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

Latest topics

» Binding on the stirrup
by stuckinthemud1 Today at 3:28 pm

» yew and sinew prod help needed
by stuckinthemud1 Today at 2:44 pm

» horn inlay and veneer
by OrienM Yesterday at 8:44 pm

» Trouble with my Gafa
by Geezer Yesterday at 12:31 pm

» Presentation
by c sitas Wed May 23, 2018 4:31 pm

» My latest crossbow
by drawknife Tue May 22, 2018 3:13 pm

» Medieval composite bows
by Dark Factor Mon May 21, 2018 12:46 pm

» The Arbalist Guild - Around the World
by stuckinthemud1 Sun May 20, 2018 5:32 am

» angles and rivets
by Geezer Fri May 18, 2018 1:16 pm

» morticed nut blocks
by Dark Factor Wed May 16, 2018 12:02 pm

» Crossbow triggers
by Croftage Mon May 14, 2018 1:41 pm

» Cocking lever
by c sitas Fri May 11, 2018 8:09 am

» Late roman crossbow
by Dark Factor Wed May 09, 2018 10:27 am

» For Sale: Masai Crossbow
by TonyU Tue May 08, 2018 6:35 am

» Powermaster Madness
by Archer46176 Sun May 06, 2018 8:08 pm

» Fast loading crossbow
by septua Mon Apr 23, 2018 9:22 am

» lashing a glass prod in raw hide?
by kenh Sun Apr 22, 2018 7:00 am

» Balestra Veloce / Leonardo DaVinci
by msalazar2310 Fri Apr 20, 2018 10:37 am

» Goats Foot Lever
by Geezer Wed Apr 18, 2018 12:42 pm

» Hickory and Ipe 180lb flatbow
by actionbow Mon Apr 16, 2018 1:56 pm

» goat foot questions.
by Geezer Sat Apr 14, 2018 10:26 am

» Prod questions....
by Geezer Mon Apr 09, 2018 10:58 pm

» convert compound cross bow to ball shooter
by kenh Sun Apr 08, 2018 7:34 am

» Skane Lockbow replica (and making of)
by actionbow Wed Apr 04, 2018 11:10 am

» String traps bolt to tiller when loosed
by Geezer Tue Mar 27, 2018 9:36 am


    Two Questions

    Share
    avatar
    kenh
    Crossbow Junkie

    I live here!


    Crossbow JunkieI live here!

    Posts : 765
    Join date : 2012-08-03
    Age : 69
    Location : Living Aboard a Sailboat in Fort Myers, FL

    Two Questions

    Post by kenh on Tue Mar 12, 2013 10:36 am

    1. Any reason why, if I use a a wippe as a cocking aid, that I cannot use a heavy cord loop at the nose of the tiller rather than a shackle as per Payne-Gallwey?

    2. I see two ways to mount a prod --
    A. slot on top of the tiller with some sort of tension/holding screw; and
    B. Classic slot in the end of the tiller with the prod held in by irons or binding. Advantages/disadvantages of the "top slot" vs traditional "end slot"?
    avatar
    septua
    Tinkerer

    If there is a will, there is a way.


    TinkererIf there is a will, there  is a way.

    Posts : 62
    Join date : 2012-12-02
    Age : 80
    Location : Ohio

    Re: Two Questions

    Post by septua on Tue Mar 12, 2013 4:47 pm

    kenh


    1) If the cord itself is strong enough and can swivel it
    still needs an anchor point that doesn’t abrade it. A cord anchored at 2 points
    “loop” is a must. I use a wippe and a
    front swiveling metal loop. The wippe is useful if you are doing a lot of
    shooting. When I latch the string the metal loop swings up to about 30° above
    horizontal. Design the wippe so it latches the string to a constant lateral
    position.


    2a) Advantages: ?


    Disadvantages: Non-Traditional


    sep
    avatar
    kenh
    Crossbow Junkie

    I live here!


    Crossbow JunkieI live here!

    Posts : 765
    Join date : 2012-08-03
    Age : 69
    Location : Living Aboard a Sailboat in Fort Myers, FL

    Re: Two Questions

    Post by kenh on Tue Mar 12, 2013 7:35 pm

    Problem I'm having with the loop is that I can't find a shackle with a wide enough throat -- I'd have to cut away a huge width of the tiller to fit it. I have no metalworking abilities or equipment to make a sufficiently strong metal loop; so I'm stuck with 'off the shelf' bits & pieces. I can drill a hole transversely through the tiller, re-inforce the hole with metal tubing, and use a cord loop - something like parachord in strength.

    I'm not terribly worried about tradition for the prod slot. The whole build is a melange of historic and modern. The prod is "Chinese" loose laminates -- of heavy fiberglass, the action is a pin-lock but with a deldrin pin, the tiller is in the shape of a 16th century harquebus stock.
    avatar
    septua
    Tinkerer

    If there is a will, there is a way.


    TinkererIf there is a will, there  is a way.

    Posts : 62
    Join date : 2012-12-02
    Age : 80
    Location : Ohio

    Re: Two Questions

    Post by septua on Tue Mar 12, 2013 9:43 pm

    kenh
    The sleeve with cord idea is workable. The outcome can be elegant looking. You may need to put a wide hook, or even a pair of hooks at the front of the wippe so the cord will clear the tiller when it swings up.
    sep
    .


    Last edited by SEPTUA on Tue Mar 12, 2013 9:44 pm; edited 1 time in total (Reason for editing : added name)
    avatar
    hullutiedemies
    Workshop Savvy

    Did you see my tool collection?


    Workshop SavvyDid you see my tool collection?

    Posts : 178
    Join date : 2012-07-03
    Location : Fennoscandia

    Re: Two Questions

    Post by hullutiedemies on Wed Mar 13, 2013 5:42 am

    kenh wrote:1. Any reason why, if I use a a wippe as a cocking aid, that I cannot use a heavy cord loop at the nose of the tiller rather than a shackle as per Payne-Gallwey?

    That smaller hemp loop behind the yute stirrup is for whippe



    This bow was originally intented to be used with a whippe, and was succesfully tested with one. But it soon became obvious that for a small 100# bow bare fingers and stirrup is more practical so I have not bothered to document the whippe.
    avatar
    kenh
    Crossbow Junkie

    I live here!


    Crossbow JunkieI live here!

    Posts : 765
    Join date : 2012-08-03
    Age : 69
    Location : Living Aboard a Sailboat in Fort Myers, FL

    Re: Two Questions

    Post by kenh on Wed Mar 13, 2013 6:44 am

    Thanx guys.

    Nerd - I'm sure your wippe was paleo-legal as well, right? Forked branches and lashings rather than a pivot bolt...
    avatar
    hullutiedemies
    Workshop Savvy

    Did you see my tool collection?


    Workshop SavvyDid you see my tool collection?

    Posts : 178
    Join date : 2012-07-03
    Location : Fennoscandia

    Re: Two Questions

    Post by hullutiedemies on Fri Mar 15, 2013 10:07 am

    Yep . Pivot axle was just bundle of flax thread spanned accross wide deep fork.

    Sponsored content

    Re: Two Questions

    Post by Sponsored content


      Current date/time is Fri May 25, 2018 4:39 pm