André Rennes

1 Executive summary

2 Ball flight — range screen

Metric	André (Oct 14)	6-Iron #1 (Oct 6)	LPGA Tour avg	PGA Tour avg
Ball speed	★ 107 mph	103 mph	109 mph	127 mph
Carry	★ 146 yds	140 yds	152 yds	183 yds
Flat carry	144 yds	—	—	—
Total	★ 150 yds	149 yds	—	—
Launch angle	20°	23°	17.1°	14.1°
Apex	81 ft (27 yds)	87 ft (29 yds)	25 yds	30 yds
Landing angle	44°	46°	46°	50°
Curve	17 ft	11 ft	—	—
Hang time	5.6 s	5.7 s	—	—
Proximity	99 ft	53 ft	—	—

The small arrow next to the curve value looks like it points right, but the panel is blurry at this size. The label on the 81 ft tile is partly hidden by a shadow, so it is read as apex from its position. Club speed isn't on the screen: at a typical iron smash of ~1.38–1.40, 107 mph of ball speed means about 76–78 mph of club speed, right around the LPGA average (78 mph). The ball could not be followed on video: at 30 frames per second it is gone between two frames after impact, so the start direction is not measured (slow-mo would fix that).

What it means: the shape of the flight is now close to the tour window. Launch is 3° above the LPGA average but 3° lower than in report #1, and the apex (27 yds) and landing angle (44°) are right where an iron should be. The missing carry is about speed: ball speed is 2 mph under the LPGA average and club speed is about equal to it. Carry is 6 yds short of the LPGA average, so the next gains come from speed and a steadier strike.

3 Timing & tempo — measured from the video

30 frames per second, so each time is accurate to about ±0.03 s. The backswing starts at about 8.30 s (frame 99), the top is at 8.90 s (frame 117), and impact is at 9.13 s (frame 124).

Tour figure: John Novosel, Tour Tempo. One frame either way moves the ratio between ~2.4:1 and ~3.0:1. The exact start of the takeaway is approximate (frames 101 and 103 bracket the first clubhead motion).

What it means: 2.6:1 sits inside the good band (2.5–3:1) and is the closest to Tour Tempo in his 6-iron reports. The gain comes from a longer backswing (0.60 s against 0.45–0.53 s before), while the downswing stays quick at 0.23 s. A quick 0.23 s downswing with a calm 0.60 s backswing is a good pairing to keep.

4 The reference frame — how this swing was measured

• Grid: each square is about 5 inches (~51 px at 10.23 px per inch). It is scaled from his body size in the frame, because his height was not given, so treat distances as ±1 inch.
• Vertical center line runs through the center of his stance (the feet) and shows sway and balance. The horizontal line through the ball line is the fixed reference for how far the body sits from the ball.
• Corner-to-corner diagonals cross at the frame's center and give a fixed perspective scaffold for depth.
• Depth rays (yellow, dashed) are the stick and mat lines extended to the horizon. Anything that moves along them is moving toward the target (into the picture), not sideways. The short stick at the toes is not used for this.
• Address references: the white cap line marks head height and the dashed waist line marks waist height at address, so head and waist changes are measured from them. The red trail is the head path and the yellow trail is the hands' path, frame by frame.
• Tracking: body points were tracked automatically on 210 frames (5.0–12.0 s), then checked by eye at each key position. The camera stayed still: the background moved less than 1 px (median 0.2 px). Shoulder and hip turn are visual estimates, about ±10–15°.

5 Swing sequence

Nine key positions, filmed down-the-line from behind the hands, slightly off to the right of the target line. The target is straight into the picture. All nine frames were checked by hand tracking.

Photos are numbered in the order they happen in the swing. The frames follow the standard swing positions.

6 Position-by-position biomechanics

Club check

In the sole shots at 16.0, 16.5, 17.0 and 18.0 s the same glyph shows each time: an upright 6 with a small bar under it on the toe side. Logged as the 6-Iron (high confidence). Sanity check: 146 yds of carry at 107 mph matches his 6-iron range (earlier best 140; 7-iron 144). The clip has no usable audio.

Photo 1 — Address Good

• Feet set along the stick lines at the toes, club soled behind the ball, knees flexed, arms hanging naturally.
• The white cap line and the dashed waist line are set here: every later head and waist number is measured from these two address marks.

