Golf swing analysis and method of custom trimming golf club shaf

Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target

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A63B 5310, A63B 5312

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active

054780730

ABSTRACT:
A method of custom trimming golf club shafts comprising (i) measuring the frequency of oscillation, f.sub.c, of a representative shaft at a plurality of different tipping amounts and effective shaft lengths, (ii) calculating the moment, m.sub.c, of the replica shaft for each effective shaft length, (iii) performing a linear regression on the measured frequencies to obtain the coefficients A and B in the form

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