Precision Session

Launcher accuracy log. Pick the fireball, enter the launcher settings, load the 50 screenshots (5 shots per sector, sectors 1 → 10), check them and save the session.

1 · Session setup

Fireball Required. Choose before loading images.

Date Operator PSI * Speed km/h *

Cyl. distance mm * R1 setting * R2 setting *

Notes (fields marked * are required)

Firing order (fixed): all 10 sectors, 5 shots each

2 · Check

0 / 50 shots

Shot numbers Sector grid

Sector results

Load screenshots to see how each sector did.

–

sectors 5 / 5

–

hit rate

–

avg miss cm

–

spread cm

hit 2 miss (number = sector it landed in) no ball found. Click a ball to open that shot. Spread = how tightly the 5 shots cluster.

Shot list

#	File	Target	Sector	x cm	y cm	Miss cm	Check

No screenshots loaded yet.

3 · Save

Nothing to save yet.

Grid calibration Locked

Every saved session stores the grid it was measured with. Keep the grid locked so sessions stay comparable; unlock only when the camera or goal has moved.

Columns Rows Numbering Goal width cm Goal height cm Min. ball height cm Brightness threshold Borderline within cm

Drag goal corners on the image

Trend

Metric

Sessions

Tick two sessions to compare them side by side.

	Date	Fireball	PSI	Speed	Cyl. mm	R1	R2	Shots	5 / 5	Hit rate	Avg miss	Spread	Operator

No saved sessions yet. Saved sessions appear here for everyone who uses this page.

Edit session

Fireball

Date Operator PSI * Speed km/h *

Cyl. distance mm * R1 setting * R2 setting *

Notes

Shots

Shot numbers Adjust grid (drag corners)

–

sectors 5 / 5

–

hit rate

–

avg miss cm

–

spread cm

Shot list

Change targets, mark a shot as no ball or delete a shot uploaded twice.

#	File	Target	Sector	Miss cm	Check

Precision Session

1 · Session setup

2 · Check

Sector results

Shot

Shot list

3 · Save

Trend

Sessions

Compare

Edit session

Shots

Shot

Shot list