Abstract: The invention describes a method of pre-forming cores for arrows that embody weights imbedded in or otherwise connected to the cores, wherein the added weights may be strategically positioned in a manner that assures perfect front to balance in the finished arrow regardless of the core material used or length of arrows being constructed. The invention assumes that the cores with embedded or otherwise connected weights will later be further surrounded by composite or other materials to complete the finished arrow shaft. The various composite wrapping and curing stages typically associated with making composite arrow shafts are outside the scope of this patent application. This application relates only to pre-forming arrow cores that will be used with a variety of later applied wrapping, curing, grinding, and polishing steps to be performed by others.

Abstract: An arrow rest for an archers bow that co-acts with a magnetic catch that may hold the arrow on the rest when the bow is drawn back; and that holds a horizontally pivoting arrow support arm, made of magnetically attractive material, that pivots toward and away from the vertical surface of the bow in the sight window area of the bow, in close to the vertical surface of the bows sight window when the pivoting arrow support arm, is in a fully retracted position and not otherwise in use, so as to avoid possible damage from being caught on limbs and brush while being carried by the archer in the field. The magnet part of the arrow rest further helps move the horizontally pivoting arrow support arm out of the way of the arrows fletching as it passes by the rest so that arrow flight is not unduly disrupted as the arrow is leaving the bow. The rest may be constructed in multiple separated parts or co-joined into a single unibody component.

Abstract: A bisynchronous compound archers bow configured so that no torsion related forces from the operation of the pulleys mounted proximate the ends of the bows limbs ever registers in the bows limbs, pulleys, axles or bowstring, so that no pulley related torsion is ever transmitted by way of the bowstring to arrows as they are being propelled from the bow, and further configured so that as a result of operating the limb-pulley system the amount of energy stored in each limb of a given length, width, thickness, and material of the bow is significantly increased when compared to the amount of energy stored in compound bow limbs of the same length, width, thickness, and materials in prior art compound bows. Typical increases in energy storage of limbs of a given length, width, thickness and materials of this invention will be double or more the energy achievable with similar limbs and pulleys if configured as in prior art bisynchronous compound bows.