Green Reading with the 'Zero Line'Nov 27, 2020
This concept of green-reading is only 100% accurate on a planar slope; meaning a slope that is one continuous gradient and does not have localised humps and borrows. That said, it is still a priceless concept to work with.
This is a massive tool to use when reading the greens out on the course. You start by finding the zero line: just stand where you think you have a straight uphill putt (you will be surprised how good you are at this), from there, you will have a pretty good idea of how your ball will curve from its position on the chart.
Here are the relative curves with some key notes:
Chart taken from Aimpoint
- The closer you are to the zero line, the straighter the putt becomes.
- Note that the two biggest curves are at right angles to the zero line.
- Note that the balls 2, & 10 situated just above the perpendicular curve as much as the ball on the perpendicular points (3 & 9) due to them being downhill.
- Downhill putts curve more than uphill, therefore balls 2 and 10 curve more than their uphill opposites, 8 and 4.
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