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4.5.3 How the system calculates the oval cut from your inputs
How the system calculates the oval cut from your inputs 4.5.3 oval Once the four oval inputs — starting bit, oval width, oval degrees, and taper — have been entered into the spec sheet, Spectre Cloud calculates the drilling instructions needed to produc...
4.5.4 Entering thumb oval span and pitch information
Entering thumb oval span and pitch information 4.5.4 oval For most spec sheets, span is measured and entered the same way regardless of thumb hole shape. Oval thumb holes introduce one specific scenario where the entered span requires an adjustment — wh...
4.2.6 Printing a spec sheet
Printing a spec sheet Once a spec sheet is complete, you can print it directly from Spectre Cloud to use at the drill press, hand to a colleague, or file for your records. Spectre Cloud generates a clean, formatted printout that includes all measurem...
4.3.2 Entering span measurements (Full Span and Cut to Cut)
Entering span measurements (Full Span and Cut to Cut) Span measurements define the distance between the thumb hole and each finger hole on a bowling ball. Spectre Cloud supports two primary sp...
4.3.3 Inputing Vertical and Lateral pitch for fingers
Forward and lateral pitch for fingers 4.3.3 measurement Pitch describes the angle at which each finger hole is drilled into the ball — not straight down, but tilted in a specific direction to match the natural resting ...
4.3.4 CLT (Corrected lateral tilt) angle and its effect on lateral pitch
CLT (Corrected lateral tilt) angle and its effect on lateral pitch When a bowler places their hand on a ball during a fitting, the natural resting angle of the fingers is rarely perfectly vertical. Corrected Lateral T...
4.3.5 How to input a finger oval measurement (no inserts)
How to input a finger oval measurement (no inserts) For bowlers who do not use finger inserts, the oval measurement captures the natural shape of each finger hole needed to achieve a comfortable, secure fit. Because fingers ar...
4.3.6 Ring Finger 5/16" rule — auto and manual calculation
Ring Finger 5/16" rule — auto and manual calculation When setting up a spec sheet, the ring finger span is rarely measured independently from scratch. Instead, it is derived from the middle finger span using the 5/16" Rin...