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Thread: draw board. how to?

  1. #1
    Join Date
    May 2009
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    West WA
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    draw board. how to?

    I need to prob make one to use it to tune my bow. how to and what will i need? Thanks BB



  2. #2
    Quote Originally Posted by brokenbone264 View Post
    I need to prob make one to use it to tune my bow. how to and what will i need? Thanks BB
    A draw board is basically a wooden board,
    say about 6 feet long,
    with a 1/2-inch diameter threaded pipe on one end...

    and

    a pulling device on the other end,
    usually a boat winch.

    Some folks will split a section of garden hose
    to wrap around the 1/2-inch diameter pipe.

    I am lazy,
    and just used some electrical tape
    and wrapped the pipe.


    Two styles.

    Flat

    Vertical


    Flat style,
    sits on a workbench or saw horse,
    and the bow is also flat.


    Vertical style,
    has your bow just like you are holding it.




    1/2-inch threaded pipe (say 8-inches long)

    Floor plate for threaded pipe (1/2-inch threaded hole)

    Use some screws to attach the floor plate to the center of the board.

    2x6 board
    or
    2x8 board

    Buy a 6-ft long board.


    http://shop.easternmarine.com/index....categoryID=197

    Two-way Fulton Winch for $19.99


    Now,
    one thing to remember.

    You want the rope to feed into the winch,
    so that the rope feeds about 3-inches HIGHER than the center of your pipe.


    Why?

    Most folks have the nock touch their jawbone or thereabouts on the side of their face.


    Everybody has their bowhand
    at about shoulder height.

    So,
    the nock is ALWAYS at least the length of your neck
    above the the bow hand thumb.




    Easier to see with a vertical draw board.


    The pipe should be "LOWER" than the rope feeding into the winch.
    The pipe is about where your bow hand thumb is located,
    when you are at full draw.



    Use a turnbuckle.



    You can make small changes.




    Use a speed link (adjustable chain link).

    I also use a backup loop of parachute cord,
    just in case the d-loop decides to break.
    www.nutsandboltsarchery.com
    http://www.archerytalk.com/vb/showth...=who+wants+dvd
    Send me an email for DVD = $25.00....

    alanlui@comcast.net

  3. #3
    Join Date
    May 2009
    Location
    West WA
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    426

    Holy cow

    I hope you cut and paste that reply. That was Great. Just what I am looking for. THANKS.

    I wonder if this should be a sticky?

  4. #4
    Join Date
    Oct 2007
    Location
    Central KY
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    Nice and seen that before. I used a 4x4 piece of wood. I used 3.4Inch pipe also instead of 1.2". I used two 90degree elbows to offset the bow side of the draw board instead of moving the crank. I bought some 1" clear water hose at Lowes(by the foot) and slid it over the pipe. I actually place my 4x4 into my vice that is mounted on my work bench.

    The one above will work just as well, just letting you know of some options.

    I need to take pictures of it and post also. It works on all my bows. With any draw baords you need to make something as a backup just in case your loop gives way like he did above. I also used heavy duty electrical wire and wrapped around the pipe and the bow near the grip so the bow would not fall either if there was any issues. Get to know your cranking mechanism and the different positions of the swithch and what they do because you could get a supprised....lol

    Good luck!!!
    Psalm 18:32-34 It is God who arms me with strength and makes my way perfect. He makes my feet like the feet of a deer; he enables me to stand on the heights. He trains my hands for battle; my arms can bend a bow of bronze.

  5. #5
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    Jul 2006
    Location
    Lipan, TX
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    3,088
    N&B...
    What is the purpose of tieing your loop with the knots tied together and putting a nocking point ABOVE the loop?
    Incredible Stabilization|-=o=o=o=o=[][][]www.jimposten.comBest bows in the world.........www.martinarchery.comConsistent anchor points........www.archeryinnovations.comNeed loop material, tie-in thread, drop-away cables? Give REDHDCHARM a shout, she is the best BCY reseller on AT

  6. #6
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    eastern , oklahoma
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    why?

    im not trying to be a smarta** but why do i need a drawboard. what purpose does a drawboard serve in tunning a bow. I have tunned a lot of bows and never used one. please inlighten me to this method.

