Bowstring Jig
Manufactured by
McMahan Archery Products, LLC
Precise measurements and
repeatability
Apply 300# of tension directly to the
string being constructed. This is a
great benefit to avoid "shooting in the
string".
Measure the string or cable length at
100# of tension.
Direct measurement of string from
back of pin to back of pin. This can be
done by one person regardless of the
string length. This is done by adding
of a furnished measuring plate to a
tape measure of your choice.
Construct floating yokes and pig tail
cable assemblies, complete with end
loop servings, down to 10" in length.
An optional twisting crank kit is
available. This allows for the twisting
of string and cable assemblies under
tension from the center out without
removal from the jig. Color separators
are provided to separate two color
assemblies for clean color separation.
The jig requires a 1-5/8’ sq. unistrut
rail (NOT SUPPLIED). These rails are
available locally at many larger
hardware stores or electrical
contractor supply houses.
An instructional DVD will be shipped
with each unit. The DVD is
approximately two hours long and will
detail the construction process of
making strings and cable assemblies
on this jig.
assembly. It is shown with
the removable helper post.
In normal use, it can be
rotated 90 degrees to open
the string for applying the
loop serving. It can open a
bowstring or yoke cable
assembly to about 10
inches in length to allow
loop serving with a
standard serving tool.
strings. It has two width positions. The one shown is for
shorter loop servings used on compound strings and the
outer position is used for longer loop servings used on
recurve strings. All parts are nickel plated.
tensioning unit is able to
produce 300# of
tensioning force from a
compression spring. A
built-in scale measures the
compression of the spring.
The drive screw is 1/2-10
ACME threaded. The
aluminum casting is clear
coated and the steel
pieces are nickel plated.
tensioning unit are secured
with a cross bar. This
allows the easy
repositioning of the
tensioning unit.
McMahan Archery Products, LLC will
warranty the jig (excluding finish and
abuse) to the original owner for the life
of the jig.
McMahan Archery Products, LLC will
not be held liable for equipment loss or
personal injury which might result from
improper production of bowstrings or
cables on this jig. The bowstrings
produced on this jig are hand made by
the customer, the quality and suitability
of the bowstring for use is determined
by the customer’s craftsmanship.
McMahan Archery Products, LLC
Owner:
Philip McMahan
315 W Hydell Rd
Chillicothe, OH 45601
Phone: 800-437-9145
Email: littlejon@horizonview.net
McMahan Archery Products are sold
directly through the manufacturer.
The retail price for this jig is $550 plus
sales tax and includes the twisting
crank.
This price includes shipping and
handling to all 50 states. Ohio
residents must include 7% sales tax.
The Jig may be sent internationally for
$50 flat rate shipping.
Orders may be sent online through
PayPal or over the phone at 800-347-
9145. For any inquiries or additional
purchase options, email
littlejon@horizonview.net
twisting a string. The drive
screw is extended forward
until it disengages the
anti-rotation key. The
tension unit is pulled back
and locked into position.
The crank will then twist the
string between the
separators. The string will
be twist from the center out.
back of the hole to the front of the slot is 1 inch. The
tape may be permanently or temporarily attached to the
plate. The tape in this picture has been cut off one inch
back and the tape pop riveted to the plate. The
measuring tape stop was repositioned and pop riveted in
place at the three inch dimension.
bows very easily. Hook the plate on one axle and
measure to the inside of the other axle.
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bowstrings
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serving-winder
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Archery
bowmaking
bow-making
jig
jigs
hunting
Outdoor sports
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