Photo 2 — Takeaway Head sinks early

• Hands, arms and club leave together; hands are ~9.7 in from their address spot.
• The head is already ~4.6 in lower and ~2.6 in toward the ball. The dip starts here, before the arms even reach parallel.
• Hips slide ~1.8 in away from the ball and rise ~1.2 in.

Photo 3 — Lead arm parallel Head still low

• Wide arc: hands ~23 in from address, club on a good plane.
• Head is still ~4.6 in lower and ~3.0 in toward the ball. Hips stay ~1.9 in back, so the base doesn't sway.

Photo 4 — Top Good coil

• Shoulders turned about 85° and hips about 40°, so the X-factor is about 45° (visual estimate, ±10–15°).
• The head comes back up here: only ~2.2 in lower than address, ~2.8 in toward the ball. Its best moment of the swing.
• Hips ~1.7 in away from the ball and only ~0.6 in up: they turn, they don't slide in.

Photo 5 — Arm parallel (down) Good

• Lower body starts the downswing: hips move only ~0.7 in toward the ball from the top (still ~1.0 in back of address).
• Waist height is back to within ~0.1 in of address, so there is no stand-up. The head sinks again to ~4.1 in lower.

Photo 6 — Delivery Solid

• Hands are already within ~4.5 in of their address spot, arms in front of the chest.
• Hips ~0.9 in back and ~0.6 in up. The head is ~5.0 in lower and ~1.9 in toward the ball.

Photo 7 — Impact Watch the head

• Hands return to their address spot (within ~0.6 in).
• Head is ~5.9 in lower than at address. Same pattern as report #2 (~5 in), a bit deeper. It is only ~1.5 in toward the ball, which is fine.
• Hips stay back (~0.9 in away from the ball, no early extension). Waist rises ~1.0 in. Hips are about 35° open and shoulders about 15° open, so the hips lead the turn.

Photo 8 — Release Good release

• Both arms extend and the chest keeps turning. Hands are ~7.9 in from their address spot.
• Head is at its lowest, ~6.8 in under address, and only ~1.1 in toward the ball: it stays quiet through the strike.

Photo 9 — Finish Excellent

• Tall and balanced on the lead leg, trail foot up on its toe, held as in every report.
• Head is now ~4.4 in higher than at address and the hips have moved ~3.7 in toward the ball side as the weight moves to the lead leg.

Overlay — head at address, top and impact

Depth note: from behind, the head's 1.5–3 in shift toward the ball sits partly along the depth rays, so it mixes moving toward the ball and toward the target, and one camera can't split the two. The waist rises only ~1 in while the head sinks ~6 in, so the sink most likely comes from the chest and spine tipping lower rather than from the legs. A face-on clip of the next swing will confirm it (see the last section).

7 Where the 6-iron sits in the bag

Heads-up: the 6-iron carried only 2 yards more than the 7-iron from the same session (146 vs 144), with 3 mph more ball speed (107 vs 104) and a 2° lower launch. The total gap is 3 yards (150 vs 147). Against the 5-iron the gap is 13 yards of carry (159 vs 146). A clear carry step between neighbouring clubs is the goal, so hitting 5 balls each of the 6 and 7 will show whether this is the normal gap or a one-swing result.

8 Diagnosis

9 Next steps — keep it simple

10 Limitations & next capture

• One swing is a snapshot. The range screen is assumed to belong to this swing, as it is shown at the end of the clip (22.5 s).
• The ball could not be tracked on video: at 30 frames per second it is gone between two frames after impact, so the start direction is not measured and the curve direction is read from a small, blurry arrow.
• Spin and club speed aren't on the screen, so club speed is estimated from ball speed (smash ~1.38–1.40).
• Distances come from a grid scaled to his body in the frame, since his height was not given. Shoulder and hip turn are visual estimates (±10–15°).
• From behind, depth (toward the target) mixes with sideways motion. The start of the takeaway is also approximate (frame 102 is not in the images).

Next capture: Next capture, to sharpen the reference frame: (1) the same down-the-line spot, filmed in slow motion (120 or 240 fps) so the ball can be followed and its start direction measured, (2) a face-on clip at chest height to split depth from sideways motion, (3) 3–5 balls for an average, with 5 balls of 7-iron to check the gap, and (4) André's height, to lock the grid scale.