  7. #7
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    Quote Originally Posted by fat kid View Post
    im not trying to be a smarta** but why do i need a drawboard. what purpose does a drawboard serve in tunning a bow. I have tunned a lot of bows and never used one. please inlighten me to this method.
    It allows you to SAFELY draw the bow to JUST where the dual or binary cams touch the string to check timing.

    OK... that is all I know about how to use a draw board. N&B. You have anything else to add?
    Incredible Stabilization|-=o=o=o=o=[][][]www.jimposten.comBest bows in the world.........www.martinarchery.comConsistent anchor points........www.archeryinnovations.comNeed loop material, tie-in thread, drop-away cables? Give REDHDCHARM a shout, she is the best BCY reseller on AT

  8. #8
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    I just used a 2X6 , a half inch bolt with clear tubing over it, and a geared winch from Harbor Freight.







    Works great. The geared winch allows me to stop anywhere I want without having to go to the next click like on a regular boat trailer.

  9. #9
    Quote Originally Posted by Huaco View Post
    N&B...
    What is the purpose of tieing your loop with the knots tied together and putting a nocking point ABOVE the loop?
    I use a blade arrow rest,
    a ProTuner.

    So,
    with the knots of the d-loop together,
    and both knots UNDER the arrow nock...

    this does two things:

    a) adds a bit of down pressure on the front of the arrow,
    so the arrow presses onto the blade tip,
    and helps to keep the arrow from falling off the blade arrow rest...

    and

    b) this puts the d-loop closer to the physical center of the bowstring.
    i believe this helps achieve level nock travel on a twin cam bow.
    www.nutsandboltsarchery.com
    http://www.archerytalk.com/vb/showth...=who+wants+dvd
    Send me an email for DVD = $25.00....

    alanlui@comcast.net

  10. #10
    Quote Originally Posted by Huaco View Post
    It allows you to SAFELY draw the bow to JUST where the dual or binary cams touch the string to check timing.

    OK... that is all I know about how to use a draw board. N&B. You have anything else to add?
    The draw board is a handy device to hold the bow at full draw.

    When the bow is at full draw,
    then you can take your time
    and get extremely accurate measurements....

    e.g., vertical measurement from arrow centerline to centerline of the peep sight

    e.g., horizontal distance between peep sight centerline
    and the backside of your pins or scope lens

    e.g., extremely accurate measurements for tiller

    e.g., measuring cam lean when the bow is at full draw
    (if you have a static yoke cable, you can figure out which leg is too long)

    e.g., measuring the distance between the pivot point (deepest part of the curve on the grip)
    to the inside edge of the center serving, while at full draw.
    www.nutsandboltsarchery.com
    http://www.archerytalk.com/vb/showth...=who+wants+dvd
    Send me an email for DVD = $25.00....

    alanlui@comcast.net

  11. #11
    Join Date
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    Location
    Central KY
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    Quote Originally Posted by nuts&bolts View Post
    The draw board is a handy device to hold the bow at full draw.

    When the bow is at full draw,
    then you can take your time
    and get extremely accurate measurements....

    e.g., vertical measurement from arrow centerline to centerline of the peep sight

    e.g., horizontal distance between peep sight centerline
    and the backside of your pins or scope lens

    e.g., extremely accurate measurements for tiller

    e.g., measuring cam lean when the bow is at full draw
    (if you have a static yoke cable, you can figure out which leg is too long)

    e.g., measuring the distance between the pivot point (deepest part of the curve on the grip)
    to the inside edge of the center serving, while at full draw.
    Very nice as always N&B...cam you take a picture of your bow on the drawboard and show me where you are measuring all the measurments listed above? I think I understand most but not all!
    Thanks Brian
    Psalm 18:32-34 It is God who arms me with strength and makes my way perfect. He makes my feet like the feet of a deer; he enables me to stand on the heights. He trains my hands for battle; my arms can bend a bow of bronze.

