A gathering of nerds...

occurs once a month on the Utah - Colorado state line, here framed by the Book Cliffs to the north. The so-called Warp Core chapter of the National Association of Rocketry organizes model rocket launches at this remote site where members fly low-, medium- and high-powered model rockets. It’s a ridiculous amount of fun and here are some of my launches from today.

The launch site in the Grand Valley west of Grand Junction, Colorado. NOTAMs are filed and we have a waiver to fly to 12,000 feet (4,000 meters). Coordinates: 39.27910365938015, -109.04074725724564

The scale model Doorknob sounding rocket moments after ignition.

Cherokee Pro roaring off the rail on a G40-7W engine to an apogee of 1,711 feet (522 meters).

The recently finished (but not yet painted/decaled) Bull Pup on its maiden flight skyward on a F20-4W engine.

A dead calm morning...

absolutely demands a rocket launch. Willing to comply, Nike X achieved a 576 foot (176 meter) apogee on a “C” engine on a 48 second-long flight.

Nike X and me. The Aerotech wireless launch controller seen attached to the tripod works fantastically well, allowing a greater standoff from the pad, using Bluetooth and your smartyphone.

An interesting groundwater seep...

at the stratigraphic contact between the Cutler and Moenkopi Formations below Adobe Mesa bears some further examination, but it’s a difficult scramble to its location on steep and unstable slopes. Light-colored mineral deposits, likely either calcium carbonate (calcite) or calcium sulfate (gypsum), occur at the margins of the seep.

Peering into the abyss...

of Sevenmile Canyon north of Moab on a spectacular mid-winter day.

An immense pour-off defines the upstream end of Sevenmile Canyon, west of Arches National Park.

The Slick Rock Member of the Entrada Sandstone comprises the vertical walls of Sevenmile Canyon, capped by the Moab Member of the Curtis Formation (Middle Jurassic (174.1-163.5 Ma)). The Windows Section in Arches National Park on the horizon is eight miles (~13 km) distant.