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Probable GOLF Instruction
Expertly Shaping Swings & Trajectories
Solving your errant golf ball problems

New -- Social Golfer Combinations

Below is a graph of the height and carry of a driver and irons 3 thru 9. Below the graph are the initial launch conditions of the ball.

 

Humidity = 80%, Temperature = 25 degrees Celsius, Air Pressure = 101 kPa at sea level with no wind

Club
Speed (m/s)
Launch Angle
Spin (rpm)
Max Height (m)
Carry (yd)
Time (s)
Driver
70.9
8.5
3504
29.7
249.2
6.6
3-iron
56.3
11.8
5453
26.1
195.7
6.0
4-iron
54.2
12.4
6281
25.7
186.8
5.9
5-iron
52.6
13.4
7250
26.3
179.4
5.9
6-iron
50.0
15.0
8036
25.9
167.9
5.8
7-iron
47.2
17.6
8795
26.3
153.3
5.7
8-iron
45.2
21.3
9850
29.0
147.3
5.8
9-iron
42.3
26.6
10729
31.5
133.9
5.8

One interesting point to note is that the maximum height of the driver isn't much less than that of a 9-iron. From the perspective of the player, the driver appears to travel lower, the reason being that the ball is so much farther away when it reaches maximum height, it appears lower.

 

©Probable Golf Instruction, Ken Tannar 2001-2015. All Rights Reserved.

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Phone: 604-309-7030  FAX: to fax, email an attachment
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