Firenock:Professional Arrow Preparation System

The Professional Arrow Preparation System (PAPS): Your Ultimate Arrow Preparation Tool

    Firenock PAPS is proudly designed in Illinois USA and is US Patented (# 9046452). PAPS is a unique take on the ordinary arrow preparation tool, acting as both your arrow's spine index (spine index = initial bending direction) locater and your arrow deflection value (with optional digital gauge) tool.  With PAPS, you can easily do all these complicated, but important arrow preparation procedures within seconds without subjective judgment.

Why Is Locating An Arrow's Spine Index Important?
    After locating the bending point of your arrow, you can use it as a reference point for your cock feather. By doing so, you can then predict how you arrow will flex during launch.  With this new knowledge, your shooting accuracy will be enhanced because, as long as your set up is correct and consistent, your arrows will fly and behave the same, every time.

Why Do YOU Need PAPS?
    During and after the creation and release of our high performance arrow series, AeroBolt, we at Firenock noticed that the requirements and specifications of arrows have specifically increases, creating a need for a unique, quality tool.  Thus, the APS was born.  While an excellent tool, we found that there was still a need for an even better tool for preparing and acquiring data from each shaft quickly, accurately, and effectively.  that arrow shafts need to be spine indexed, spine measured, spine matched, chamfered (a procedure to perfectly mate AeroInsert Reversed Collar End with shaft), squared, cut and marked, etc.  Without these arrow preparation procedures, shafts will not be good enough to install insert, nock, or vane.  In other words, without the above mentioned arrow preparation procedures, it is technically impossible to build ultra high precision, high performance arrow and to achieve repeatable accurate archery projectiles.  In order to make all these arrow preparation procedures easy and to have them done quickly and perfectly, Firenock introduced APS (Arrow Preparation System) in 2011 to do perfect squaring and concentricity check. But APS cannot tell you the spine index of your arrow and so Firenock built PAPS.  PAPS can help you to find the arrow spine index within seconds.  Once you locate your arrow spine index, you will know how your arrow flexes during flight and you can use the spine index for your cock feather fletching.  In this way, your bundle of arrows will perform the same even without further tuning your bow.

3 Major Components: the Track, the Tower & the Supports:

  1. The Track
        Proudly made in the USA, the PAPS track is a double track system, machined at 36 inches long and in a tripe box system.  Made of 7000 series aluminum and finished with type two level three hard-anodizing, it's extremely durable.  And to even further ensure its durability and stability, especially at its long length, the bottom of the track has six 3M stoppers installed.  Along both sides there are easy-to-read measuring tapes (in both inches and centimeters).  On one side of the track, full length measurement (0-36" / 0-914mm) is provided while on the other side, it is center to each end measurements (18"-0-18" / 457mm-0-457mm).  These two different measuring tapes are purposefully designed to simplify the process of measuring the length of the shaft as well as locating the middle point of the shaft.  To double ensure your PAPS and bench is indeed level, a 7mm cylinder water level can be installed in the middle of the track.
  2. The Tower (The First Bend Locater)

        The large piece in the middle of the PAPS is the power of First Bend/Spine Locater.  To provide the perfect perpendicular contact points between this tower and your shaft, the spine locater consists of two custom ball bearings.  With this design, PAPS can apply absolute pressure to the exact center of the shaft during testing.  Lastly, the First Bend/Spine Locater also minimizes the horizontal pressure that may form during spine readings.
  3. The Supports With Custom Ball Bearings

        In the present market, most spine locater tools use off-the-shelf ball bearings to support and to rotate the shaft.  The issue however, is that the balls in the ball bearings have a straight edge, a fixed outer diameter and a fixed inner diameter (the hole).  This typical design of ball bearings have two fundamental problems.
      1. The contact surface between off-the-shelf ball bearings and the shaft is often flat.  Because of this, when the shaft bends, the shaft actually rests on that flat or straight edge, causing uneven pressure between the two.  This issue worsens as the shaft is pressed harder, to the point where the ball bearings can even stop rotating, restricting your ability to turn the shaft and overall deeming the ball bearings useless.
      2. The typical hole in the middle of a ball bearing requires a screw to fasten it to a mount and/or jig.  Because screws are typically not specifically designed and built for any system, the available tolerance of those screw will not and do not provide a perfect fit for your ball bearings.
        Due to the above problems, Firenock has custom-made new ball bearings.  To solve the uneven pressure problem, our new ball bearings have a unique-angle-variable crown outer edge.  This also decreases overall pinch pressure on the shaft, or, in other words, the shaft can ride smoothly and freely all of the time, staying perpendicular to the center of the custom ball bearings even if the arrow shaft is strongly pressed and bent.  To solve the second problem, the one about lack of screw tolerance, our bearings have a pre-built, ready to mount stud center.
        PAPS comes with two supports which have two custom ball bearings installed.  This specification has not been seen in other spine finding tools.  In general, most other brand spine finding tool are utilizing four hooks only, PAPS uses two custom ball bearings per support.  With two ball bearing supports, you can feel how smooth and how sensitive the PAPS can really become while bending the shaft to locate the spine of your arrow.
PAPS