  12. #12
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    I'm just subscribing to this
    Boomer's Archery - Home of $1 shipping on everything
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  13. #13
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    Quote Originally Posted by nuts&bolts View Post
    The draw board is a handy device to hold the bow at full draw.

    When the bow is at full draw,
    then you can take your time
    and get extremely accurate measurements....

    e.g., vertical measurement from arrow centerline to centerline of the peep sight

    e.g., horizontal distance between peep sight centerline
    and the backside of your pins or scope lens

    e.g., extremely accurate measurements for tiller

    e.g., measuring cam lean when the bow is at full draw
    (if you have a static yoke cable, you can figure out which leg is too long)

    e.g., measuring the distance between the pivot point (deepest part of the curve on the grip)
    to the inside edge of the center serving, while at full draw.
    Ok LugNut...

    You opened up a can of worms inside my head. I am trying to figure out what purpose all these measurements would serve.

    Can you PLEASE explain what these measurements will do while tuning a bow. I shoot a FireCAT with the CAT cams.
    Incredible Stabilization|-=o=o=o=o=[][][]www.jimposten.comBest bows in the world.........www.martinarchery.comConsistent anchor points........www.archeryinnovations.comNeed loop material, tie-in thread, drop-away cables? Give REDHDCHARM a shout, she is the best BCY reseller on AT

  14. #14
    i see only one point the riser is held by. anybody afraid the bow might pivit. anybody have pics of one verticle. i'm making a press and hope to build a draw board into it.

  15. #15
    Quote Originally Posted by brash View Post
    i see only one point the riser is held by. anybody afraid the bow might pivit. anybody have pics of one verticle. i'm making a press and hope to build a draw board into it.
    Here ya go.
    Attached Images Attached Images
    www.nutsandboltsarchery.com
    http://www.archerytalk.com/vb/showth...=who+wants+dvd
    Send me an email for DVD = $25.00....

    alanlui@comcast.net

  16. #16
    Quote Originally Posted by Huaco View Post
    Ok LugNut...

    You opened up a can of worms inside my head. I am trying to figure out what purpose all these measurements would serve.

    Can you PLEASE explain what these measurements will do while tuning a bow. I shoot a FireCAT with the CAT cams.
    Hello Huaco:

    Most of these measurements,
    are required,
    when using archery software programs
    (they make sight tapes for target shooters).

    So,
    these sight tape programs request certain information:

    a) peak draw weight

    b) holding weight

    c) peep sight height (centerline of arrow to centerline of peep sight)

    d) peep sight radius (horizontal distance from peep to lens/pins)

    e) brace height




    Now,
    measuring cam lean,
    when the bow is at full draw.....

    The first few inches of arrow travel,
    after you release the arrow is very important,
    to how well your arrow flies into the target.

    Sooooo,

    when I have my bow at full draw,
    in my homemade draw board...

    I will hold a carbon arrow tight against the side of the top cam,
    and then rotate the arrow,
    unti the arrow is parallel to the bowstring.

    Now,
    if the cam is dead vertical,
    then the bowstring will feed STRAIGHT into the string groove.

    So,
    if the bowstring feeds STRAIGHT into the string groove,
    then the edge of the arrow
    should be perfectly parallel
    to the edge of the bowstring.

    Just check the gap,
    between the bowstring and the arrow.

    If the gap is dead parallel,
    the gap will be the same size at the top of arrow,
    at the middle of arrow,
    at the other end of the arrow.


    If the gap between the arrow
    and the bowstring gets narrower and narrower...
    the cam is leaning.


    If the gap between the arrow
    and the bowstring is getting wider and wider,
    the cam is leaning.


