Half Cocked under sail, with his full mast and white sails above the water.
Half Cocked — Catalac 9M
Dan and Sandra aboard Half Cocked

CATALAC 9M · LIVE BOAT LOG

Welcome
aboard.

Follow Dan and Sandra’s adventures aboard Half Cocked—wherever the next anchorage, crossing, or good story may be.

Position and environmental readings below.

Read the ship’s journal

THE SHIP’S JOURNAL

The stories behind the position.

Daily notes, photos, short videos, hard-won lessons, and the moments that make a passage memorable.

Visit the journal

LOCATION

Where are we?

Position unavailable

Latitude
—Waiting for data
Longitude
—Waiting for data
Course over ground
—Waiting for data

Unavailable

Position last updated: —

HALF COCKED · UNDER WAY

Sailing Dashboard

WAITING FOR DATAConnecting to instruments

STAGING PREVIEW · 000° SIMULATED HEADING · True wind unavailable

COURSE & APPARENT WIND

HEADING · TRUE REFERENCE000° SIMULATEDDisplay only · not a sensor reading
COG · TRUE—Waiting for data
APPARENT WIND ANGLE—Relative to bow

Temporary demo: boat and ±55° zone face north. Real AWA is relative to this simulated bow, not a measured north-referenced wind direction.

TRUE WIND

— kn

True wind unavailable

APPARENT WIND SPEED

—Waiting for data

SPEED OVER GROUND

—Waiting for data

PITCH

STERNBOW—Waiting for trusted sensorIllustration amplified 3× · capped at ±8°

HEEL

PORTSTARBOARD—Waiting for trusted sensorIllustration amplified 3× · capped at ±8°

ON BOARD

Comfort and weather.

Unavailable

Cabin Temperature
—Waiting for sensor data
Relative Humidity
—Waiting for sensor data
Barometric Pressure
—Waiting for sensor data Collecting trend data…

Past 24 hours · inHg

Collecting pressure history…

Last updated: —

Half Cocked data unavailable.

HALF COCKED · ONBOARD ENERGY

Electrical System

Unavailable

Battery status unavailable

Solar Panels Generating

—UnavailableWaiting for solar data

Power from Controller

—UnavailableWaiting for solar data

Battery Receiving

—UnavailableWaiting for battery data

Battery Charged

—
Waiting for battery data

Battery Supplying

—UnavailableWaiting for battery data

Boat Using

UnavailableUnavailableEstimated · waiting for synchronized data
TV
Fan
Lights
Illustrative loads

Last updated: —

Battery details & runtime estimate

House battery

Voltage
—Waiting for battery data
Current
—Waiting for battery data
Power
—Waiting for battery data

Solar charging

Charging current
—Waiting for solar data
Charging stage
—Waiting for solar data

Estimated time to 50% SOC

—

Available after sustained, steady discharge

Live measurements · detailed readings use 60-second averages. Battery flow and estimated boat use use synchronized latest readings. Estimated boat use = controller output − net battery power; amps use measured House voltage. Assumes solar is the only charging source. Individual loads are illustrative.

ABOUT HALF COCKED

A Catalac 9M catamaran built for a life underway.

This site is Dan and Sandra’s public logbook: a window into Half Cocked, his travels, and the conditions aboard.