Tool and method for establishing an arrow's balance point

Details Tool and method for establishing an arrow's balance point Tool and method for establishing an arrow's balance point

1992-04-13

1992-10-13

Haroian, Harry N.

Geometrical instruments

Gauge

Target, weapon, or weapon projectile

33520, 73 65, G01B 100, G01M 112

Patent

active

051540010

ABSTRACT:
An arrow balancing tool is used in establishing the optimal balance point on an arrow to produce the most efficient flight characteristics in accord with manufacturer recommendations. Assuming that the optimal balance point will fall toward the nose end of the arrow, approximately 7 to 10% of the arrow length removed from the midpoint of the arrow, the invention provides a base with a scale graduated in units equivalent to 57% of the length of the arrows being balanced. A second scale is graduated in units representative of 60% of the lengths of the various arrows to be balanced. A reference point, zero on the various scales, is established at which the nock of the arrow is positioned. A fulcrum, slidingly coupled to the tool, is adjusted until the balance point of the arrow is determined. Indices on the sliding fulcrum are positioned for a readout on each of the scales. Actual scale values reflect current manufacturer recommendations for optimal balance of an arrow.

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