    If you have a static yoke cable,
    then the fix is easy....
    just shorten the long leg.
    www.nutsandboltsarchery.com
    http://www.archerytalk.com/vb/showth...=who+wants+dvd
    Send me an email for DVD = $25.00....

    alanlui@comcast.net

  17. #17
    Join Date
    Jul 2007
    Location
    NW Kansas, USA
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    Any suggestions for an inexpensive scale to check draw weight and holding weight?

  18. #18
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    Locust NC (near Charlotte)
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    Great post...........I want to be able to find it again!!!!!!!

  19. #19
    Join Date
    Jun 2007
    Location
    geneva, switzerland
    Posts
    101

    draw board

    so, when i saw this post i decided to share my own draw board, when i made my bow press i new i needed a draw board, so i came up with a 2 in 1 toy.
    the draw board attaches to the bow press and works well in my h.o.
    so here goes some pics of the d.b, and it only cost me around $55 with all materials included.
    the winch came from a boat store, cant remember the name, but if you find one thats smaller its good too, cause this ones over kill.
    have fun, i did...lol
    Attached Images Attached Images

  20. #20
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    Jun 2007
    Location
    geneva, switzerland
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    more pics

    the u end piece where the bow attaches to was designed for lefties, i would change that square tube for a round tube and just dip it in some protective coating, if i had to do another one thats how it would be done.
    Attached Images Attached Images

  21. #21
    Join Date
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    Location
    geneva, switzerland
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    more pics...

    a pic of my bow press...
    Attached Images Attached Images

  22. #22
    Unless I missed it above, a few very important features that can be measured & adjusted when using the draw board:
    1. Cam timing/syncronization.
    2. Draw length.
    3. Arrow length
    4. Peak draw weight.
    5. Let off draw weight.

  23. #23
    Quote Originally Posted by nuts&bolts View Post
    Hello Huaco:

    Now,
    measuring cam lean,
    when the bow is at full draw.....

    The first few inches of arrow travel,
    after you release the arrow is very important,
    to how well your arrow flies into the target.

    Sooooo,

    when I have my bow at full draw,
    in my homemade draw board...

    I will hold a carbon arrow tight against the side of the top cam,
    and then rotate the arrow,
    unti the arrow is parallel to the bowstring.

    Now,
    if the cam is dead vertical,
    then the bowstring will feed STRAIGHT into the string groove.

    So,
    if the bowstring feeds STRAIGHT into the string groove,
    then the edge of the arrow
    should be perfectly parallel
    to the edge of the bowstring.

    Just check the gap,
    between the bowstring and the arrow.

    If the gap is dead parallel,
    the gap will be the same size at the top of arrow,
    at the middle of arrow,
    at the other end of the arrow.


    If the gap between the arrow
    and the bowstring gets narrower and narrower...
    the cam is leaning.


    If the gap between the arrow
    and the bowstring is getting wider and wider,
    the cam is leaning.


    If you have a static yoke cable,
    then the fix is easy....
    just shorten the long leg.
    So to get accurate results with this method I would assume you have to have a perfectly aligned draw board, if your winch is not pulling back in line your string could be off just a little either way, which would look like cam lean. how do you assure your getting a straight pull back using the draw board, or am I thinking about this wrong?

  24. #24
    Join Date
    Sep 2006
    Location
    Grenada County, MS
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    Bookmark

    for a great post. Thanks guys for the info
    Kevin
    '11 Hoyt Vector 32, Limbsaver Vaportrail rest, Axiom Axis sight
    Easton Axis 500
    100 gr. NAP Spitfire

  25. #25
    Join Date
    Jun 2007
    Location
    geneva, switzerland
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    101
    if you have cam lean trust me you will notice it, with this rig at full draw youll be able to see your cams if they lean at all.
    the other question was about the rig itself if it could cause a fake cam lean due to some kind of torque...well i will say no, cause the riser sits free on the rig and moves around, so when you draw the winch back the riser finds its spot and just stays there.
    another feature i like about it is to balance the bow with my stabs and add wheights where i need them and i can see how it actualy sits as if it was in my hands, well close enough any case.

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