015 10:38 am

    Hello Friends


    As a matter of fact I am trying to build a flipper...Why?! First of all I was enthusiasmed with some of them made for members of this forum...


    Just now, it is not finished but I tested and using spring coils, each with a power of 8 Kilos the shoots are amazing in my opinion!



    http://2.bp.blogspot.com/-jcS3ess7diE/Vc9kUNQvVUI/AAAAAAAALcc/k2YEAgSfHW4/s1600/GEDC0735.JPG


    http://1.bp.blogspot.com/-Fk94L8sbllc/Vc9kUR_BMhI/AAAAAAAALcg/c7uLxWulGx8/s1600/GEDC0736.JPG


    Sorry...I post the links of two photos...because I have problems to edit them...


    The "weapon" use a pin trigger...it works very well. It is not fixed yet...



    I would like to know your opinion of my strange carbine...



    Regards
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    c sitas
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    Post by c sitas Sat Aug 15, 2015 12:27 pm

    Octavioagusto; I built one of the same  flipper. I used divers rubber 5/8" in dia. Mine pulls about 150 plus US pds. I use a red dot sight. Wicked machine . I took some  ideas from Jeep and went on from there.I love working with the ideas from this site. It's a great way for an old man to while away.
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    octavioaugusto.oliveira
    Fresh Blood

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    My First "flipper" Empty Flipper again...

    Post by octavioaugusto.oliveira Sat Aug 15, 2015 12:48 pm

    Yes, I am 78 years old and Jeep has made a very interesting flipper. I saw it here...Nice.
    You see I am working with wood...I am not any conditions at home to work with metal, but no problem. I consult this excellent forum to catch ideas...

    In spite of my 2º cancer I try to be occuped. I made also before conventional homemade crossbows buying the bows...

    Thanks a lot for your answer C sitas

    Octávio Oliveira from Portugal
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    c sitas
    Crossbow Junkie

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    Post by c sitas Sat Aug 15, 2015 2:28 pm

    Octavio; I remember you . we talked a while back.  Have fun and enjoy yourself.It's really cool to talk to someone on the other side of the world. This time in life is really something.
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    Andy.
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    Did you see my tool collection?


    Workshop SavvyDid you see my tool collection?


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    Post by Andy. Sat Aug 15, 2015 5:38 pm

    Must make one of these one day.
    Looks elegant in its simplicity, and efficient.

    Would love to see a video! Is it noisy?
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    rolynd
    Techno Weeny

    Lets put a laser on it!!!


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    Post by rolynd Mon Aug 17, 2015 9:00 am

    Nice work!   I think you could draw the arms back even further to use its maximum capability. Greater travel of the swing arms is the advantage the inswinger has over the traditional "outswinger " ballista. At the moment you are wasting a bit of its possibility.
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    c sitas
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    Post by c sitas Mon Aug 17, 2015 9:16 am

    Good point Roylnd; More could be gained but, the brackets on the stock would need stiffening. Possible a block of wood in front of them. They seem to lean forward. Nice work Octavio.
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    octavioaugusto.oliveira
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    My First "flipper" Empty My First "flipper"...Again...

    Post by octavioaugusto.oliveira Sun Aug 23, 2015 7:57 am

    Hello everybody

    First of all, I appreciate a lot your very good explanations. That's true, I am very grateful...

    A little history concerning this amazing experiment. Two or three year ago, I tried to build a carbine using the simple technology of a slingshot launching flechettes...I build an pretty stock...but the results were very poor...

    http://1.bp.blogspot.com/-c_owbuD15Nc/VdnHMKqC8GI/AAAAAAAALc4/thPESztPQko/s1600/22.JPG

    Then some days before I cut the stock...

    http://1.bp.blogspot.com/-kn4wMTLV5oc/VdnHMelncUI/AAAAAAAALdA/wqoLLc0dpbw/s1600/23.JPG

    And I begin To make a small flipper...it was an experimentation to lauch small darts...

    http://4.bp.blogspot.com/-GFz35PzKnJU/VdnHMoYwLQI/AAAAAAAALc8/_MclbN-h-Gw/s1600/24.JPG

    And it works! Yes I need to make strong with more length of the arms...but I was very anxious to see the results...

    And I follow with my poor project...making a support for give pression to the dart using plastic...

    http://3.bp.blogspot.com/-E2SCi1H8w9k/VdnHNSDP9bI/AAAAAAAALdI/OXC46Wgq96I/s1600/25.JPG

    http://2.bp.blogspot.com/-FMTNaIsqXiY/VdnHN1neNKI/AAAAAAAALdU/1IFL1Z5rc_Q/s1600/26.JPG

    http://1.bp.blogspot.com/-up0V3W5hEVc/VdnHOks5s0I/AAAAAAAALdg/vXBLnSn9HWw/s1600/27.JPG

    http://1.bp.blogspot.com/-7bbf9MtXfTM/VdnHOdF55oI/AAAAAAAALdY/czit0u-JerI/s1600/28.JPG

    The piece is now mounting as the springs...

    http://1.bp.blogspot.com/-Bzhx6Em881k/VdnHO9vvETI/AAAAAAAALdk/yRP5-JDmzGo/s1600/29.JPG

    Not bad as you see (distance, inside at home, about 12 meters...)

    Where the bowstring is retained...a block of pine is very weak too...

    But this weapon is just a prototype...Now I intent to make one new weapon definitevely using metal or wood reforced with allu and with the central ruler longer as the limbs or arms. The piece to retain the bowstring it will be made of allu too, and it is my ideea to lunch arrows...

    No so strong as a carbon bow this mechanism is funny and more easy to control as my tools...

    Have a nice week end!
    And Thanks a lot

    Octávio Oliveira
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    c sitas
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    Post by c sitas Sun Aug 23, 2015 8:34 am

    Octavio; A very good presentation. I like your results.I, too am a fan of the flipper.

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