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

Latest topics

» Medieval Crossbow Replica
by bartek Yesterday at 1:24 pm

» Prod construction
by actionbow Yesterday at 1:10 pm

» Hello from MD
by bigcountry_ky Mon Dec 05, 2016 7:40 am

» How to make a miniature medieval crossbow
by El Zurdo Sun Dec 04, 2016 3:31 am

» A real miniature crossbow
by El Zurdo Wed Nov 30, 2016 11:19 am

» Intesting Mechanical Bow can pre-cocking and locking
by stm2010 Sun Nov 27, 2016 10:29 pm

» Invitation
by Vee Sat Nov 26, 2016 11:42 am

» Chu Ko Nu (Zhu ge nu) chinese repeating crossbow making process from china
by El Zurdo Fri Nov 25, 2016 2:51 pm

» Miniature medieval crossbow crafts
by El Zurdo Fri Nov 25, 2016 9:10 am

» Why use a Crossbow?
by Xamllew Mon Nov 21, 2016 8:49 pm

» Minimum bolt weight steel prod
by Armymedic Fri Nov 18, 2016 5:01 pm

» where or how to ask a question
by WINCAR Fri Nov 18, 2016 1:51 pm

» roller nut difficulties
by Gnome Fri Nov 18, 2016 9:13 am

» The serious build
by hullutiedemies Tue Oct 25, 2016 3:35 am

» Hello from arkansas
by Onager Lovac Tue Oct 18, 2016 8:06 pm

» Wham O Powermaster
by Onager Lovac Tue Oct 18, 2016 8:05 pm

» Folding Stock Bullet-bow Project
by Xamllew Wed Oct 12, 2016 6:23 pm

» New member here!
by Xamllew Tue Oct 11, 2016 6:36 am

» Finnish Crossbow Forum
by hullutiedemies Fri Oct 07, 2016 6:54 am

» Ordo pro balistari
by John Edgerton Mon Sep 26, 2016 1:24 pm

» CNC Improved Chinese Trigger Xbow- Gnome style
by jaeger22 Tue Sep 20, 2016 1:12 pm

» xbow build.. trying to finish..where does the time go
by Onager Lovac Wed Sep 14, 2016 3:30 pm

» An afternoon at the range
by Gnome Sun Sep 04, 2016 10:00 am

» I am back with new project
by stm2010 Tue Aug 30, 2016 2:35 am

» European medieval an renaissance archery contests and target
by Lightly Sun Aug 28, 2016 4:08 pm


    My homemade flemish crossbow

    Share

    MePilot1
    Fresh Blood

    Doesn't mean
    I'm new to crossbows


    Fresh Blood Doesn't meanI'm new to crossbows

    Posts : 32
    Join date : 2015-03-28
    Age : 29
    Location : Israel

    My homemade flemish crossbow

    Post by MePilot1 on Tue Apr 07, 2015 10:47 am

    First topic message reminder :



    Some technical data: 
    Total length (with stirrup): 85 cm 
    Length of stock: 75 cm
    Total weigth: 3,3 kg
    Weigth of goatsfoot: 0.9 kg
    Steel bow parameters: 
    Length of string: 64 cm
    Width in the center: 35 mm
    Width near its ends: 23 mm
    Thickness in the center: 8 mm
    Thickness near its ends: 5 mm
    Draw length: 17 cm
    Draw force: approx 120 kg

    Feel free to rate, comment and ask questions )


    Last edited by MePilot1 on Wed Feb 03, 2016 4:10 am; edited 1 time in total

    MePilot1
    Fresh Blood

    Doesn't mean
    I'm new to crossbows


    Fresh Blood Doesn't meanI'm new to crossbows

    Posts : 32
    Join date : 2015-03-28
    Age : 29
    Location : Israel

    Gafa

    Post by MePilot1 on Fri Jun 26, 2015 5:10 am

    I have been asked about my goats foot lever so I thought these pics might be useful 











    c sitas
    Crossbow Junkie

    I live here!


    Crossbow JunkieI live here!

    Posts : 320
    Join date : 2012-11-24

    Re: My homemade flemish crossbow

    Post by c sitas on Fri Jun 26, 2015 7:55 am

    Hello Me;  Have a question here. Is the metal you used for the gafa regular mild steel ,or is it the high carbon  stuff?  Nice looking metal work.

    Geezer
    Master Crossbowyer
    Master Crossbowyer

    Posts : 882
    Join date : 2010-01-12
    Age : 68
    Location : Austin, Texas, USA

    Re: My homemade flemish crossbow

    Post by Geezer on Fri Jun 26, 2015 8:22 am

    If you have a powerful bow, high carbon steel for the long legs of the gafa and polished very nicely will improve performance, and help prevent the legs sticking to the gafa-pin on the stock. I knew one guy who actually put brass bushing-rollers on his pins to reduce friction.  They worked great.... just hollow brass tube, running on the thru-pin, with little caps to keep the rollers from popping off.  Geezer

    MePilot1
    Fresh Blood

    Doesn't mean
    I'm new to crossbows


    Fresh Blood Doesn't meanI'm new to crossbows

    Posts : 32
    Join date : 2015-03-28
    Age : 29
    Location : Israel

    Re: My homemade flemish crossbow

    Post by MePilot1 on Fri Jun 26, 2015 9:02 am

    I used regular steel, and its still works fine, although high carbon steel is certainly a good choice. The only problem with the friction that I have is when the gafa is dirty with sand.

    c sitas
    Crossbow Junkie

    I live here!


    Crossbow JunkieI live here!

    Posts : 320
    Join date : 2012-11-24

    Re: My homemade flemish crossbow

    Post by c sitas on Fri Jun 26, 2015 2:33 pm

    Good stuff guys, and thanks. I know what you mean about sand. That's where I live. You are careful by nature.

    stm2010
    Fresh Blood

    Doesn't mean
    I'm new to crossbows


    Fresh Blood Doesn't meanI'm new to crossbows

    Posts : 39
    Join date : 2013-01-08

    Re: My homemade flemish crossbow

    Post by stm2010 on Thu Jun 23, 2016 11:55 pm

    How do you use the gofa cocking lever?

    Armbrustier
    Fresh Blood

    Doesn't mean
    I'm new to crossbows


    Fresh Blood Doesn't meanI'm new to crossbows

    Posts : 29
    Join date : 2012-01-23

    Re: My homemade flemish crossbow

    Post by Armbrustier on Fri Jun 24, 2016 3:59 am

    "its quite a lot, the cocking with gafa is much quicker and more convenient than with windlass or cranequin. The latter are used for heavier bows, like 200-500 kg."

    I would say that the cranequin was used from maybe 200 kg up to around 1000 kg.

    "Historically, hemp or linen was used.  At first I tried that, but it kept stretching after 10-20 shots, and this happens to a lot of crossbowmakers. My opinion is that we miss some ancient technology of making a quality strings out of natural materials." 

    I don't actually think we lack the technology, even though I know that we don't know everything about stringmaking. The bigger problem today is the material itself, linen for example is mostly produced now for the oil, the linen cloth and strings are a byproduct. The plants are probably not nearly the same as when thay were supposed to give long and strong fibres.

    Sponsored content

    Re: My homemade flemish crossbow

    Post by Sponsored content Today at 6:51 pm


      Current date/time is Thu Dec 08, 2016 6:51 pm