Applying Club Markers
In order to capture club data with the GCHawk, club markers must be applied to the clubface. To apply markers using the dispenser (included)
Do I have to apply the club markers for the machine to work?
No, you do not need to apply the club stickers (fiducials) for the GCHawk to capture ball data. The system will work effectively without them. However, if you want to collect detailed club data (e.g., club path, face angle), we recommend using the stickers during practice sessions.
For playing a round of golf, stickers are not necessary. If you do decide to use them during practice, the stickers can remain on your clubs without needing to be reapplied for each session. In fact, once properly applied, these stickers can last for several months, providing consistent data without the hassle of frequent reapplication.
Data Captured
No Sticker Setup
Ball Data Only
- Ball Speed
- Horizontal & vertical Launch Angles
- Spin
- Side Spin
- Carry Distance
- Total Distance
1 Sticker Setup
Recommended Setup
Ball Data
- Ball Speed
- Horizontal & vertical Launch Angles
- Spin
- Side Spin
- Carry Distance
- Total Distance
Club Data
- Club head speed
- Smash factor (Efficiency)
- Angle of Attack
- Club Path
1 Sticker Setup
More Advanced Players & Club Fittings
Ball Data
- Ball Speed
- Horizontal & vertical Launch Angles
- Spin
- Side Spin
- Carry Distance
- Total Distance
Club Data
- Club head speed
- Smash factor (Efficiency)
- Angle of Attack
- Club Path
- Face angle
- Loft & lie at impact
- Impact location on the club face
Single Marker Placement
For best results, place the marker high on the clubface and as close to the horizontal center as possible.
DRIVERS FAIRWAYS & HYBRIDS
Irons Wedges & Putters
Four Marker Placement
Irons
Step 1
From the bottom of the club, count score lines up to find the approximate vertical hitting center.
Step 2
Carefully apply the first two markers between the sixth and seventh score lines at the toe and heel, keeping both markers level with each other. Place marker about 1 marker width from the edge of the score line. The center point between these two markers will define the horizontal center of the face.
Step 3
Carefully apply the last two markers on the toe of the club face at the top and bottom edges of the ball strike zone.
Four Marker Placement
Drivers Fairways & Hybrids
Step 1
Count the club’s score lines to determine the vertical center of the clubface. Note: For clubs with an even number of score lines, the vertical face center will be between the center two score lines. For clubs with an odd number of score lines, the vertical face center will be directly on the center score line.
Step 2
Carefully apply the first two markers along the vertical center of the face near the outer edge of the score lines, keeping both markers level with each other. The center point between these two markers will define the horizontal center of the face.
Step 3
Carefully apply the last two markers on the toe of the club face at the top and bottom edges of the ball strike zone.
Applying Club Markers
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