PAPS Optional Accessories

  1. The Vibration Module for swiftly locating arrow spine index (esp. designed for high spine arrows.)
  2. The Digital Gauge Module for precise measurements of spine deflection value.
  3. The Laser Mounting Module for marking cock feather position(s) easily and accurately.
  1. Vibration Module


        With this accessory, your PAPS should be able to find the dynamic spine of the shaft automatically.  In the past, fishing rod makers and experienced archers could use just their hands to find the highest and lowest spine of their shafts by simply rotating it.  Now, with the vibration module, there is no more subjective feeling; this accessory will significantly improve accuracy in locating the dynamic spine of the arrow.
        The working principle is simple.  The vibration module sends a wave of energy into the shaft.  With the help of the wave, the arrow spine index become exponentially more prominent, needing just a roll or two of the shaft upon the PAPS.
        The vibration module is a high tech and high precision piece of equipment.  Its case is precision CNC machined brass.  Inside the metal case, it has a digital component to control the operation timer and the vibrating frequency of the micro-motor.  The timer can even be specifically tuned according to the time period and energy requirement to locate the spine of the shaft.  To operate the vibration module, you only need to press the red button located on the side the case.  With that one push, a short burst of wave energy will be added to the system according to the pre-set time and power.  With the help of that vibration burst, you can just roll the arrow shaft with your fingers and locate the highest spine (usually at the bottom) and the lowest spine (usually on the top) effortlessly.  With the vibration module, you can be confident that each shaft is spined correctly, accurately, without subjective judgment, and it only take seconds not minutes, on each shaft.  Lastly, the vibration module can also be used as the perfect weight for locating the first bend deflection finding.
  2. PAPSVM (PAPS Vibration Module)
  3. Digital Gauge Module


        The Digital Gauge Module gives you an accurate and reliable spine deflection reading of your shaft.  The Digital Gauge Module consists of four components: the mounting arm, the digital gauge, the zero reference support, and brass weight.
      1. Mounting Arm: Made of CNC machined aluminum, it is securely mounted on the tower with two mounting screws equipped with O-ring retainers, while the digital gauge is mounted on the arm itself by a stainless tightening nut.
      2. Digital Gauge: Inserted by the gauge tip through the top of the tower, it can measure the deflection of your arrow easily and reliably.  One can also zero reference the gauge by using the zero reference support.  It is equipped with a large, easy-to-read LCD display and the reading can be set/sent to "hold / memory / zero".  Modes include inch (0.0005”) / metric (0.1mm) / fraction (1/64”).  The 40mm plunger is made of GR5 titanium for accurate measurement.  The meter is powered by long lasting common 3V CR2032 batteries and it will auto shut off after five minutes of inactive operation.
      3. Zero Reference Support: To provide a reliable zero reference point before measurement, the zero reference support is available.  Accurately CNC machined aluminum equipped with our custom crowned ball bearings, your shaft is ensured to be perfectly flat and with zero deflection.
      4. Brass Weight: The brass weight is accurately machined to provide constant weight to act on your shaft, thus allowing you to measure the deflection (stiffness) of different shafts easily and reliably.  When the weight of the brass weight is acting on the middle of a shaft on the PAPS, it resembles a weight of 1.94lbs (880g) which is suspending from the center of a 28 in. (0.71 m) arrow shaft.  This method follows the Standard Test Method for Measurement of Arrow Shaft Static Spine (Stiffness) of the American Society for Testing and Materials (ASTM) F203105.
  4. PAPSDG (PAPS Digital Gauge)
  5. Laser Mounting Module

        For even more precision, we have created the PAPS Aerovane Jig laser mounting module.  As the name implies, it is possible, with this module, to affix any Aerovane Jig user's laser alignment module to the PAPS track easily and securely.  The mounting module is a machined piece of aluminum to fit perfectly on the track and to hold the laser module solidly.  With this module and its laser, after you have located the position of the first bend, you will be given a straight precision-thin laser line on the arrow, making it is even easier to mark your arrow spine accurately.

  6. PAPSLM (PAPS Aerovane Jig laser Mount)

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